CN206135211U - Novel main wiring of double -bus - Google Patents
Novel main wiring of double -bus Download PDFInfo
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- CN206135211U CN206135211U CN201621094232.9U CN201621094232U CN206135211U CN 206135211 U CN206135211 U CN 206135211U CN 201621094232 U CN201621094232 U CN 201621094232U CN 206135211 U CN206135211 U CN 206135211U
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- transformator
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- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model provides a novel main wiring of double -bus by providing at least one power electronic transformer, can realize that the bi -directional distribution on demand of trend, meritorious idle compound support, the power quality separate composite control functions such as discrete control, fault current limiting. It cut -offs the controller to be provided with between two generating lines. When when cut -offfing the female flexible controller of antithetical couplet of controller use, the break -make state between two generating lines not only can be controlled, trend in the flexible distribution between two generating lines can be realized moreover. The transformer is connected with open and cut device, works as when open and cut device adopts the quick open and cut device of power electronic, quick excision that can the implementation system trouble. Compare with the main wiring form of traditional transformer substation double -bus, the utility model discloses integrate into power electronic equipment on the basis of the tradition owner form of working a telephone switchboard, possessed advantages such as nimble controllable, that the reaction is rapid, realized a series of composite control functions.
Description
Technical field
This utility model is related to technical field of electric power, and in particular to a kind of new main electrical scheme of double-bus.
Background technology
With the quickening of intelligent grid pace of construction, transformer station is from single voltage transformation node gradually to power grid regulation section
Point transformation.Future substation needs to complete the comprehensive regulation functions such as the flexible allocation to electric network swim, quick control protection.
In the double-bus main electrical scheme structure of traditional transformer station, usual employing tradition primary equipment, such as ferrum magnetic type transformer,
Mechanical type chopper etc..First, ferrum magnetic type transformer, the transformator is generally adopted to realize in the main electrical scheme of existing transformer station
Transformation, it is impossible to realize trend flexibly control, active reactive support, utility power quality control, a series of Comprehensive Controls such as failure current limit
Function；Secondly, in traditional main wiring mode, the bus connection switch between two buses only has " division " two states, it is impossible to real
Existing trend is in the flexible allocation of two buses；Again, to cut-off time delay longer for mechanical type chopper, it is impossible to meets future substation pair
In the actual demand of quick excision failure.
Therefore, intelligent grid is faced the future for the functional requirement of transformer station, need to arrange new Main connection form.
Utility model content
First technical problem to be solved in the utility model is to overcome traditional transformer of the prior art real
The defect of the integrated control functions such as the now flexible control of trend；
Additionally, second technical problem to be solved in the utility model is that bus connection switch of the prior art cannot be realized
The defect of trend flexible allocation between two buses；
Additionally, the 3rd technical problem to be solved in the utility model is that conventional circuit breaker of the prior art cannot be quick
The defect of excision failure.
In view of this, this utility model provides a kind of new main electrical scheme of double-bus, including the first bus and the second bus,
Every bus is respectively connecting to a few outlet, and the main electrical scheme at least includes the first transformator, and first transformator is electricity
Power electronic transformer, first transformator are connected with one end of the first breaking device, the other end of first breaking device
It is connected with first bus by the first disconnecting switch, is connected with second bus by the second disconnecting switch；Described
Be provided between first bus and second bus controller is cut-off for getting in touch with two buses.
Preferably, one end also including one or more the second transformators, second transformator and the second breaking device
Connection, the other end of second breaking device are connected with first bus, are isolated by the 4th by the 3rd disconnecting switch
Switch is connected with second bus.
Preferably, second transformator is conventional transformer or electric power electric transformer.
Preferably, first breaking device and the second breaking device are partly or entirely filled using power electronics quick-speed turning on-off
Put or regular circuit breakers.
Preferably, the controller that cut-offs uses power electronics rapid on-off apparatus or regular circuit breakers.
Preferably, the controller that cut-offs uses mother flexible controller, the mother flexible controller to be used to adjust two
Trend between bar bus.
Preferably, the first bus isolating switch is respectively arranged between first bus and its corresponding outlet.
Preferably, the second bus isolating switch is respectively arranged between second bus and its corresponding outlet.
Preferably, every bus connects 1-4 bar outlets respectively.
Technical solutions of the utility model, have the advantage that：
1. this utility model provides a kind of new main electrical scheme of double-bus, by arranging at least one power electronics transformation
Device, it is possible to achieve the two-way distributed in demand of trend, active reactive composite support, quality of power supply isolation and control, failure current limit etc.
Integrated control functions.Compared with the Main connection form of traditional transformer station's double-bus, this utility model is in traditional Main connection form
On the basis of incorporated power electronic equipment, possess flexibly it is controllable, the advantage such as be swift in response, and realizes a series of Comprehensive Control work(
Energy.
2. this utility model provides a kind of new main electrical scheme of double-bus, is provided with and cut-offs control between two buses
Device.When it is described cut-off controller use mother flexible controller when, the on off operating mode between two buses can not only be controlled, and
Flexible allocation of the trend between two buses can be realized.
3. this utility model provides a kind of new main electrical scheme of double-bus, and first transformator and the first breaking device connect
Connect, second transformator is connected with the second breaking device, when the breaking device adopts power electronics rapid on-off apparatus,
The quick excision of the system failure can be realized.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of Novel main wiring schematic diagram of double-bus；
Fig. 2 is the Novel main wiring schematic diagram that a kind of double-bus connects multiple transformators.
Wherein, reference is：
The first transformators of 11-, the first breaking devices of 12-, the first disconnecting switch of 13-, the second disconnecting switch of 14-；
The second transformators of 21-, the second breaking devices of 22-, the 3rd disconnecting switch of 23-, the 4th disconnecting switch of 24-；
15th, 17,25, the first bus isolating switch of 27-；
16th, 18,26, the second bus isolating switch of 28-；
Cut-off controller between the first buses of 3- and the second bus；
The first buses of 4-；
The second buses of 5-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
The connection of two element internals is can also be, can be wireless connection, or wired connection.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in this utility model can be understood with concrete condition.
As long as additionally, technical characteristic involved in this utility model different embodiments disclosed below is each other
Do not constitute conflict can just be combined with each other.
The present embodiment provides a kind of new main electrical scheme of double-bus, as shown in figure 1, including the first bus 4 and the second bus
5, every bus connects 4 outlets respectively.First transformator 11 is electric power electric transformer, and the first transformator 11 is cut-off with first
One end connection of device 12, the other end of the first breaking device 12 are connected, are passed through with the first bus 4 by the first disconnecting switch 13
Second disconnecting switch 14 is connected with the second bus 5.Be respectively arranged between first bus 4 and its corresponding outlet the first bus every
Pass 15 and 17 is left, the second bus isolating switch 16 and 18 between the second bus 5 and its corresponding outlet, is respectively arranged with.First
One end of bus isolating switch 15 and the second bus isolating switch 16 is respectively connected to the first bus 4 and the second bus 5, and the other end is simultaneously
After connecing, load equipment, power supply or energy storage device are accessed；First bus isolating switch 17 and the second bus isolating switch 18
One end is respectively connected to the first bus 4 and the second bus 5, the other end after connecing, and accesses load equipment, power supply or energy storage and sets
It is standby.
First transformator 11 adopts electric power electric transformer, in addition to traditional voltage transformation function is realized, is also capable of achieving tide
The integrated control functions such as the two-way distributed in demand, active reactive composite support, quality of power supply isolation and control, the failure current limit that flow.
First breaking device 12 and the first disconnecting switch 13, the second disconnecting switch 14 are used for controlling the first transformator 11 together
Whether first bus 4 and second bus 5 are accessed.For example, when the first breaking device 12 is connected, and the first disconnecting switch 13 is closed
When, the first transformator 11 accesses the first bus 4, transmits electric power to the first bus 4, is embodied as the negative of 4 other outlets of the first bus
Load equipment is powered；Or, by the power supply or the first disconnecting switch of energy storage device Jing 13 and first of 4 other outlets of the first bus
Breaking device 12 is powered to the first transformator 11.When the first breaking device 12 disconnects, the first transformator 11 stops female to first
Line 4 and the second bus 5 are powered；Or, the first bus 4 and the second bus 5 stop to the first transformator 11 powering.So as to realize tide
Flow the two-way flow in the first bus 4.
Be provided between the first bus 4 and the second bus 5 controller 3 is cut-off for getting in touch with two buses.When cut-offfing
Controller 3 uses power electronics rapid on-off apparatus or during regular circuit breakers, can control the first bus 4 and the second bus 5 it
Between on off operating mode.When the disconnection of controller 3 is cut-off, 5 fanout operation of the first bus 4 and the second bus；Close when controller 3 is cut-off
During conjunction, 5 paired running of the first bus 4 and the second bus.When using power electronics rapid on-off apparatus, system event can be realized
The quick excision of barrier.
Further, cut-off controller 3 and can also use mother flexible controller.When using mother flexible controller,
The on off operating mode between the first bus 4 and the second bus 5 can not only be controlled, and can realize trend between two buses
Flexible allocation.
Used as a concrete implementation mode, every bus can connect 1-4 bar outlets respectively, draw from bus herein
Line belongs to the bus outlet.Specifically, every bus connects 4 outlets respectively in the present embodiment.With the first bus 4 it is
Example, first outlet Jing of the first bus 4 are cut-off controller 3 and are connected with the second bus 5；The Article 2 outlet of the first bus 4 with
First disconnecting switch 13 connects；The Article 3 outlet of the first bus 4 is connected with the first bus isolating switch 15；First bus 4
Article 4 outlet is connected with the first bus isolating switch 17.
Alternatively implementation, on the basis of one transformator of above-mentioned setting, can also further extend and set
Put more transformators.For example, one or more second transformators 21, such as Fig. 2 are also included in the new main electrical scheme of the double-bus
It is shown.Second transformator 21 is connected with one end of the second breaking device 22, the other end of the second breaking device 22 by the 3rd every
Leave pass 23 be connected with the first bus 4, be connected with the second bus 5 by the 4th disconnecting switch 24.First bus 4 is corresponding with which
The first bus isolating switch 25 and 27 is respectively arranged between outlet, is respectively provided between the second bus 5 and its corresponding outlet
There is the second bus isolating switch 26 and 28.One end of first bus isolating switch 25 and the second bus isolating switch 26 is respectively connected to
First bus 4 and the second bus 5, the other end after connecing access load equipment, power supply or energy storage device；First bus every
Leave close 27 and second one end of bus isolating switch 28 be respectively connected to the first bus 4 and the second bus 5, the other end after connecing,
Access load equipment, power supply or energy storage device.Further, every bus can also arrange more outlets, to connect
Load equipment, power supply or energy storage device.
Second transformator 21 is conventional transformer or electric power electric transformer.When using electric power electric transformer, except reality
Outside existing traditional voltage transformation function, be also capable of achieving the two-way distributed in demand of trend, active reactive composite support, the quality of power supply every
From with the integrated control functions such as control, failure current limit.
Second breaking device 22 and the 3rd disconnecting switch 23, the 4th disconnecting switch 24 are used for controlling the second transformator 21 together
Whether first bus 4 and second bus 5 are accessed.For example, when the second breaking device 22 is connected, and the 3rd disconnecting switch 23 is closed
When, the second transformator 21 accesses the first bus 4, transmits electric power to the first bus 4, is embodied as the negative of 4 other outlets of the first bus
Load equipment is powered；Or, by the 3rd disconnecting switch 23 and second of power supply or energy storage device Jing of 4 other outlets of the first bus
Breaking device 22 is powered to the second transformator 21.When the second breaking device 22 disconnects, the second transformator 21 stops female to first
Line 4 and the second bus 5 are powered；Or, the first bus 4 and the second bus 5 stop to the second transformator 21 powering.So as to realize tide
Flow the two-way flow in the first bus 4.
First breaking device 12, the second breaking device 22 can partly or entirely use power electronics rapid on-off apparatus or
Regular circuit breakers.When breaking device adopts power electronics rapid on-off apparatus, it is possible to achieve the quick excision of the system failure.
The new main electrical scheme of the double-bus is with electric power electric transformer, mother flexible controller, power electronics quick-speed turning on-off
The primary equipments such as device partly or entirely replace traditional primary equipment, realize the new Main connection form of transformer station's double-bus.It is logical
Cross at least one electric power electric transformer of setting, it is possible to achieve the two-way distributed in demand of trend, active reactive composite support, electric energy
The integrated control functions such as quality isolation and control, failure current limit.It is provided between two buses and cut-offs controller.Open when described
When disconnected controller uses mother flexible controller, the on off operating mode between two buses can not only be controlled, and tide can be realized
Flow the flexible allocation between two buses.The transformator is connected with breaking device, when the breaking device adopts power electronics
During rapid on-off apparatus, it is possible to achieve the quick excision of the system failure.Compared with the Main connection form of traditional transformer station's double-bus,
This utility model has incorporated power electronic equipment on the basis of traditional Main connection form, possess flexibly it is controllable, be swift in response
Advantage, realizes a series of integrated control functions.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing the protection domain created still in this utility model.
Claims (9)
1. a kind of new main electrical scheme of double-bus, including the first bus and the second bus, every bus are respectively connecting to one less
Outlet, it is characterised in that at least include：
First transformator, first transformator is electric power electric transformer, first transformator and the first breaking device
One end connects, and the other end of first breaking device is connected with first bus by the first disconnecting switch, by second
Disconnecting switch is connected with second bus；
Be provided between first bus and second bus controller is cut-off for getting in touch with two buses.
2. main electrical scheme according to claim 1, it is characterised in that also including one or more the second transformators, described
Two transformators are connected with one end of the second breaking device, and the other end of second breaking device passes through the 3rd disconnecting switch and institute
State the connection of the first bus, be connected with second bus by the 4th disconnecting switch.
3. main electrical scheme according to claim 2, it is characterised in that second transformator is conventional transformer or electric power electricity
Sub- transformator.
4. the main electrical scheme according to any one of claim 1-3, it is characterised in that first breaking device and second is opened
Disconnected device partly or entirely uses power electronics rapid on-off apparatus or regular circuit breakers.
5. main electrical scheme according to claim 1, it is characterised in that the controller that cut-offs uses power electronics quick-speed turning on-off
Device or regular circuit breakers.
6. main electrical scheme according to claim 1, it is characterised in that the controller that cut-offs uses mother flexible controller,
The mother flexible controller is used to adjust the trend between two buses.
7. according to claim 1-3 or 5, or main electrical scheme any one of 6, it is characterised in that first bus and its
The first bus isolating switch is respectively arranged between corresponding outlet.
8. main electrical scheme according to claim 7, it is characterised in that between second bus and its corresponding outlet respectively
It is provided with the second bus isolating switch.
9. main electrical scheme according to claim 1, it is characterised in that every bus connects 1-4 bar outlets respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094232.9U CN206135211U (en) | 2016-09-29 | 2016-09-29 | Novel main wiring of double -bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094232.9U CN206135211U (en) | 2016-09-29 | 2016-09-29 | Novel main wiring of double -bus |
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| Publication Number | Publication Date |
|---|---|
| CN206135211U true CN206135211U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621094232.9U Active CN206135211U (en) | 2016-09-29 | 2016-09-29 | Novel main wiring of double -bus |
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| Country | Link |
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| CN (1) | CN206135211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149388A (en) * | 2017-06-16 | 2019-01-04 | 广东电网有限责任公司清远供电局 | A kind of substation's connecting structure for electrical equipment |
-
2016
- 2016-09-29 CN CN201621094232.9U patent/CN206135211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149388A (en) * | 2017-06-16 | 2019-01-04 | 广东电网有限责任公司清远供电局 | A kind of substation's connecting structure for electrical equipment |
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Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: State Grid Corporation of China Patentee after: Global energy Internet Institute, Inc. Address before: 102211 Beijing city Changping District Xiaotangshan town big East Village Road No. 270 Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE |