CN107809116A - Low-voltage circuit three-phase imbalance phasing switch - Google Patents
Low-voltage circuit three-phase imbalance phasing switch Download PDFInfo
- Publication number
- CN107809116A CN107809116A CN201711187460.XA CN201711187460A CN107809116A CN 107809116 A CN107809116 A CN 107809116A CN 201711187460 A CN201711187460 A CN 201711187460A CN 107809116 A CN107809116 A CN 107809116A
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- China
- Prior art keywords
- phases
- switch
- stock mechanism
- interlocking gear
- leverage
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
The present invention relates to a kind of low-voltage circuit three-phase imbalance phasing switch, belong to the circuit arrangement technical field of ac distribution network.The present invention includes the phasing switch in the electricity box of family, phasing switch one end is connected with the three-phase transformer outside the electricity box of family, the other end is connected with some family tables in the electricity box of family, phasing switch includes the switch I positioned at A phases, switch II positioned at B phases and the switch III positioned at C phases, phasing switch is internally provided with out of stock mechanism, leverage and interlocking gear, out of stock mechanism includes the out of stock mechanism of A phases in switch I, the out of stock mechanism of B phases in switch II and the out of stock mechanism of C phases in switch III, leverage is installed additional between the out of stock mechanism of A phases and the out of stock mechanism of B phases；Interlocking gear is loaded with the out of stock mechanism of C phases, interlocking gear is connected on leverage；Interlocking gear and leverage, by interlocking gear and leverage, are ensureing any time, are having and only a phase phasing switch can be closed to be rigidly connected.
Description
Technical field
The present invention relates to a kind of low-voltage circuit three-phase imbalance phasing switch, belong to the circuit arrangement skill of ac distribution network
Art field.
Background technology
The work of phase modulation is broadly divided into three parts at present, including：Develop programs, handle power failure, step on bar adjustment etc..At present I
Adjustment mode be all to step on bar to be adjusted, this has resulted in situation about must be had a power failure to the circuit.Electricity box at present
The mode of connection is all single-phase inlet wire processed, but because the uncontrollability of load, this connected mode can only meet current load
Poised state, it is unadjustable as the change occurred afterwards.Handle power failure and waste substantial amounts of human and material resources, wealth with stepping on bar adjustment
Power.The workload of routine practitioner is increased, reduces operating efficiency.
The content of the invention
In view of the foregoing defects the prior art has, the present invention proposes a kind of new low-voltage circuit three-phase imbalance phase modulation
Switch, by interlocking gear and leverage, ensureing any time, having and only a phase phasing switch can be closed.
The present invention is realized using following technical scheme：Low-voltage circuit three-phase imbalance phasing switch, including positioned at
Phasing switch in the electricity box of family, phasing switch one end are connected with the three-phase transformer outside the electricity box of family, in the other end and family electricity box
Some family tables are connected, and phasing switch includes switch I, the switch II positioned at B phases and the switch III positioned at C phases positioned at A phases, phase modulation
Switch internal is provided with out of stock mechanism, leverage and interlocking gear, and out of stock mechanism includes the out of stock machine of A phases in switch I
Structure, the out of stock mechanism of B phases in switch II and the out of stock mechanism of C phases in switch III, take off in the out of stock mechanism of A phases with B phases
Install leverage between pin mechanism additional；Interlocking gear is loaded with the out of stock mechanism of C phases, interlocking gear is connected on leverage；
Interlocking gear and leverage, by interlocking gear and leverage, are ensureing any time to be rigidly connected, and have and only one
Phase phasing switch can be closed.
Preferably, the leverage uses V-arrangement connector, and V-arrangement connector is provided with the left side being connected with the out of stock mechanism of A phases
End, is provided with the right-hand member being connected with the out of stock mechanism of B phases, left end and right-hand member are bent upwards node at an acute angle.
Preferably, the interlocking gear uses square connector, and square connector is provided with sharp with interlocking gear
The connected left end of corner node, is provided with the right-hand member being connected with the out of stock mechanism of C phases, left end and right-hand member are bent upwards rectangular node.
Preferably, the interlocking gear is provided with gear in the hull outside of phasing switch, and gear takes off including only closing A phases
One grade of pin mechanism, only closes two gears of the out of stock mechanism of B phases, and only closes three gears of the out of stock mechanism of C phases；Different stalls are corresponding
Interlocking gear rotating angle it is different.
Preferably, controller, communication module and motor, controller and communication module and electricity are provided with the phasing switch
Machine is connected, and controller starts motor and rotate the different number of turns, so as to convey the connected company of motor by communications reception control signal
Latch mechanism, which is realized, rotates different gears.
Preferably, it is additionally provided with two-stage safety between the phasing switch and family table.
Preferably, the out of stock mechanism includes the conducting metal of connecting cable, passes through interlocking gear and the band of leverage
The dynamic closure for realizing corresponding phase.
The beneficial effects of the invention are as follows：Using low-voltage circuit three-phase imbalance phasing switch of the present invention, pass through by
The present apparatus is applied to taiwan area line load phase modulation 50 times, and switch success rate reaches 100%, short trouble trip-out rate 100%, switchs
Interlock malfunction rate 0%；After the completion of phase modulation, line load voltage, current curve have all reached basic poised state；Time imitates
Benefit：Load adjustment work is carried out compared to the average every circuit of electricity consumption time for stepping on bar Load adjustment before by load phasing switch
Save 5 hours；Economic benefit：By being changed to the improvement of three-phase four-wire system electric power incoming line, circuit line loss to individual event electric power incoming line
Rate reduces 7 percentage points；Social benefit：Application load phasing switch carries out load phase modulation work, without entering to whole piece circuit
Row power down, customer satisfaction rate greatly promote.
Brief description of the drawings
Fig. 1 is the combined type leverage load phasing switch cut-away view of the present invention.
Fig. 2 is the field connection figure of the present invention.
Fig. 3 is the elementary diagram of the present invention.
In figure：1st, I is switched；2nd, II is switched；3rd, III is switched；4th, the out of stock mechanism of A phases；5th, the out of stock mechanism of B phases；6th, C phases are out of stock
Mechanism；7th, leverage；8th, interlocking gear；9th, phasing switch；10th, family table；11st, family electricity box；12nd, two-stage safety.
Embodiment
In order that the object of the invention, technical scheme are more clearly understood, with reference to embodiment, the present invention is made further
Describe in detail.
As depicted in figs. 1 and 2, low-voltage circuit three-phase imbalance phasing switch of the present invention, in family electricity box 11.
The one end of phasing switch 9 is connected with the three-phase transformer outside family electricity box 11, and the other end is connected with some family tables 10 in family electricity box 11.
As shown in figure 1, phasing switch 9 includes the switch I 1 positioned at A phases, positioned at the switch II 2 of B phases and opening positioned at C phases
Close III 3.
Invention increases out of stock mechanism, leverage 7 and interlocking gear 8, may be contained within inside phasing switch 9.It is out of stock
Mechanism includes the out of stock mechanism 4 of A phases in switch I 1, the out of stock mechanism 5 of B phases in switch II 2 and in switch III 3
The out of stock mechanism 6 of C phases, between the out of stock mechanism 4 of A phases and the out of stock mechanism 5 of B phases install additional leverage 7；Add in the out of stock mechanism 6 of C phases
Interlocking gear 8 is loaded with, interlocking gear 8 is connected on leverage 7；Interlocking gear 8 and leverage 7 pass through to be rigidly connected
Interlocking gear 8 and leverage 7, ensureing any time, having and only a phase phasing switch 9 can be closed.
The leverage 7 uses V-arrangement connector, and V-arrangement connector is provided with the left end that mechanism 4 out of stock with A phases is connected, if
The right-hand member that mechanism 5 out of stock with B phases is connected is equipped with, left end and right-hand member are bent upwards node at an acute angle.
The interlocking gear 8 uses square connector, and square connector is provided with the acute angle node with interlocking gear 8
Connected left end, is provided with the right-hand member that mechanism 6 out of stock with C phases is connected, and left end and right-hand member are bent upwards rectangular node.
The interlocking gear 8 is provided with gear in the hull outside of phasing switch 9, and gear includes only closing the out of stock machine of A phases
One grade of structure 4, only closes two gears of the out of stock mechanism 5 of B phases, and only closes three gears of the out of stock mechanism 6 of C phases；Different stalls are corresponding
Interlocking gear 8 rotating angle it is different.
Controller, communication module and motor, controller and communication module and motor phase are provided with the phasing switch 9
Even, controller starts motor and rotates the different number of turns, so as to convey the connected chain machine of motor by communications reception control signal
Structure 8, which is realized, rotates different gears.
As shown in figure 3, it is additionally provided with two-stage safety 12 between the phasing switch 9 and family table 10.
The out of stock mechanism includes the conducting metal of connecting cable, is realized by the drive of interlocking gear 8 and leverage 7
The closure of corresponding phase.
Specifically, the mode of connection of the invention：For service-wire mode, using three-phase four-wire system electric power incoming line side
Formula.Change the mode of traditional single-phase inlet wire, use from low-voltage circuit T and be connected to the mode of connection of user's electricity box 11 as three-phase and four-line
System, condition is provided for load phase modulation.
The load phasing switch 9 of combined type leverage 7：In the out of stock mechanism 4 of the A phases of three-phase phasing switch 9, the out of stock machine of B phases
Installing leverage 7 between structure 5 additional, leverage 7 causes the out of stock mechanism 5 of the out of stock mechanism 4 and B phases of A phases from being closed simultaneously, and
An interlocking gear 8 is installed additional in the inside of the switch III 3 of C phases, this interlocking gear 8 is connected to the out of stock mechanism 4 of A phases and B phases
In out of stock mechanism 5 so that while the out of stock mechanism 6 of C phases closes, by the effect of connecting rod, open the out of stock mechanism 4 and B phases of A phases
Out of stock mechanism 5 so that the switch II 2 of the switch I 1 and B phases of A phases can not be closed.Equally, if A phases with B phases are any one is harmonious
On, then because the effect of linkage, C phases can not be closed.Ensure at any time, have and only phase switch can be closed
On.
The lower port of phasing switch 9, connected with wire and draw a wire, the phase line as user's electric power incoming line.Normally
In use, upper port link A, B, C three-phase power line of phasing switch 9, lower port is by the use of wire short circuit and draws and is used as client's electricity
The inlet wire in source., only need to be by adjusting tri- corresponding A, B, C gears, without having a power failure, without stepping on bar during phase modulation.
By the way that the present apparatus is applied into taiwan area line load phase modulation 50 times, switch success rate reaches 100%, and short trouble is jumped
Lock rate 100%, switch interlock malfunction rate 0%.After the completion of phase modulation, line load voltage, current curve have all reached basic
Poised state.Load adjustment work is carried out compared to the average electricity consumption time for stepping on bar Load adjustment before by load phasing switch 9
Every circuit saves 5 hours.By being changed to the improvement of three-phase four-wire system electric power incoming line, circuit line loss per unit to individual event electric power incoming line
Reduce 7 percentage points.Application load phasing switch 9 carries out load phase modulation work, without carrying out power down to whole piece circuit,
Customer satisfaction rate greatly promotes.
The present invention is applied to user's low-voltage taiwan area caused by distribution line is load unbalanced, uneven for three-phase voltage
Weighing apparatus, the low-voltage platform area of three-phase current unbalance, radius of electricity supply is farther out and the inclined serious taiwan area of load phenomenon of taiwan area.
It the foregoing is only presently preferred embodiments of the present invention and oneself, be not limitation with the present invention, all essences in the present invention
Impartial modifications, equivalent substitutions and improvements made within refreshing and principle etc., it should be included in the patent covering scope of the present invention.
Claims (7)
1. a kind of low-voltage circuit three-phase imbalance phasing switch, including the phasing switch (9) in family electricity box (11), phase modulation is opened
Close three-phase transformer of (9) one end with family electricity box (11) outside to be connected, the other end and some family table (10) phases in family electricity box (11)
Even, phasing switch (9) includes switch I (1), the switch II (2) positioned at B phases and the switch III (3) positioned at C phases positioned at A phases, its
It is characterised by, phasing switch (9), which is internally provided with out of stock mechanism, leverage (7) and interlocking gear (8), out of stock mechanism, to be included
Positioned at the out of stock mechanism of A phases (4) switched in I (1), positioned at the out of stock mechanism of B phases (5) switched in II (2) and positioned at III (3) of switch
The interior out of stock mechanism of C phases (6), install leverage (7) additional between the out of stock mechanism of A phases (4) and the out of stock mechanism of B phases (5)；C phases take off
Interlocking gear (8) is loaded with pin mechanism (6), interlocking gear (8) is connected on leverage (7)；Interlocking gear (8) and lever
Mechanism (7), by interlocking gear (8) and leverage (7), is ensureing any time to be rigidly connected, and has and an only phase is adjusted
Mutually switch (9) can be closed.
2. low-voltage circuit three-phase imbalance phasing switch according to claim 1, it is characterised in that the leverage
(7) V-arrangement connector is used, V-arrangement connector is provided with the left end being connected with the out of stock mechanism of A phases (4), is provided with and the out of stock machine of B phases
The connected right-hand member of structure (5), left end and right-hand member are bent upwards node at an acute angle.
3. low-voltage circuit three-phase imbalance phasing switch according to claim 2, it is characterised in that the interlocking gear
(8) square connector is used, square connector is provided with the left end being connected with the acute angle node of interlocking gear (8), sets
There is the right-hand member being connected with the out of stock mechanism of C phases (6), left end and right-hand member are bent upwards rectangular node.
4. low-voltage circuit three-phase imbalance phasing switch according to claim 1, it is characterised in that the interlocking gear
(8) hull outside of phasing switch (9) is provided with gear, gear includes only close the out of stock mechanism of A phases (4) one grade, only closed
Two gears of the upper out of stock mechanism of B phases (5), and only close three gears of the out of stock mechanism of C phases (6)；Interlocking gear corresponding to different stalls
(8) rotating angle is different.
5. low-voltage circuit three-phase imbalance phasing switch according to claim 1, it is characterised in that the phasing switch
(9) controller, communication module and motor are provided with, controller is connected with communication module and motor, and controller is connect by communication
Control signal is received, starts motor and rotates the different number of turns, interlocking gear (8) realization being connected so as to convey motor rotates different
Gear.
6. low-voltage circuit three-phase imbalance phasing switch according to claim 1, it is characterised in that the phasing switch
(9) two-stage safety (12) is additionally provided between family table (10).
7. low-voltage circuit three-phase imbalance phasing switch according to claim 1, it is characterised in that the out of stock mechanism bag
The conducting metal of connecting cable is included, passes through interlocking gear (8) and the closure of the drive corresponding phase of realization of leverage (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711187460.XA CN107809116B (en) | 2017-11-17 | 2017-11-17 | Three-phase unbalance phase modulation switch for low-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711187460.XA CN107809116B (en) | 2017-11-17 | 2017-11-17 | Three-phase unbalance phase modulation switch for low-voltage line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107809116A true CN107809116A (en) | 2018-03-16 |
| CN107809116B CN107809116B (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711187460.XA Active CN107809116B (en) | 2017-11-17 | 2017-11-17 | Three-phase unbalance phase modulation switch for low-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107809116B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666165A (en) * | 2018-05-18 | 2018-10-16 | 国网山东省电力公司阳谷县供电公司 | Novel phasing switch for adjusting low-voltage three-phase load |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517777A (en) * | 2013-09-30 | 2015-04-15 | 景德镇景光精盛电器有限公司 | Permanent magnet vacuum arbitrary phase-change switch |
| EP2945176A1 (en) * | 2014-05-15 | 2015-11-18 | Schneider Electric Industries SAS | Medium voltage switchgear using the technique of break in vacuum |
| CN105810471A (en) * | 2016-03-31 | 2016-07-27 | 江苏金易德电气科技有限公司 | Mechanical interlock device for three-phase phase-change switch |
| CN106409623A (en) * | 2016-05-27 | 2017-02-15 | 秦传勇 | Smart phase-change switch |
-
2017
- 2017-11-17 CN CN201711187460.XA patent/CN107809116B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517777A (en) * | 2013-09-30 | 2015-04-15 | 景德镇景光精盛电器有限公司 | Permanent magnet vacuum arbitrary phase-change switch |
| EP2945176A1 (en) * | 2014-05-15 | 2015-11-18 | Schneider Electric Industries SAS | Medium voltage switchgear using the technique of break in vacuum |
| CN105810471A (en) * | 2016-03-31 | 2016-07-27 | 江苏金易德电气科技有限公司 | Mechanical interlock device for three-phase phase-change switch |
| CN106409623A (en) * | 2016-05-27 | 2017-02-15 | 秦传勇 | Smart phase-change switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666165A (en) * | 2018-05-18 | 2018-10-16 | 国网山东省电力公司阳谷县供电公司 | Novel phasing switch for adjusting low-voltage three-phase load |
| CN108666165B (en) * | 2018-05-18 | 2019-10-25 | 国网山东省电力公司阳谷县供电公司 | For adjusting the novel phasing switch of low-voltage three-phase load |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107809116B (en) | 2021-04-27 |
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