CN203632361U - Logic controlling device for 110kV line automatic bus transfer equipment - Google Patents
Logic controlling device for 110kV line automatic bus transfer equipment Download PDFInfo
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- CN203632361U CN203632361U CN201320879241.9U CN201320879241U CN203632361U CN 203632361 U CN203632361 U CN 203632361U CN 201320879241 U CN201320879241 U CN 201320879241U CN 203632361 U CN203632361 U CN 203632361U
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- transformer station
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- automatic switching
- bus transfer
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- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 2
- 241000233805 Phoenix Species 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The utility model discloses a logic controlling device for 110kV line automatic bus transfer equipment. The logic controlling device for the 110kV line automatic bus transfer equipment comprises at least two 220kV transformer stations which are a stand-by power supply to each other and a plurality of 110kV transformer stations connected in series between the two 220kV transformer stations. The logic controlling device also comprises a plurality of automatic bus transfer devices capable of receiving closing signals and a plurality of communication devices. Each 110kV transformer station is correspondingly provided with one automatic bus transfer device and one communication device. By means of the communication devices, communication connection is established among the automatic bus transfer devices of the transformer stations. By means of communication connection, the automatic bus transfer devices of the transformer stations can send the closing signals to one another, and thus communication among the automatic bus transfer devices is achieved. The automatic bus transfer devices of the transformer stations cooperate to each other in terms of logic control, so that a fact that switch detection non-voltage superposition of an upper level station is successful, simultaneous detection superposition of a lower level station is unsuccessful, and the whole lower level station is subjected to voltage loss is prevented.
Description
Technical field
The utility model relates to a kind of 110kV circuit backup power automatic switching device logic control device.
Background technology
At present, domestic electrical network part 110kV transformer station does not realize real dual power supply, not directly directly to draw electricity to a 110kV transformer station from two 220kV transformer stations, but Duo Zuo 110kV transformer station is serially connected in the middle of Liang Zuo 220kV transformer station, referred to as " handing in hand " formula closed loop line open loop operating structure, the Gai Liangzuo 220kV transformer station stand-by power supply of Gai Duozuo 110kV transformer station each other, therefore, these 110kV transformer stations that " hand in hand " formula serial connection are all single line operational mode, because circuit measure and control device under normal circumstances only allows synchronizing close in load side, if interconnection generation transient fault between standing, upper level station institute switch is examined successful reclosing with no pressure (mains side), next stage likely unsuccessful reclosing (load side) same period that station is examined, this just likely causes next stage station institute no-voltage of entire station.
Utility model content
The utility model provides a kind of 110kV circuit backup power automatic switching device logic control device, it has overcome in background technology, circuit transient fault, upper level station institute switch is examined successful reclosing with no pressure, and next stage same period that station is examined, likely unsuccessful reclosing caused the shortcoming of next stage station institute no-voltage of entire station.
The technical scheme adopting that the utility model solves its technical problem is:
110kV circuit backup power automatic switching device logic control device, it comprise at least two each other stand-by power supply 220kV transformer station and be serially connected in the Duo Zuo 110kV transformer station between Gai Liang 220kV transformer station, also comprise multiple backup auto-activating device and multiple communication devices that can receive switching signal, Gai Meizuo 110kV transformer station respectively correspondence is equipped with a backup auto-activating device and a communication device, make by communication device to establish a communications link between the backup auto-activating device of transformer station, make by communication connection can mutually send switching signal to the other side between the backup auto-activating device of transformer station.
Among one embodiment: this backup auto-activating device comprises multiple circuit breakers, can receive switching signal and automatic switching controller and motor-operating mechanism according to switching signal generation control command, the plurality of circuit breaker is connected on the electric connection line between inlet wire bus, bus and two transformer stations of this transformer station, this automatic switching controller signal connects this motor-operating mechanism, this motor-operating mechanism electricity connects the plurality of circuit breaker, and motor-operating mechanism is according to control command control circuit breaker.
Among one embodiment: this communication device comprises fiber transmission device, photoelectric conversion device and pulse code modulator, this fiber transmission device light signal connects this photoelectric conversion interface device, this photoelectric conversion interface device signal of telecommunication connects this pulse code modulator, and this pulse code modulator signal connects this backup auto-activating device.
Among one embodiment: adopt optical-fibre communications to connect between the backup auto-activating device of this transformer station of the superior and the subordinate.
Among one embodiment: this motor-operating mechanism is relay module.
Among one embodiment: this pulse code modulator connects this backup auto-activating device by RS485 rs 232 serial interface signal.
The technical program is compared with background technology, and its tool has the following advantages:
110kV circuit backup power automatic switching device logic control device, also comprise multiple backup auto-activating devices and multiple communication device, Gai Meizuo 110kV transformer station respectively correspondence is equipped with a backup auto-activating device and a communication device, between the backup auto-activating device of this transformer station of the superior and the subordinate, communicate to connect by communication device, realize communication between the station of backup auto-activating device, backup auto-activating device between each station is worked in coordination in logic control, avoid upper level station institute switch to examine successful reclosing with no pressure, the next stage next stage station institute no-voltage of entire station that the same period that station is examined, unsuccessful reclosing caused.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 has illustrated the overall schematic of this 110kV circuit backup power automatic switching device logic control device.
Fig. 2 has illustrated the schematic diagram of this backup auto-activating device.
Fig. 3 has illustrated the application circuit schematic diagram of this 110kV circuit backup power automatic switching device logic control device.
Embodiment
Please refer to Fig. 1 to Fig. 3, 110kV circuit backup power automatic switching device logic control device, it comprise at least two each other stand-by power supply 220kV transformer station and be serially connected in the Duo Zuo 110kV transformer station between Gai Liang 220kV transformer station, also comprise multiple backup auto-activating device 1 and multiple communication devices 2 that can receive switching signal, Gai Meizuo 110kV transformer station respectively correspondence is equipped with a backup auto-activating device 1 and a communication device 2, make by communication device 2 to establish a communications link between the backup auto-activating device 1 of transformer station, make by communication connection can mutually send switching signal to the other side between the backup auto-activating device 1 of transformer station, consult Fig. 1.
Best, the communication mode between the backup auto-activating device 1 of this transformer station is optical fiber communication.
This backup auto-activating device 1 comprises multiple circuit breakers 11, can receive switching signal and automatic switching controller 12 and motor-operating mechanism 13 according to switching signal generation control command, this automatic switching controller 12 is single-chip microcomputer or dsp processor, the plurality of circuit breaker 11 is connected to the inlet wire bus of this transformer station, bus, and two on connecting line between transformer station, these automatic switching controller 12 signals connect this motor-operating mechanism 13, these motor-operating mechanism 13 electricity connect the plurality of circuit breaker 11, and motor-operating mechanism 13 is according to control command control circuit breaker 11, in one preferred version, this motor-operating mechanism 13 is relay module, consult Fig. 2.
This communication device 2 comprises fiber transmission device 21, photoelectric conversion interface device 22 and pulse code modulator 23(PCM device), these fiber transmission device 21 light signals connect this photoelectric conversion device 22, these photoelectric conversion interface device 22 signals of telecommunication connect this pulse code modulator 23(PCM device), this pulse code modulator 23(PCM device) signal connects this backup auto-activating device 1, particularly, this pulse code modulator 23(PCM device) connect this backup auto-activating device 1 by RS485 rs 232 serial interface signal.
In a specific embodiment of above-mentioned 110kV circuit backup power automatic switching device logic control device: consult Fig. 3, Fengcheng City at Fujian Longyan becomes, dragon's pool becomes, Qi Ling become each configuration backup auto-activating device (model into: PSP641U) one, one of fiber transmission device (model is: GXC-01), one of photoelectric conversion device (model is: GXC-2M), one, PCM device, setting up Fengcheng City becomes, the local area network (LAN) of optical-fibre communications each other between the backup auto-activating device that dragon's pool Bian Heqi ridge becomes, Fengcheng City becomes, dragon's pool becomes, qi ridge sign-alternating closes " handing in hand " formula closed loop line open loop operating structure, the electric connection line that this Fengcheng City becomes between dragon's pool change is phoenix pool line, electric connection line between this dragon's pool Bian Heqi ridge becomes is pool qi line, 110kV circuit backup power automatic switching device logic control device based on above-mentioned,
Dragon's pool become prepared auto restart (BZT1) logic into:
A) charge condition:
-I bus, the equal three-phase of II bus have pressure, and working line UL1 has pressure;
-134 in co-bit, 130 co-bits;
Through 10 " after charged.
B) discharging condition:
-134 inlet wire UL1 time delay 9s electric discharge with no pressure;
-hand jumps 134,133; (hand jumper connection point be connected to locking always open into)
-other outside block signal.
C) action logic is: after charging completes
When phoenix pool line generation transient fault, when after the success of phoenix pool line reclosing:
-busbar voltage is lower than low pressure definite value, and 134 inlet wires are without stream, and in open position, through T1 time delay tripping 133 and small power supply switch;
-134 inlet wire UL1 have pressure, and bus is with no pressure, close 134 through T2 time delay;
-bus has pressure, and 133 in a point position, and 133 inlet wire UL2 are with no pressure, and receives that the combined floodgate of BZT2 allows signal, closes 133 through T3 time delay.
Qi Ling becomes prepared auto restart logic:
D) charge condition:
-bus has pressure;
-151 in co-bit;
Through 10 " after charged.
E) discharging condition:
-hand jumps 151; (hand jumper connection point be connected to locking always open into)
-other outside block signal.
F) action logic is: after charging completes
Phoenix pool line generation transient fault, when after the success of phoenix pool line reclosing:
-busbar voltage is lower than low pressure definite value, and 151 inlet wires are without stream, through T1 time delay tripping 153,154 and small power supply switch;
-bus is with no pressure, and circuit is with no pressure, through T2 time delay close 151 and to BZT1 send out close a floodgate allow signal.
Pool qi line generation transient fault, when after the success of pool qi line reclosing:
-busbar voltage is lower than low pressure definite value, and 151 inlet wires are without stream, and 151 in open position, through T1 time delay tripping 153,154 and small power supply switch;
-bus is with no pressure, and working line UL1 has pressure, closes 151 through T2 time delay.
Wherein: 130,133,134 for being installed in the killer switch of dragon's pool change side, and 151,154,155 become the killer switch of side for being installed in Qi Ling.
The backup auto-activating device of transformer station to this transformer station whether the electric Real-Time Monitoring that carries out, this backup auto-activating device carries out logic judgement according to Real-Time Monitoring situation and controls the break-make of circuit breaker, and communicate by letter each other and send switching signal in conjunction with backup auto-activating device between the superior and the subordinate, the partial condition that the backup auto-activating device of reception switching signal judges this switching signal as logic, make the backup auto-activating device formation logic of station institute of the superior and the subordinate interconnected, thereby make because the unsuccessful next stage of reclosing station switches on power again safely.
The above, it is only the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (6)
1.110kV circuit backup power automatic switching device logic control device, comprise at least two each other stand-by power supply 220kV transformer station and be serially connected in the Duo Zuo 110kV transformer station between Gai Liang 220kV transformer station, it is characterized in that: also comprise multiple backup auto-activating device and multiple communication devices that can receive switching signal, Gai Meizuo 110kV transformer station respectively correspondence is equipped with a backup auto-activating device and a communication device, make by communication device to establish a communications link between the backup auto-activating device of transformer station, make by communication connection can mutually send switching signal to the other side between the backup auto-activating device of transformer station.
2. 110kV circuit backup power automatic switching device logic control device according to claim 1, it is characterized in that: this backup auto-activating device comprises multiple circuit breakers, can receive switching signal and automatic switching controller and motor-operating mechanism according to switching signal generation control command, the plurality of circuit breaker is connected on the electric connection line between inlet wire bus, bus and two transformer stations of this transformer station, this automatic switching controller signal connects this motor-operating mechanism, this motor-operating mechanism electricity connects the plurality of circuit breaker, and motor-operating mechanism is according to control command control circuit breaker.
3. 110kV circuit backup power automatic switching device logic control device according to claim 1, it is characterized in that: this communication device comprises fiber transmission device, photoelectric conversion interface device and pulse code modulator, this fiber transmission device light signal connects this photoelectric conversion device, this photoelectric conversion interface device signal of telecommunication connects this pulse code modulator, and this pulse code modulator signal connects this backup auto-activating device.
4. 110kV circuit backup power automatic switching device logic control device according to claim 1, is characterized in that: the backup auto-activating device of Gai Duozuo transformer station adopts optical-fibre communications between any two.
5. 110kV circuit backup power automatic switching device logic control device according to claim 2, is characterized in that: this motor-operating mechanism is relay module.
6. 110kV circuit backup power automatic switching device logic control device according to claim 3, is characterized in that: this pulse code modulator connects this backup auto-activating device by RS485 rs 232 serial interface signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879241.9U CN203632361U (en) | 2013-12-27 | 2013-12-27 | Logic controlling device for 110kV line automatic bus transfer equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879241.9U CN203632361U (en) | 2013-12-27 | 2013-12-27 | Logic controlling device for 110kV line automatic bus transfer equipment |
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| CN203632361U true CN203632361U (en) | 2014-06-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410165A (en) * | 2014-12-12 | 2015-03-11 | 新奥科技发展有限公司 | Micro-network interconnection method and system |
| CN105322645A (en) * | 2015-12-06 | 2016-02-10 | 江苏省电力公司宿迁供电公司 | Call wire bi-directional backup system |
| CN108963958A (en) * | 2018-06-29 | 2018-12-07 | 南京南瑞继保电气有限公司 | A kind of decompression spare power automatic switching system and starting method |
| CN114243887A (en) * | 2021-12-23 | 2022-03-25 | 天津凯发电气股份有限公司 | Bus-tie spare power automatic switching method for urban rail transit intelligent transformer substation |
-
2013
- 2013-12-27 CN CN201320879241.9U patent/CN203632361U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410165A (en) * | 2014-12-12 | 2015-03-11 | 新奥科技发展有限公司 | Micro-network interconnection method and system |
| CN105322645A (en) * | 2015-12-06 | 2016-02-10 | 江苏省电力公司宿迁供电公司 | Call wire bi-directional backup system |
| CN108963958A (en) * | 2018-06-29 | 2018-12-07 | 南京南瑞继保电气有限公司 | A kind of decompression spare power automatic switching system and starting method |
| CN114243887A (en) * | 2021-12-23 | 2022-03-25 | 天津凯发电气股份有限公司 | Bus-tie spare power automatic switching method for urban rail transit intelligent transformer substation |
| CN114243887B (en) * | 2021-12-23 | 2024-03-29 | 天津凯发电气股份有限公司 | Method for bus-tie spare power automatic switching of intelligent substation for urban rail transit |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20201227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |