CN209313436U - A kind of intelligent wide cut capacity and pressure regulating distribution system - Google Patents
A kind of intelligent wide cut capacity and pressure regulating distribution system Download PDFInfo
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- CN209313436U CN209313436U CN201720081259.2U CN201720081259U CN209313436U CN 209313436 U CN209313436 U CN 209313436U CN 201720081259 U CN201720081259 U CN 201720081259U CN 209313436 U CN209313436 U CN 209313436U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model provides a kind of intelligent wide cut capacity and pressure regulating distribution system, comprising: potential device, switch block are connect with switch block, for acquiring power distribution system data information and the component open-closed intelligent acquisition controlling terminal of control switch；Potential device includes: transformer, for adjusting the pressure regulation unit of step down side output voltage range and adjusting the capacity transfer unit of transformer rated capacity.System is to integrate to have to carry wide cut capacity transfer, pressure regulation, power quality, the distribution system of metering, remote control, telemetering, it is suitble to 10KV line load to change big, the big electricity of voltage fluctuation, the big distribution transformer of line drop is selected, the range of regulation of distribution transformer is ± 20%, pondage is 1/3,2/3 two grade of large capacity, guarantee user side voltage stabilization and qualification, it realizes intelligent, the problem of linear solution power factor in time, three-phase imbalance, higher hamonic wave, grid power quality is purified, line loss is reduced.
Description
Technical field
The utility model relates to field of power distribution more particularly to a kind of intelligent wide cut capacity and pressure regulating distribution systems.
Background technique
The superiority and inferiority of power quality depends on voltage deviation, voltage jumps, powers off, voltage transient, overvoltage, under-voltage, electricity
Crush-cutting trace, static voltage fluctuation etc..It is influenced by above each factor, that there are power qualities is poor for high-low pressure transmission and distribution networks at present
The problem of, especially user terminal low-voltage distribution system is changed by load equipment type in power supply quality, system and operating status
It influences, reduces the power quality in low-voltage distribution seriously, cause every parameters of electric power in user terminal low-voltage distribution system serious
The problem of deviation, electropollution such as power factor, three-phase imbalance, higher hamonic wave, cause power distribution system quality of electric power poor, route
Loss is high.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the purpose of the utility model is to provide a kind of intelligent wide cuts
Capacity and pressure regulating distribution system, comprising: potential device, the switch block connecting with potential device outlet side are connect with switch block,
For acquiring power distribution system data information and the component open-closed intelligent acquisition controlling terminal of control switch；
Potential device includes: transformer, for adjusting the pressure regulation unit and tune of step down side output voltage range
Save the capacity transfer unit of transformer rated capacity.
Preferably, capacity transfer unit include: the silicon-controlled KA1 of bidirectionally conductive that high voltage side of transformer A phase winding coil is set,
It is the silicon-controlled KA2 of bidirectionally conductive, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, the silicon-controlled KA5 of bidirectionally conductive, two-way
The silicon-controlled KA7 of silicon-controlled KA6, bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, the first A phase resistance, the 2nd A phase resistance is connected；
Be arranged in the silicon-controlled Ka9 of bidirectionally conductive of step down side a phase winding coil, the silicon-controlled Ka10 of bidirectionally conductive,
The silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, the silicon-controlled Ka14 of bidirectionally conductive,
The silicon-controlled Ka15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Ka16, the first a phase resistance Ra1, the 2nd a phase resistance Ra2；
A phase winding coil includes: the first A phase winding coil segment, the 2nd A phase winding coil segment, the 3rd A phase winding coil
Section；
First A phase winding coil segment is equipped with the first A phase winding tap, and the 2nd A phase winding coil segment is equipped with the 2nd A phase
Tapping；
A phase winding coil includes: the first a phase winding coil segment, the 2nd a phase winding coil segment, the 3rd a phase winding coil
Section；2nd a phase winding coil segment is equipped with the first a phase winding tap, and the 3rd a phase winding coil segment is equipped with the 2nd a phase winding
Tap；
First A phase winding coil segment first end is connect with high voltage side of transformer A phase input terminal, the first A phase winding coil segment
Second end is silicon-controlled with the silicon-controlled KA2 first end of bidirectionally conductive, the silicon-controlled KA3 first end of bidirectionally conductive and bidirectionally conductive respectively
The connection of KA4 first end；The second end of the silicon-controlled KA4 of bidirectionally conductive is connect with the first A phase resistance first end, and bidirectionally conductive is silicon-controlled
KA1 first end is connect with the first A phase winding tap, the silicon-controlled KA1 second end of bidirectionally conductive, the silicon-controlled KA3 second of bidirectionally conductive
End, the first A phase resistance second end are connect with the 2nd A phase winding coil segment first end respectively, the silicon-controlled KA2 second end of bidirectionally conductive
It is connect respectively with the 2nd A phase winding tap and the silicon-controlled KA6 first end of bidirectionally conductive；
2nd A phase winding coil segment second end is silicon-controlled with the silicon-controlled KA7 first end of bidirectionally conductive, bidirectionally conductive respectively
KA8 first end and the silicon-controlled KA5 first end connection of bidirectionally conductive；The second end of the silicon-controlled KA5 of bidirectionally conductive and the 2nd A phase electricity
First end connection is hindered, the silicon-controlled KA6 first end of bidirectionally conductive connect with the 2nd A phase winding tap, the silicon-controlled KA6 of bidirectionally conductive the
Two ends, the silicon-controlled KA8 second end of bidirectionally conductive, the 2nd A phase resistance second end connect with the 3rd A phase winding coil segment first end respectively
It connects；3rd A phase winding coil segment second end and the silicon-controlled KA7 second end of bidirectionally conductive are inputted with high voltage side of transformer B phase respectively
End connection；
First a phase winding coil segment first end and the silicon-controlled Ka15 first end of bidirectionally conductive are respectively and in step down side
Property line connection；For first a phase winding coil segment second end respectively with the silicon-controlled Ka14 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
Ka16 first end, the connection of the first a phase resistance first end, the first a phase resistance second end and the silicon-controlled Ka13 first end of bidirectionally conductive
Connection, the silicon-controlled Ka13 second end of bidirectionally conductive, the silicon-controlled Ka16 second end of bidirectionally conductive, the silicon-controlled Ka15 second of bidirectionally conductive
End connect respectively with the 2nd a phase winding coil segment first end, the silicon-controlled Ka14 second end of bidirectionally conductive respectively with the first a phase winding
Tap is connected with the silicon-controlled Ka10 first end of bidirectionally conductive；
For 2nd a phase winding coil segment second end respectively with the silicon-controlled Ka9 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
Ka11 first end, the connection of the 2nd a phase resistance first end, the 2nd a phase resistance second end and the silicon-controlled Ka12 first end of bidirectionally conductive
Connection, the silicon-controlled Ka9 second end of bidirectionally conductive are connect with the 2nd a phase winding tap, and the silicon-controlled Ka10 second end of bidirectionally conductive is double
To being connected silicon-controlled Ka11 second end, the silicon-controlled Ka12 second end of bidirectionally conductive respectively with the 3rd a phase winding coil segment first end
Connection, the 3rd a phase winding coil segment second end are connect with step down side a phase output terminal.
Preferably, capacity transfer unit further include: the bidirectionally conductive that high voltage side of transformer B phase winding coil is arranged in is silicon-controlled
The silicon-controlled KB2 of KB1, bidirectionally conductive, the silicon-controlled KB3 of bidirectionally conductive, the silicon-controlled KB4 of bidirectionally conductive, the silicon-controlled KB5 of bidirectionally conductive,
The silicon-controlled KB6 of bidirectionally conductive, the silicon-controlled KB7 of bidirectionally conductive, the silicon-controlled KB8 of bidirectionally conductive, the first B phase resistance, the 2nd B phase electricity
Resistance；
Be arranged in the silicon-controlled Kb9 of bidirectionally conductive of step down side b phase winding coil, the silicon-controlled Kb10 of bidirectionally conductive,
The silicon-controlled Kb11 of bidirectionally conductive, the silicon-controlled Kb12 of bidirectionally conductive, the silicon-controlled Kb13 of bidirectionally conductive, the silicon-controlled Kb14 of bidirectionally conductive,
The silicon-controlled Kb15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Kb16, the first b phase resistance Rb1, the 2nd b phase resistance Rb2；
B phase winding coil includes: the first B phase winding coil segment, the 2nd B phase winding coil segment, the 3rd B phase winding coil
Section；
First B phase winding coil segment is equipped with the first B phase winding tap, and the 2nd B phase winding coil segment is equipped with the 2nd B phase
Tapping；
B phase winding coil includes: the first b phase winding coil segment, the 2nd b phase winding coil segment, the 3rd b phase winding coil
Section；2nd b phase winding coil segment is equipped with the first b phase winding tap, and the 3rd b phase winding coil segment is equipped with the 2nd b phase winding
Tap.
Preferably, capacity transfer unit further include: the bidirectionally conductive that high voltage side of transformer C phase winding coil is arranged in is silicon-controlled
The silicon-controlled KC2 of KC1, bidirectionally conductive, the silicon-controlled KC3 of bidirectionally conductive, the silicon-controlled KC4 of bidirectionally conductive, the silicon-controlled KC5 of bidirectionally conductive,
The silicon-controlled KC6 of bidirectionally conductive, the silicon-controlled KC7 of bidirectionally conductive, the silicon-controlled KC8 of bidirectionally conductive, the first C phase resistance, the 2nd C phase electricity
Resistance；
Be arranged in the silicon-controlled Kc9 of bidirectionally conductive of step down side c phase winding coil, the silicon-controlled Kc10 of bidirectionally conductive,
The silicon-controlled Kc11 of bidirectionally conductive, the silicon-controlled Kc12 of bidirectionally conductive, the silicon-controlled Kc13 of bidirectionally conductive, the silicon-controlled Kc14 of bidirectionally conductive,
The silicon-controlled Kc15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Kc16, the first c phase resistance Rc1, the 2nd c phase resistance Rc2；
C phase winding coil includes: the first C phase winding coil segment, the 2nd C phase winding coil segment, the 3rd C phase winding coil
Section；
First C phase winding coil segment is equipped with the first C phase winding tap, and the 2nd C phase winding coil segment is equipped with the 2nd C phase
Tapping；
C phase winding coil includes: the first c phase winding coil segment, the 2nd c phase winding coil segment, the 3rd c phase winding coil
Section；2nd c phase winding coil segment is equipped with the first c phase winding tap, and the 3rd c phase winding coil segment is equipped with the 2nd c phase winding
Tap.
Preferably, pressure regulation unit includes: contactor KM1, contactor KM2, be separately positioned on step down side three-phase around
Voltage compensation potential device in group；
Voltage compensation potential device includes: compensator transformer；The silicon-controlled K13 of bidirectionally conductive, the silicon-controlled K14 of bidirectionally conductive,
The silicon-controlled K15 of bidirectionally conductive, the silicon-controlled K16 of bidirectionally conductive；
Compensator transformer primary side be the single-phase winding of step down side, compensator transformer secondary side first end respectively with it is double
To silicon-controlled K13 first end, the silicon-controlled K14 first end connection of bidirectionally conductive is connected, compensator transformer secondary side second end is distinguished
With the silicon-controlled K15 first end of bidirectionally conductive, the silicon-controlled K16 first end connection of bidirectionally conductive, contactor KM1 normally opened contact first end
It is connect with contactor KM2 normally opened contact first end, contactor KM2 normally opened contact second end and the single-phase winding of step down side connect
Connect, contactor KM1 normally opened contact second end respectively with the silicon-controlled K14 second end of bidirectionally conductive, the silicon-controlled K16 second of bidirectionally conductive
End connection, the silicon-controlled K13 second end of bidirectionally conductive and the silicon-controlled K15 second end of bidirectionally conductive are connect with the neutral conductor respectively.
Preferably, multiple voltage compensation potential devices, voltage compensation transformation are equipped on step down side three-phase windings
It adopts and is connected serially between device and voltage compensation potential device.
Preferably, step down side route is equipped with metering units, and metering units include: current transformer, and voltage is mutual
Sensor, power-factor measurement instrument；
The power distribution system data information of intelligent acquisition controlling terminal acquisition includes electric current, voltage, power factor, three-phase injustice
Weighing apparatus rate, capacity, no-load loss, load loss, switch state parameter, system failure information, intelligent acquisition controlling terminal are also used to
With master control room data communication；
Switch block uses permanent magnetic vacuum switch, and switch block is held according to the control instruction that intelligent acquisition controlling terminal issues
Row on-off action.
Preferably, power quality unit is additionally provided on step down side route, power quality unit is arranged in switching group
Between the output end and user terminal of part；Power quality unit uses distribution network power quality comprehensive compensator, and distribution network electric energy quality is comprehensive
Closing compensator includes: reactive-load compensator, active filter, zero curve current divider.
Preferably, further includes: PLC control subsystem；
PLC control subsystem is used to control the silicon-controlled KA1 of bidirectionally conductive, bidirectionally conductive according to the operating parameter of systemic presupposition
Silicon-controlled KA2, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, the silicon-controlled KA5 of bidirectionally conductive, bidirectionally conductive are controllable
Silicon KA6, the silicon-controlled KA7 of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, the silicon-controlled Ka9 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
Ka10, the silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
Ka14, the silicon-controlled Ka15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Ka16, contactor KM1, contactor KM2, bidirectionally conductive are silicon-controlled
K13, the silicon-controlled K14 of bidirectionally conductive, the silicon-controlled K15 of bidirectionally conductive, the on-off of the silicon-controlled K16 of bidirectionally conductive.
Preferably, pressure regulation unit includes two voltage compensation potential devices；
It includes: the second compensator transformer that second voltage, which compensates potential device, and the silicon-controlled K17 of bidirectionally conductive, bidirectionally conductive can
Control silicon K18, the silicon-controlled K19 of bidirectionally conductive, the silicon-controlled K20 of bidirectionally conductive；
Compensator transformer first side winding is respectively that step down side is single-phase with the second compensator transformer first side winding
Winding, compensator transformer first side winding and the second compensator transformer first side winding are connected in series；
Compensator transformer secondary side first end respectively with the silicon-controlled K13 first end of bidirectionally conductive, the silicon-controlled K14 of bidirectionally conductive
First end connection, for compensator transformer secondary side second end respectively with the silicon-controlled K15 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
The connection of K16 first end, contactor KM1 normally opened contact first end are connect with contactor KM2 normally opened contact first end, contactor KM2
Normally opened contact second end is connect with the single-phase winding of step down side, and contactor KM1 normally opened contact second end is led with two-way respectively
Lead to silicon-controlled K14 second end, the silicon-controlled K16 second end of bidirectionally conductive, the silicon-controlled K18 second end of bidirectionally conductive, bidirectionally conductive can
Control the connection of silicon K20 second end；
Second compensator transformer secondary side first end is controllable with the silicon-controlled K17 first end of bidirectionally conductive and bidirectionally conductive respectively
The connection of silicon K18 first end, the second compensator transformer secondary side second end respectively with the silicon-controlled K19 first end of bidirectionally conductive and two-way
Silicon-controlled K20 first end connection is connected；
The silicon-controlled K13 second end of bidirectionally conductive, the silicon-controlled K15 second end of bidirectionally conductive, the silicon-controlled K17 second of bidirectionally conductive
End, the silicon-controlled K19 second end of bidirectionally conductive are connect with the neutral conductor respectively.
As can be seen from the above technical solutions, the utility model has the advantage that
Intelligent wide cut capacity and pressure regulating distribution system includes: transformer, pressure regulation unit, capacity transfer unit, switch block, intelligence
Control terminal for data acquisition；Potential device.System is to integrate to have to carry wide cut capacity transfer, pressure regulation, power quality, metering, remote control, telemetering
Distribution system, be suitble to 10KV line load to change big, the big electricity of voltage fluctuation, the big distribution transformer of line drop is selected, matched
The range of regulation of piezoelectric transformer is ± 20%, and pondage is 1/3,2/3 two grade of large capacity, guarantee user side voltage stabilization and
The problem of qualification realizes intelligence, in time linear solution power factor, three-phase imbalance, higher hamonic wave, purifies power grid electric energy matter
Amount reduces line loss.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below
Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is intelligent wide cut capacity and pressure regulating distribution system overall schematic；
Fig. 2 is capacity transfer element circuit figure；
Fig. 3 is pressure regulation element circuit figure.
Specific embodiment
It, below will fortune to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
With specific examples and drawings, the technical solution of the utility model protection is clearly and completely described, it is clear that below
The described embodiments are only a part of the embodiments of the utility model, and not all embodiment.Based on the reality in this patent
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of this patent protection.
The present embodiment provides a kind of intelligent wide cut capacity and pressure regulating distribution systems, as depicted in figs. 1 and 2, comprising: transformation dress
1 is set, the switch block 2 connecting with 1 outlet side of potential device is connect, for acquiring power distribution system data information with switch block 2
And the intelligent acquisition controlling terminal 3 of 2 on-off of control switch component；Potential device 1 includes: transformer 6, for adjusting transformer
The pressure regulation unit 7 of 6 low-pressure side output voltage ranges and the capacity transfer unit 8 for adjusting 6 rated capacity of transformer.
In the present embodiment, capacity transfer unit 8 include: be arranged in high voltage side of transformer A phase winding coil bidirectionally conductive it is controllable
The silicon-controlled KA2 of silicon KA1, bidirectionally conductive, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
The silicon-controlled KA6 of KA5, bidirectionally conductive, the silicon-controlled KA7 of bidirectionally conductive, bidirectionally conductive silicon-controlled KA8, the first A phase resistance RA1, second
A phase resistance RA2；
Be arranged in the silicon-controlled Ka9 of bidirectionally conductive of step down side a phase winding coil, the silicon-controlled Ka10 of bidirectionally conductive,
The silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, the silicon-controlled Ka14 of bidirectionally conductive,
The silicon-controlled Ka15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Ka16, the first a phase resistance Ra1, the 2nd a phase resistance Ra2；
A phase winding coil includes: the first A phase winding coil segment, the 2nd A phase winding coil segment, the 3rd A phase winding coil
Section；
First A phase winding coil segment is equipped with the first A phase winding tap, and the 2nd A phase winding coil segment is equipped with the 2nd A phase
Tapping；
A phase winding coil includes: the first a phase winding coil segment, the 2nd a phase winding coil segment, the 3rd a phase winding coil
Section；2nd a phase winding coil segment is equipped with the first a phase winding tap, and the 3rd a phase winding coil segment is equipped with the 2nd a phase winding
Tap；
First A phase winding coil segment first end is connect with high voltage side of transformer A phase input terminal, the first A phase winding coil segment
Second end is silicon-controlled with the silicon-controlled KA2 first end of bidirectionally conductive, the silicon-controlled KA3 first end of bidirectionally conductive and bidirectionally conductive respectively
The connection of KA4 first end；The second end of the silicon-controlled KA4 of bidirectionally conductive is connect with the first A phase resistance first end, and bidirectionally conductive is silicon-controlled
KA1 first end is connect with the first A phase winding tap, the silicon-controlled KA1 second end of bidirectionally conductive, the silicon-controlled KA3 second of bidirectionally conductive
End, the first A phase resistance second end are connect with the 2nd A phase winding coil segment first end respectively, the silicon-controlled KA2 second end of bidirectionally conductive
It is connect respectively with the 2nd A phase winding tap and the silicon-controlled KA6 first end of bidirectionally conductive；
2nd A phase winding coil segment second end is silicon-controlled with the silicon-controlled KA7 first end of bidirectionally conductive, bidirectionally conductive respectively
KA8 first end and the silicon-controlled KA5 first end connection of bidirectionally conductive；The second end of the silicon-controlled KA5 of bidirectionally conductive and the 2nd A phase electricity
First end connection is hindered, the silicon-controlled KA6 first end of bidirectionally conductive connect with the 2nd A phase winding tap, the silicon-controlled KA6 of bidirectionally conductive the
Two ends, the silicon-controlled KA8 second end of bidirectionally conductive, the 2nd A phase resistance second end connect with the 3rd A phase winding coil segment first end respectively
It connects；3rd A phase winding coil segment second end and the silicon-controlled KA7 second end of bidirectionally conductive are inputted with high voltage side of transformer B phase respectively
End connection；
First a phase winding coil segment first end and the silicon-controlled Ka15 first end of bidirectionally conductive are respectively and in step down side
Property line connection；For first a phase winding coil segment second end respectively with the silicon-controlled Ka14 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
Ka16 first end, the connection of the first a phase resistance Ra1 first end, the first a phase resistance second end and the silicon-controlled Ka13 first of bidirectionally conductive
End connection, the silicon-controlled Ka13 second end of bidirectionally conductive, the silicon-controlled Ka16 second end of bidirectionally conductive, the silicon-controlled Ka15 of bidirectionally conductive the
Two ends are connect with the 2nd a phase winding coil segment first end respectively, the silicon-controlled Ka14 second end of bidirectionally conductive respectively with the first a phase around
Group tap is connected with the silicon-controlled Ka10 first end of bidirectionally conductive；
For 2nd a phase winding coil segment second end respectively with the silicon-controlled Ka9 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
Ka11 first end, the connection of the 2nd a phase resistance Ra2 first end, the 2nd a phase resistance Ra2 second end and the silicon-controlled Ka12 of bidirectionally conductive
First end connection, the silicon-controlled Ka9 second end of bidirectionally conductive connect with the 2nd a phase winding tap, the silicon-controlled Ka10 of bidirectionally conductive the
Two ends, the silicon-controlled Ka11 second end of bidirectionally conductive, the silicon-controlled Ka12 second end of bidirectionally conductive respectively with the 3rd a phase winding coil segment
First end connection, the 3rd a phase winding coil segment second end are connect with step down side a phase output terminal.
The silicon-controlled KA1 of bidirectionally conductive, the silicon-controlled KA2 of bidirectionally conductive, the silicon-controlled KA3 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
The silicon-controlled KA5 of KA4, bidirectionally conductive, the silicon-controlled KA6 of bidirectionally conductive, the silicon-controlled KA7 of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive,
It is the silicon-controlled Ka9 of bidirectionally conductive, the silicon-controlled Ka10 of bidirectionally conductive, the silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, double
To silicon-controlled Ka13, the silicon-controlled Ka14 of bidirectionally conductive, the silicon-controlled Ka15 of bidirectionally conductive, the silicon-controlled Ka16 of bidirectionally conductive is connected,
It is silicon-controlled for the bidirectionally conductive for pressure-resistant 1600V.
Wherein, the silicon-controlled KA1 of bidirectionally conductive, the silicon-controlled KA2 of bidirectionally conductive, the silicon-controlled KA6 of bidirectionally conductive, bidirectionally conductive can
Silicon KA7, the silicon-controlled Ka9 of bidirectionally conductive, the silicon-controlled Ka10 of bidirectionally conductive are controlled, the silicon-controlled Ka14 of bidirectionally conductive, bidirectionally conductive is controllable
Silicon Ka15 conducting, other disconnections, coil turn is minimum at this time, every circle potential highest, and magnetic flux is maximum, and transformer is in maximum capacity
Operation.
When electric current is the 2/3 of rated current, the silicon-controlled KA1 of bidirectionally conductive, the silicon-controlled KA2 of bidirectionally conductive, bidirectionally conductive
Silicon-controlled KA8, the silicon-controlled Ka9 of bidirectionally conductive, the silicon-controlled Ka10 of bidirectionally conductive, the silicon-controlled Ka16 conducting of bidirectionally conductive, other are disconnected
It opens, coil turn increases at this time, and every circle potential reduces, and magnetic flux reduces, and transformer is run in rated capacity 2/3, reduces unloaded damage
Consumption.
When electric current is the 1/3 of rated current, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, bidirectionally conductive
Silicon-controlled Ka11, the silicon-controlled Ka16 conducting of bidirectionally conductive, other disconnections, coil turn is most at this time, and every circle potential is minimum, magnetic flux
Minimum, 1/3 operation of the transformer in rated capacity, no-load loss minimum.
In silicon-controlled operation conversion operation, silicon-controlled KA5, bidirectionally conductive silicon-controlled Ka15 or double is connected in guide's pass two-way
To silicon-controlled KA6, the silicon-controlled Ka14 of bidirectionally conductive is connected, the first A phase resistance, the 2nd A phase resistance, the first a phase resistance are connected
Ra1, the 2nd a phase resistance Ra2, after preset time, it is therefore preferable to after 20ms, connection need to be connected it is silicon-controlled, after 2ms, disconnect
What need to be disconnected is silicon-controlled, it is ensured that route does not have a power failure when coil switches.
The principle of the capacity transfer is that high-voltage coil and low-voltage coil is all made of the series-parallel mode of coil sections and realizes that coil turn variation comes
It adjusts magnetic flux density and realizes volume change.Than the method that usual high pressure realizes magnetic flux density change using star-angle conversion, it is adjusted
Capacity gear number is more, more energy efficient.Using the method, the silicon-controlled receiving pressure resistance of bidirectionally conductive on high-tension coil is 1000V, one
Bidirectionally conductive is silicon-controlled to be achieved that.And when using star-angle conversion capacity transfer, silicon-controlled receivings pressure resistance is 10KV, need 10 controllably
Silicon is used in series, it is desirable that 10 silicon-controlled to trigger simultaneously, and requires 10 silicon-controlled performances consistent, also to do pressure processing, no
But at high cost, poor reliability, it is also dangerous, once breakdown, can generate impact to power grid.
In the present embodiment, capacity transfer unit further include: the bidirectionally conductive that high voltage side of transformer B phase winding coil is arranged in is controllable
The silicon-controlled KB2 of silicon KB1, bidirectionally conductive, the silicon-controlled KB3 of bidirectionally conductive, the silicon-controlled KB4 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
The silicon-controlled KB6 of KB5, bidirectionally conductive, the silicon-controlled KB7 of bidirectionally conductive, bidirectionally conductive silicon-controlled KB8, the first B phase resistance RB1, second
B phase resistance RB2；
Be arranged in the silicon-controlled Kb9 of bidirectionally conductive of step down side b phase winding coil, the silicon-controlled Kb10 of bidirectionally conductive,
The silicon-controlled Kb11 of bidirectionally conductive, the silicon-controlled Kb12 of bidirectionally conductive, the silicon-controlled Kb13 of bidirectionally conductive, the silicon-controlled Kb14 of bidirectionally conductive,
The silicon-controlled Kb15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Kb16, the first b phase resistance Rb1, the 2nd b phase resistance Rb2；
B phase winding coil includes: the first B phase winding coil segment, the 2nd B phase winding coil segment, the 3rd B phase winding coil
Section；
First B phase winding coil segment is equipped with the first B phase winding tap, and the 2nd B phase winding coil segment is equipped with the 2nd B phase
Tapping；
B phase winding coil includes: the first b phase winding coil segment, the 2nd b phase winding coil segment, the 3rd b phase winding coil
Section；2nd b phase winding coil segment is equipped with the first b phase winding tap, and the 3rd b phase winding coil segment is equipped with the 2nd b phase winding
Tap.
Capacity transfer unit further include: the silicon-controlled KC1 of bidirectionally conductive, two-way of high voltage side of transformer C phase winding coil is set
The silicon-controlled KC3 of silicon-controlled KC2, bidirectionally conductive, the silicon-controlled KC4 of bidirectionally conductive, the silicon-controlled KC5 of bidirectionally conductive, bidirectionally conductive is connected
The silicon-controlled KC7 of silicon-controlled KC6, bidirectionally conductive, bidirectionally conductive silicon-controlled KC8, the first C phase resistance RC1, the 2nd C phase resistance RC2；
Be arranged in the silicon-controlled Kc9 of bidirectionally conductive of step down side c phase winding coil, the silicon-controlled Kc10 of bidirectionally conductive,
The silicon-controlled Kc11 of bidirectionally conductive, the silicon-controlled Kc12 of bidirectionally conductive, the silicon-controlled Kc13 of bidirectionally conductive, the silicon-controlled Kc14 of bidirectionally conductive,
The silicon-controlled Kc15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Kc16, the first c phase resistance Rc1, the 2nd c phase resistance Rc2；
C phase winding coil includes: the first C phase winding coil segment, the 2nd C phase winding coil segment, the 3rd C phase winding coil
Section；
First C phase winding coil segment is equipped with the first C phase winding tap, and the 2nd C phase winding coil segment is equipped with the 2nd C phase
Tapping；
C phase winding coil includes: the first c phase winding coil segment, the 2nd c phase winding coil segment, the 3rd c phase winding coil
Section；2nd c phase winding coil segment is equipped with the first c phase winding tap, and the 3rd c phase winding coil segment is equipped with the 2nd c phase winding
Tap.
Capacity transfer unit is in B phase winding, b phase winding, C phase winding, the capacity transfer element connection type and capacity transfer mode of c phase winding
With A phase winding, a phase winding it is identical, no longer repeat here.When large capacity electric current is reduced to the 2/3 of rated current, transformer holds
Amount is reduced to the 2/3 of large capacity automatically.When system power is down to the 1/3 of rated current, transformer capacity is down to large capacity automatically
1/3.Otherwise automatic adjustment capacity is specified large capacity.High and low pressure side due to there is every phase has resistance, and when adjustment, system is continuous
Electricity.
In the present embodiment, pressure regulation unit 7 includes: the voltage compensation being separately positioned on 6 low-pressure side three-phase windings of transformer
Potential device 11, contactor KM1, contactor KM2；
Voltage compensation potential device 11 includes: compensator transformer；The silicon-controlled K13 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
K14, the silicon-controlled K15 of bidirectionally conductive, the silicon-controlled K16 of bidirectionally conductive；
Compensator transformer primary side 13 is the single-phase winding of step down side, 14 first end of compensator transformer secondary side difference
With the silicon-controlled K13 first end of bidirectionally conductive, the silicon-controlled K14 first end connection of bidirectionally conductive, compensator transformer secondary side second end
Respectively with the silicon-controlled K15 first end of bidirectionally conductive, bidirectionally conductive silicon-controlled K16 first end connection, contactor KM1 normally opened contact the
One end is connect with contactor KM2 normally opened contact first end, contactor KM2 normally opened contact second end and step down side it is single-phase around
Group connection, contactor KM1 normally opened contact second end respectively with the silicon-controlled K14 second end of bidirectionally conductive, the silicon-controlled K16 of bidirectionally conductive
Second end connection, the silicon-controlled K13 second end of bidirectionally conductive and the silicon-controlled K15 second end of bidirectionally conductive are connect with the neutral conductor respectively.
Multiple voltage compensation potential devices, voltage compensation potential device and electricity are equipped on step down side three-phase windings
It adopts and is connected serially between pressure compensation potential device.
In the present embodiment, pressure regulation unit includes two voltage compensation potential devices；One of voltage compensation potential device
For above-mentioned voltage compensation potential device, another voltage compensation potential device is that second voltage compensates potential device；
It includes: the second compensator transformer that second voltage, which compensates potential device, and the silicon-controlled K17 of bidirectionally conductive, bidirectionally conductive can
Control silicon K18, the silicon-controlled K19 of bidirectionally conductive, the silicon-controlled K20 of bidirectionally conductive；
Compensator transformer first side winding is respectively that step down side is single-phase with the second compensator transformer first side winding
Winding, compensator transformer first side winding and the second compensator transformer first side winding are connected in series；
Compensator transformer secondary side first end respectively with the silicon-controlled K13 first end of bidirectionally conductive, the silicon-controlled K14 of bidirectionally conductive
First end connection, for compensator transformer secondary side second end respectively with the silicon-controlled K15 first end of bidirectionally conductive, bidirectionally conductive is silicon-controlled
The connection of K16 first end, contactor KM1 normally opened contact first end are connect with contactor KM2 normally opened contact first end, contactor KM2
Normally opened contact second end is connect with the single-phase winding of step down side, and contactor KM1 normally opened contact second end is led with two-way respectively
Lead to silicon-controlled K14 second end, the silicon-controlled K16 second end of bidirectionally conductive, the silicon-controlled K18 second end of bidirectionally conductive, bidirectionally conductive can
Control the connection of silicon K20 second end；
Second compensator transformer secondary side first end is controllable with the silicon-controlled K17 first end of bidirectionally conductive and bidirectionally conductive respectively
The connection of silicon K18 first end, the second compensator transformer secondary side second end respectively with the silicon-controlled K19 first end of bidirectionally conductive and two-way
Silicon-controlled K20 first end connection is connected；
The silicon-controlled K13 second end of bidirectionally conductive, the silicon-controlled K15 second end of bidirectionally conductive, the silicon-controlled K17 second of bidirectionally conductive
End, the silicon-controlled K19 second end of bidirectionally conductive are connect with the neutral conductor respectively.
The voltage regulating mode of pressure regulation unit are as follows: when input voltage is-the 20% to -12.5% of voltage rating, contactor KM1,
The silicon-controlled K13 of bidirectionally conductive, the silicon-controlled K16 of bidirectionally conductive, the silicon-controlled K17 of bidirectionally conductive, the silicon-controlled K20 conducting of bidirectionally conductive,
Other are disconnected, and make output voltage within the scope of 400 ± 5%V.
Input voltage is in-the 12.5% to -5% of voltage rating, contactor KM1, bidirectionally conductive silicon-controlled K13, two-way
Silicon-controlled K16, the silicon-controlled K17 conducting of bidirectionally conductive is connected, other disconnections make output voltage in 400 ± 5% ranges.
Input voltage is in ± 5% range of voltage rating, and contactor KM1, the silicon-controlled K13 of bidirectionally conductive, bidirectionally conductive can
Silicon K17 conducting is controlled, other disconnections make output voltage in 400 ± 5% ranges.
Input voltage is in the 5% to 12.5% of voltage rating, contactor KM1, the silicon-controlled K14 of bidirectionally conductive, bidirectionally conductive
Silicon-controlled K15, the silicon-controlled K17 conducting of bidirectionally conductive, other disconnections make output voltage in 400 ± 5% ranges.
Input voltage is in the 12.5% to 20% of voltage rating, contactor KM1, the silicon-controlled K14 of bidirectionally conductive, bidirectionally conductive
Silicon-controlled K15, the silicon-controlled K18 of bidirectionally conductive, bidirectionally conductive silicon-controlled K19 conducting, other disconnections, make output voltage 400 ±
In 5% range.
In under-voltage, over-voltage, overcurrent, compensator failure, contactor KM1 is disconnected, contactor KM2 closure, system bypass fortune
Row.The voltage is adjusted by bidirectionally conductive SCR control, is compensated automatically by different demands offset voltage, and zero passage is thrown
It cuts, reaction time 20ms.
In the past on-load regulator transformer use on-load voltage regulating switch, be it is mechanical, range of regulation be ± 10%, narrow range, instead
Long between seasonable, the service life is short, and pressure regulation is more than 2000 times, needs to change oil.This method uses SCR control, is contactless adjusting, can
Continuous rapid pressure adjusting, on transformer oil without influence, range of regulation is ± 20%, and range is wide.
In the present embodiment, step down side route is equipped with metering units 4, and metering units 4 include: current transformer,
Voltage transformer, power-factor measurement instrument；The power distribution system data information that intelligent acquisition controlling terminal 3 acquires includes electric current, electricity
Pressure, power factor, three-phase imbalance rate, capacity, no-load loss, load loss, switch state parameter, system failure information, intelligence
Energy control terminal for data acquisition is also used to and master control room data communication；
This terminal is recorded and is passed to power grid input voltage, electric current, power factor, output voltage, electric current, power factor
It send, transformer temperature rise, failure is recorded and transmitted, to pressure regulation voltage-stabilizing controller, the various numbers of unified power quality compensator
It, can be with remote setting and control, to equipment operation and unified power quality compensator to output voltage according to being recorded and being transmitted
Work carry out centralized control and output parameter control, to reach route optimal running effect.
This equipment has self-shield and incoming call from power transmission function, realizes unattended and automatic running truly.
Switch block 2 uses permanent magnetic vacuum switch, the control instruction that switch block is issued according to intelligent acquisition controlling terminal
Execute on-off action.Using permanent magnetic vacuum switch, it can be achieved that the function of long-range power transmission.
Power quality unit 5 is additionally provided on step down side route, switch block 2 is arranged in power quality unit 5
Between output end and user terminal；Power quality unit 5 uses distribution network power quality comprehensive compensator, and distribution network electric energy quality is comprehensive to be mended
Repaying device includes: reactive-load compensator, active filter, zero curve current divider.
Power quality unit 5 is the power electronic equipment using IGBT as core component, by line voltage distribution, electric current letter
Number measurement and calculating, which generates an equal in magnitude, contrary negative-sequence current, zero-sequence current, 19 following height
In subharmonic current, neutral line current injection power grid, the above electric current in power grid is offset, to make only to be left 50Hz positive sequence in power grid
Electric current achievees the purpose that power factor is 1, the three-phase current balance of voltage, Eliminate highter harmonic, eliminates neutral line current.
Line loss 20%, tri-phase unbalance factor < 5% can be reduced using the power quality unit 5, higher hamonic wave reduces
85%, neutral line current < 2A.Power factor adjustment is linear, reaction time < 5ms, perceptual capacitive, and is quickly converted, and may be used also
It prevents voltage flicker and the effect of Network Voltage Stability is maintained to have castering action to terminal voltage due to reducing line current.
System further include: PLC control subsystem；
PLC control subsystem is used to control the silicon-controlled KA1 of bidirectionally conductive, bidirectionally conductive according to the operating parameter of systemic presupposition
Silicon-controlled KA2, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, the silicon-controlled KA5 of bidirectionally conductive, bidirectionally conductive are controllable
Silicon KA6, the silicon-controlled KA7 of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, the silicon-controlled Ka9 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
Ka10, the silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
Ka14, the silicon-controlled Ka15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Ka16, contactor KM1, contactor KM2, bidirectionally conductive are silicon-controlled
K13, the silicon-controlled K14 of bidirectionally conductive, the silicon-controlled K15 of bidirectionally conductive, the on-off of the silicon-controlled K16 of bidirectionally conductive.
It is controlled using PLC and high-power silicon controlled rectifier, no mechanical contact, reaction speed 20ms.Control range be ±
20%, and control range can be selected by user, maximum can reach ± 50%.Compensator transformer using change magnetic field strength and direction come
The size and Orientation for changing compensator transformer output voltage, achievees the purpose that burning voltage.Voltage is completed in one cycle to adjust,
Waveform is smooth, does not generate voltage waveform variation, and silicon controlled switching uses zero crossing switching, and no-flashy-flow generates.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment refer to mutually.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can
Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover and non-exclusive include.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of intelligent wide cut capacity and pressure regulating distribution system characterized by comprising potential device is exported with potential device
The switch block of side connection, connect with switch block, component open-closed for acquiring power distribution system data information and control switch
Intelligent acquisition controlling terminal；
Potential device includes: transformer, is become for adjusting the pressure regulation unit of step down side output voltage range and adjusting
The capacity transfer unit of depressor rated capacity.
2. intelligent wide cut capacity and pressure regulating distribution system according to claim 1, which is characterized in that
Capacity transfer unit includes: that the silicon-controlled KA1 of bidirectionally conductive that high voltage side of transformer A phase winding coil is arranged in, bidirectionally conductive can
It is silicon-controlled to control silicon KA2, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, the silicon-controlled KA5 of bidirectionally conductive, bidirectionally conductive
The silicon-controlled KA7 of KA6, bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, the first A phase resistance, the 2nd A phase resistance；
The silicon-controlled Ka9 of bidirectionally conductive of step down side a phase winding coil, the silicon-controlled Ka10 of bidirectionally conductive, two-way is set
The silicon-controlled Ka12 of silicon-controlled Ka11, bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, the silicon-controlled Ka14 of bidirectionally conductive, two-way is connected
The silicon-controlled Ka16 of silicon-controlled Ka15, bidirectionally conductive, the first a phase resistance Ra1, the 2nd a phase resistance Ra2 is connected；
A phase winding coil includes: the first A phase winding coil segment, the 2nd A phase winding coil segment, the 3rd A phase winding coil segment；
First A phase winding coil segment is equipped with the first A phase winding tap, and the 2nd A phase winding coil segment is equipped with the 2nd A phase winding
Tap；
A phase winding coil includes: the first a phase winding coil segment, the 2nd a phase winding coil segment, the 3rd a phase winding coil segment；The
Two a phase winding coil segments are equipped with the first a phase winding tap, and the 3rd a phase winding coil segment is equipped with the 2nd a phase winding tap；
First A phase winding coil segment first end is connect with high voltage side of transformer A phase input terminal, the first A phase winding coil segment second
End respectively with the silicon-controlled KA2 first end of bidirectionally conductive, the silicon-controlled KA3 first end of bidirectionally conductive and the silicon-controlled KA4 of bidirectionally conductive
First end connection；The second end of the silicon-controlled KA4 of bidirectionally conductive is connect with the first A phase resistance first end, the silicon-controlled KA1 of bidirectionally conductive
First end is connect with the first A phase winding tap, the silicon-controlled KA1 second end of bidirectionally conductive, the silicon-controlled KA3 second end of bidirectionally conductive,
First A phase resistance second end is connect with the 2nd A phase winding coil segment first end respectively, the silicon-controlled KA2 second end of bidirectionally conductive point
It is not connect with the 2nd A phase winding tap and the silicon-controlled KA6 first end of bidirectionally conductive；
2nd A phase winding coil segment second end respectively with the silicon-controlled KA7 first end of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive
One end and the silicon-controlled KA5 first end connection of bidirectionally conductive；The second end of the silicon-controlled KA5 of bidirectionally conductive and the 2nd A phase resistance the
One end connection, the silicon-controlled KA6 first end of bidirectionally conductive are connect with the 2nd A phase winding tap, the silicon-controlled KA6 second of bidirectionally conductive
End, the silicon-controlled KA8 second end of bidirectionally conductive, the 2nd A phase resistance second end connect with the 3rd A phase winding coil segment first end respectively
It connects；3rd A phase winding coil segment second end and the silicon-controlled KA7 second end of bidirectionally conductive are inputted with high voltage side of transformer B phase respectively
End connection；
First a phase winding coil segment first end and the silicon-controlled Ka15 first end of bidirectionally conductive respectively with the step down side neutral conductor
Connection；First a phase winding coil segment second end respectively with the silicon-controlled Ka14 first end of bidirectionally conductive, the silicon-controlled Ka16 of bidirectionally conductive
First end, the connection of the first a phase resistance first end, the first a phase resistance second end are connect with the silicon-controlled Ka13 first end of bidirectionally conductive,
The silicon-controlled Ka13 second end of bidirectionally conductive, the silicon-controlled Ka16 second end of bidirectionally conductive, the silicon-controlled Ka15 second end of bidirectionally conductive point
Do not connect with the 2nd a phase winding coil segment first end, the silicon-controlled Ka14 second end of bidirectionally conductive respectively with the first a phase winding tap
It is connected with the silicon-controlled Ka10 first end of bidirectionally conductive；
2nd a phase winding coil segment second end respectively with the silicon-controlled Ka9 first end of bidirectionally conductive, the silicon-controlled Ka11 of bidirectionally conductive
One end, the connection of the 2nd a phase resistance first end, the 2nd a phase resistance second end is connect with the silicon-controlled Ka12 first end of bidirectionally conductive, double
It is connect to silicon-controlled Ka9 second end is connected with the 2nd a phase winding tap, the silicon-controlled Ka10 second end of bidirectionally conductive, bidirectionally conductive
Silicon-controlled Ka11 second end, the silicon-controlled Ka12 second end of bidirectionally conductive are connect with the 3rd a phase winding coil segment first end respectively, the
Three a phase winding coil segment second ends are connect with step down side a phase output terminal.
3. intelligent wide cut capacity and pressure regulating distribution system according to claim 1 or 2, which is characterized in that
Capacity transfer unit further include: the silicon-controlled KB1 of bidirectionally conductive, the bidirectionally conductive of high voltage side of transformer B phase winding coil are set
The silicon-controlled KB3 of silicon-controlled KB2, bidirectionally conductive, the silicon-controlled KB4 of bidirectionally conductive, the silicon-controlled KB5 of bidirectionally conductive, bidirectionally conductive are controllable
The silicon-controlled KB7 of silicon KB6, bidirectionally conductive, the silicon-controlled KB8 of bidirectionally conductive, the first B phase resistance, the 2nd B phase resistance；
The silicon-controlled Kb9 of bidirectionally conductive of step down side b phase winding coil, the silicon-controlled Kb10 of bidirectionally conductive, two-way is set
The silicon-controlled Kb12 of silicon-controlled Kb11, bidirectionally conductive, the silicon-controlled Kb13 of bidirectionally conductive, the silicon-controlled Kb14 of bidirectionally conductive, two-way is connected
The silicon-controlled Kb16 of silicon-controlled Kb15, bidirectionally conductive, the first b phase resistance Rb1, the 2nd b phase resistance Rb2 is connected；
B phase winding coil includes: the first B phase winding coil segment, the 2nd B phase winding coil segment, the 3rd B phase winding coil segment；
First B phase winding coil segment is equipped with the first B phase winding tap, and the 2nd B phase winding coil segment is equipped with the 2nd B phase winding
Tap；
B phase winding coil includes: the first b phase winding coil segment, the 2nd b phase winding coil segment, the 3rd b phase winding coil segment；The
Two b phase winding coil segments are equipped with the first b phase winding tap, and the 3rd b phase winding coil segment is equipped with the 2nd b phase winding tap.
4. intelligent wide cut capacity and pressure regulating distribution system according to claim 1 or 2, which is characterized in that
Capacity transfer unit further include: the silicon-controlled KC1 of bidirectionally conductive, the bidirectionally conductive of high voltage side of transformer C phase winding coil are set
The silicon-controlled KC3 of silicon-controlled KC2, bidirectionally conductive, the silicon-controlled KC4 of bidirectionally conductive, the silicon-controlled KC5 of bidirectionally conductive, bidirectionally conductive are controllable
The silicon-controlled KC7 of silicon KC6, bidirectionally conductive, the silicon-controlled KC8 of bidirectionally conductive, the first C phase resistance, the 2nd C phase resistance；
The silicon-controlled Kc9 of bidirectionally conductive of step down side c phase winding coil, the silicon-controlled Kc10 of bidirectionally conductive, two-way is set
The silicon-controlled Kc12 of silicon-controlled Kc11, bidirectionally conductive, the silicon-controlled Kc13 of bidirectionally conductive, the silicon-controlled Kc14 of bidirectionally conductive, two-way is connected
The silicon-controlled Kc16 of silicon-controlled Kc15, bidirectionally conductive, the first c phase resistance Rc1, the 2nd c phase resistance Rc2 is connected；
C phase winding coil includes: the first C phase winding coil segment, the 2nd C phase winding coil segment, the 3rd C phase winding coil segment；
First C phase winding coil segment is equipped with the first C phase winding tap, and the 2nd C phase winding coil segment is equipped with the 2nd C phase winding
Tap；
C phase winding coil includes: the first c phase winding coil segment, the 2nd c phase winding coil segment, the 3rd c phase winding coil segment；The
Two c phase winding coil segments are equipped with the first c phase winding tap, and the 3rd c phase winding coil segment is equipped with the 2nd c phase winding tap.
5. intelligent wide cut capacity and pressure regulating distribution system according to claim 1 or 2, which is characterized in that
Pressure regulation unit includes: contactor KM1, contactor KM2, and the voltage being separately positioned on step down side three-phase windings is mended
Repay potential device；
Voltage compensation potential device includes: compensator transformer；The silicon-controlled K13 of bidirectionally conductive, bidirectionally conductive silicon-controlled K14, it is two-way
Silicon-controlled K15, the silicon-controlled K16 of bidirectionally conductive is connected；
Compensator transformer primary side is the single-phase winding of step down side, and compensator transformer secondary side first end is led with two-way respectively
Lead to silicon-controlled K13 first end, the silicon-controlled K14 first end connection of bidirectionally conductive, compensator transformer secondary side second end respectively with it is double
To being connected silicon-controlled K15 first end, the silicon-controlled K16 first end connection of bidirectionally conductive, contactor KM1 normally opened contact first end with connect
The connection of tentaculum KM2 normally opened contact first end, contactor KM2 normally opened contact second end are connect with the single-phase winding of step down side,
Contactor KM1 normally opened contact second end respectively with the silicon-controlled K14 second end of bidirectionally conductive, the silicon-controlled K16 second end of bidirectionally conductive
Connection, the silicon-controlled K13 second end of bidirectionally conductive and the silicon-controlled K15 second end of bidirectionally conductive are connect with the neutral conductor respectively.
6. intelligent wide cut capacity and pressure regulating distribution system according to claim 5, which is characterized in that
Multiple voltage compensation potential devices are equipped on step down side three-phase windings, voltage compensation potential device and voltage are mended
It repays to adopt between potential device and be connected serially.
7. intelligent wide cut capacity and pressure regulating distribution system according to claim 5, which is characterized in that
Step down side route is equipped with metering units, and metering units include: current transformer, voltage transformer, power because
Number measuring instrument；
The power distribution system data information of intelligent acquisition controlling terminal acquisition includes electric current, voltage, power factor, three-phase imbalance
Rate, capacity, no-load loss, load loss, switch state parameter, system failure information, intelligent acquisition controlling terminal be also used to
Master control room data communication；
Switch block uses permanent magnetic vacuum switch, and switch block executes logical according to the control instruction that intelligent acquisition controlling terminal issues
Disconnected movement.
8. intelligent wide cut capacity and pressure regulating distribution system according to claim 7, which is characterized in that
Be additionally provided with power quality unit on step down side route, power quality unit be arranged in the output end of switch block with
Between user terminal；Power quality unit uses distribution network power quality comprehensive compensator, and distribution network power quality comprehensive compensator includes:
Reactive-load compensator, active filter, zero curve current divider.
9. intelligent wide cut capacity and pressure regulating distribution system according to claim 7, which is characterized in that
Further include: PLC control subsystem；
PLC control subsystem is used to control the silicon-controlled KA1 of bidirectionally conductive according to the operating parameter of systemic presupposition, and bidirectionally conductive is controllable
Silicon KA2, the silicon-controlled KA3 of bidirectionally conductive, the silicon-controlled KA4 of bidirectionally conductive, the silicon-controlled KA5 of bidirectionally conductive, bidirectionally conductive are silicon-controlled
KA6, the silicon-controlled KA7 of bidirectionally conductive, the silicon-controlled KA8 of bidirectionally conductive, the silicon-controlled Ka9 of bidirectionally conductive, the silicon-controlled Ka10 of bidirectionally conductive,
The silicon-controlled Ka11 of bidirectionally conductive, the silicon-controlled Ka12 of bidirectionally conductive, the silicon-controlled Ka13 of bidirectionally conductive, the silicon-controlled Ka14 of bidirectionally conductive,
The silicon-controlled Ka15 of bidirectionally conductive, bidirectionally conductive silicon-controlled Ka16, contactor KM1, contactor KM2, the silicon-controlled K13 of bidirectionally conductive,
The silicon-controlled K14 of bidirectionally conductive, the silicon-controlled K15 of bidirectionally conductive, the on-off of the silicon-controlled K16 of bidirectionally conductive.
10. intelligent wide cut capacity and pressure regulating distribution system according to claim 5, which is characterized in that
Pressure regulation unit includes two voltage compensation potential devices；
Second voltage compensation potential device includes: the second compensator transformer, the silicon-controlled K17 of bidirectionally conductive, and bidirectionally conductive is silicon-controlled
K18, the silicon-controlled K19 of bidirectionally conductive, the silicon-controlled K20 of bidirectionally conductive；
Compensator transformer first side winding and the second compensator transformer first side winding are respectively the single-phase winding of step down side,
Compensator transformer first side winding and the second compensator transformer first side winding are connected in series；
Compensator transformer secondary side first end respectively with the silicon-controlled K13 first end of bidirectionally conductive, the silicon-controlled K14 first of bidirectionally conductive
End connection, compensator transformer secondary side second end respectively with the silicon-controlled K15 first end of bidirectionally conductive, the silicon-controlled K16 of bidirectionally conductive
First end connection, contactor KM1 normally opened contact first end are connect with contactor KM2 normally opened contact first end, and contactor KM2 is normally opened
Contact second end is connect with the single-phase winding of step down side, and contactor KM1 normally opened contact second end respectively can with bidirectionally conductive
Control silicon K14 second end, the silicon-controlled K16 second end of bidirectionally conductive, the silicon-controlled K18 second end of bidirectionally conductive, bidirectionally conductive are silicon-controlled
The connection of K20 second end；
Second compensator transformer secondary side first end is silicon-controlled with the silicon-controlled K17 first end of bidirectionally conductive and bidirectionally conductive respectively
The connection of K18 first end, the second compensator transformer secondary side second end respectively with the silicon-controlled K19 first end of bidirectionally conductive and two-way lead
Lead to silicon-controlled K20 first end connection；
The silicon-controlled K13 second end of bidirectionally conductive, the silicon-controlled K15 second end of bidirectionally conductive, the silicon-controlled K17 second end of bidirectionally conductive,
The silicon-controlled K19 second end of bidirectionally conductive is connect with the neutral conductor respectively.
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| CN201720081259.2U CN209313436U (en) | 2017-01-22 | 2017-01-22 | A kind of intelligent wide cut capacity and pressure regulating distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602573A (en) * | 2017-01-22 | 2017-04-26 | 济南拉斐叶电力科技有限公司 | Intelligent wide capacity-regulating voltage-regulating power distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602573A (en) * | 2017-01-22 | 2017-04-26 | 济南拉斐叶电力科技有限公司 | Intelligent wide capacity-regulating voltage-regulating power distribution system |
| CN106602573B (en) * | 2017-01-22 | 2023-07-18 | 济南拉斐叶电力科技有限公司 | Intelligent wide capacity-regulating voltage-regulating power distribution system |
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