CN205389103U - Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet - Google Patents
Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet Download PDFInfo
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- CN205389103U CN205389103U CN201620139545.5U CN201620139545U CN205389103U CN 205389103 U CN205389103 U CN 205389103U CN 201620139545 U CN201620139545 U CN 201620139545U CN 205389103 U CN205389103 U CN 205389103U
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- power supply
- bus
- cabinet
- supply zone
- transformer station
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Abstract
The utility model discloses a device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet, including a plurality of power supply zone, be provided with a plurality of transformer substations among every power supply zone, every transformer substation includes a generating line, draws forth many feeders by every generating line, connects the power consumption facility, still include interval cable, the generating line of transformer substation that will be adjacent links together, be provided with all the way among every power supply zone or the two power supply power, between the two power supply power, be provided with female cabinet that allies oneself with on the generating line, adjacent power supply zone is cable junction between the key -in region also, and is provided with the contact cabinet on the interval cable between the adjacent power supply zone, install the killer switch in the contact cabinet, dispose F35 protect relay. The utility model discloses can be when line fault, busbar fault or feeder failure to trip trouble take place for single busbar power supply system, behind the tripping inlet wire cabinet circuit breaker excision fault section, realize the contact cabinet and haul oneself willingly into, the power supply resumes at once, satisfy unattended requirement.
Description
Technical field
This utility model relates to the urban transportation protection device, is specifically related to a kind of the urban transportation single busbar and powers contact cabinet automatic bus.
Background technology
In the urban transportation, when there is line fault, bus-bar fault or feeder breaker tripping fault in traditional 35kv/10kv single busbar electric power system, tripping incoming line cabinet chopper excises fault section.Need afterwards manually to close contact cabinet breaker, 35kv/10kv could be recovered and power.It is longer that this results in the 35kv/10kv system blackout time, and each station needs to be equipped with operator on duty, and this requires unattended contradicting with modern management.
Utility model content
For the deficiencies in the prior art, the utility model discloses a kind of the urban transportation single busbar and power contact cabinet automatic bus.
The technical solution of the utility model is as follows:
A kind of the urban transportation single busbar is powered and is got in touch with cabinet automatic bus, including multiple power supply zones；Each power supply zone is provided with multiple transformer station；Each transformer station includes a bus, every bus draw many feeder lines, connects electricity consumption facility；Also include interval cable, the bus of adjacent transformer station is linked together；Each power supply zone is provided with a road or duplex feeding power supply；If being provided with duplex feeding power supply, in duplex feeding plant-grid connection power supply zone on the bus of the first transformer station, and between duplex feeding power supply, be provided with mother cabinet on bus；Connect also by interval cable between bus and the bus of tail end transformer station of the head end transformer station in adjacent power supply zone, and the interval cable between adjacent power supply zone is provided with contact cabinet；Described contact cabinet is provided with killer switch, described killer switch is configured with F35 protective relay.
Advantageous Effects of the present utility model is:
1, this utility model can when 35kv/10kv single busbar electric power system generation line fault, bus-bar fault or feeder breaker tripping fault, after tripping incoming line cabinet chopper excision fault section, realize contact cabinet to haul oneself willingly into, recover 35kv/10kv at once and power, meet unwatched requirement.
2, this utility model can shorten the fault outage time, in prior art, if having people station on duty, power off time at least 15 minutes；At unattended station, power off time was more than 1 hour.And this utility model can be implemented in 1 second and restores electricity.
3, this utility model saves human cost, and in the prior art, it is desirable to have people's supervision interlock circuit on duty, and this utility model can run automatically.
4, this utility model saves cost, and single busbar electric power system, due to the slow problem that restores electricity, is replaced by double-bus electric power system in a lot of mega projects.And this utility model achieves single busbar electric power system fast recovery of power supply, it is ensured that the reliability service of single busbar electric power system.The equipment manufacturing cost of single busbar electric power system only needs the half of double-bus electric power system.
Accompanying drawing explanation
Fig. 1-a is a part of circuit diagram of the present utility model.
Fig. 1-b is another part circuit diagram of the present utility model.
Fig. 2 is killer switch logical schematic.
Detailed description of the invention
Fig. 1-a is a part of circuit diagram of the present utility model.Fig. 1-b is another part circuit diagram of the present utility model.The symbol 1. place that in Fig. 1-a, 1. the symbol of right-hand member is located with Fig. 1-b left end is connected.
As shown in Fig. 1-a, Fig. 1-b, the present embodiment includes three power supply zones, the first power supply zone and the second power supply zone and includes four transformer stations, and the 3rd power supply zone includes Liang Ge transformer station.
Each transformer station 1 includes a bus 7, bus 7 draw many feeder lines 2, and feeder line 2 connects electricity consumption facility.Also include interval cable 5, the bus 7 of adjacent transformer station is linked together.
In first power supply zone and the second power supply zone, each power supply zone includes duplex feeding power supply 6, is linked on the bus 7 of the first transformer station in this power supply zone, and is additionally provided with mother cabinet 3 between duplex feeding power supply 6, on bus 7.In the present embodiment, the first power supply zone includes duplex feeding power supply, respectively power supply 1# and power supply 2#, is connected on the bus of the first transformer station of the first power supply zone, between power supply 1# and power supply 2#, is additionally provided with mother cabinet on bus.Second power supply zone includes duplex feeding power supply, respectively power supply 3# and power supply 4#, is connected on the bus of the first transformer station of the second power supply zone, between power supply 3# and power supply 4#, is additionally provided with mother cabinet on bus.
3rd power supply zone includes a road power supply 6, for power supply 5#, is connected on the bus of the first transformer station of the 3rd power supply zone.
Connect also by interval cable 5 between adjacent power supply zone, the bus of the bus of the head end transformer station of previous power supply zone and the tail end transformer station of later power supply zone is linked together by interval cable 5, and is provided with contact cabinet 4 on the interval cable 5 between adjacent power supply zone.
In the present embodiment, the interval cable between the first power supply zone and the second power supply zone is provided with contact cabinet；The interval cable of the second power supply zone and the 3rd power supply zone is also equipped with contact cabinet.
Being provided with killer switch in contact cabinet, killer switch is configured with F35 protective relay, F35 protective relay according to the relevant information of power source change, can change and disconnect and the state of Guan Bi, complete to haul oneself willingly into function.
Under normal condition, the killer switch in contact cabinet 4 is all off-state.In conjunction with Fig. 1-a and Fig. 1-b, for the present embodiment, at the first power supply zone, power supply 1# powers to three feeder lines on the left of mother cabinet, and power supply 2# powers to a feeder line on the right side of mother cabinet and the other three transformer station.At the second power supply zone, power supply 3# powers to the Liang Ge transformer station of three feeder lines on the left of mother cabinet and left side, and power supply 4# powers to a transformer station of a feeder line on the right side of mother cabinet and right side.In the 3rd power supply interval, power supply 5# powers to the Liang Ge transformer station in the 3rd power supply interval.
Killer switch in contact cabinet 4 is equipped with F35 protective relay.When line fault, bus-bar fault or feeder breaker tripping fault, killer switch receives the information of change in voltage, and F35 protective relay according to the relevant information of power source change, can change and disconnect and the state of Guan Bi, complete to haul oneself willingly into function.
Fig. 2 be contact cabinet breaker switch haul oneself willingly into logical schematic.As shown in Figure 1 and Figure 2, under normal condition, each power supply interval is powered by the power supply in this interval.When this road power supply fault or power failure, the killer switch in contact cabinet between power supply interval completes to haul oneself willingly into function, adjacent interval provide power supply to fault section.
Such as in FIG, in first power supply interval, the interval cable 5 between the second transformer station and the 3rd transformer station on the right side of mother cabinet breaks down, then the killer switch 51 of interval cable 5 both sides disconnects, 3rd transformer station and the 4th transformer station lose power supply, now the F35 protective relay on the contact cabinet 4 of the 4th transformer station detects the equal decompression of left and right sides bus of mother cabinet 3, and contact cabinet 4 detects its adjacent interval simultaneously, namely the cable that the second power supply is interval has pressure, therefore the F35 protective relay in contact cabinet 4 will send and haul oneself willingly into order, killer switch in contact cabinet is from separately becoming Guan Bi, in first power supply interval, the transformer station of decompression can by its second adjacent power supply interval power supply, namely the 3rd transformer station and the 4th transformer station are continued power supply by power supply 3#.
Above-described is only preferred implementation of the present utility model, and this utility model is not limited to above example.It is appreciated that the oher improvements and changes that those skilled in the art directly derive under the premise without departing from spirit of the present utility model and design or associate, is all considered as being included within protection domain of the present utility model.
Claims (1)
1. a urban transportation single busbar is powered and is got in touch with cabinet automatic bus, it is characterised in that: include multiple power supply zone；Each power supply zone is provided with multiple transformer station；Each transformer station includes a bus, every bus draw many feeder lines, connects electricity consumption facility；Also include interval cable, the bus of adjacent transformer station is linked together；Each power supply zone is provided with a road or duplex feeding power supply；If being provided with duplex feeding power supply, in duplex feeding plant-grid connection power supply zone on the bus of the first transformer station, and between duplex feeding power supply, be provided with mother cabinet on bus；Connect also by interval cable between bus and the bus of tail end transformer station of the head end transformer station in adjacent power supply zone, and the interval cable between adjacent power supply zone is provided with contact cabinet；Described contact cabinet is provided with killer switch, described killer switch is configured with F35 protective relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139545.5U CN205389103U (en) | 2016-02-24 | 2016-02-24 | Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139545.5U CN205389103U (en) | 2016-02-24 | 2016-02-24 | Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205389103U true CN205389103U (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620139545.5U Active CN205389103U (en) | 2016-02-24 | 2016-02-24 | Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet |
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| CN (1) | CN205389103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137963A (en) * | 2019-06-22 | 2019-08-16 | 山东兰德勘察设计有限公司 | Distribution system power-off self-recovery method |
| CN112448375A (en) * | 2019-08-29 | 2021-03-05 | 比亚迪股份有限公司 | Power supply automatic switching method, monitoring system and track medium-voltage ring network system |
-
2016
- 2016-02-24 CN CN201620139545.5U patent/CN205389103U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137963A (en) * | 2019-06-22 | 2019-08-16 | 山东兰德勘察设计有限公司 | Distribution system power-off self-recovery method |
| CN112448375A (en) * | 2019-08-29 | 2021-03-05 | 比亚迪股份有限公司 | Power supply automatic switching method, monitoring system and track medium-voltage ring network system |
| CN112448375B (en) * | 2019-08-29 | 2022-04-15 | 比亚迪股份有限公司 | Power supply automatic switching method, monitoring system and track medium-voltage ring network system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic switching device of single bus power supply liaison cabinet of rail transit power supply system Effective date of registration: 20211213 Granted publication date: 20160720 Pledgee: Bank of Nanjing Co.,Ltd. Wuxi sub branch Pledgor: WUXI KEHUAN AUTOMATION EQUIPMENT Co.,Ltd. Registration number: Y2021320010549 |