CN214899766U - Mobile substation replacement system capable of shortening power failure time - Google Patents
Mobile substation replacement system capable of shortening power failure time Download PDFInfo
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- CN214899766U CN214899766U CN202121778811.6U CN202121778811U CN214899766U CN 214899766 U CN214899766 U CN 214899766U CN 202121778811 U CN202121778811 U CN 202121778811U CN 214899766 U CN214899766 U CN 214899766U
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Abstract
The application relates to a mobile substation replacement system capable of shortening power failure time, which comprises a mobile bypass device and a safety isolation device, wherein the mobile bypass device comprises a mounting base, three passages are arranged on the mounting base in parallel, and each passage comprises a current input end, an isolation switch, a current transformer, an intelligent circuit breaker and a current output end which are sequentially communicated through a busbar; the current input end, the two ends of the isolating switch and the current output end are respectively provided with a post insulator; the isolating switch comprises a rotating shaft, an operating insulator and a conducting plate, wherein a connecting piece is arranged on the rotating shaft, one end of the operating insulator is hinged with the end part of the connecting piece, and the other end of the operating insulator is hinged with the conducting plate; the utility model discloses a set up and remove bypass device and safety isolation device, it is small, light in weight can realize advancing fast and having set up interim substitute circuit rapidly, has improved the power supply reliability, greatly reduced the power off time, is showing and is reducing construction cost.
Description
Technical Field
The utility model belongs to the technical field of power transmission and transformation, concretely relates to a professional equipment for transformer substation transformation, overhaul.
Background
The transformer substation plays an important role in providing stable power supply, needs power failure operation under the conditions of transformation, planned maintenance, troubleshooting, emergency and the like, and once power is cut off, the power restoration period is relatively long under the safe operation specification, and power can be supplied again only within ten hours, so that if the power utilization period is in a peak period (such as hot summer weather), failure occurs, such as planned power failure, the opinion of the masses is inevitably large. For medium and large-sized substations with standby intervals, short-time power failure can be realized by switching the standby intervals. And for the transformer substation in partial remote areas, spare intervals are not provided, only a single incoming line is provided, and power failure is very inconvenient after equipment fails.
Therefore, the mobile substation is a movable small-sized substation which is used as a temporary substation and is difficult to enter due to large volume; although the existing mobile substation has the function of bypass interval, the cost is high, the substation needs a large amount of technical personnel for switching operation in most cases, and the use, maintenance and lease costs are very high; in addition, the mobile substation is too large in size, cannot adapt to a small substation in a mountain area, is redundant in function, is long in station entering period and adjusting period, and cannot cope with emergency situations.
Therefore, a movable device which is convenient and rapid to build, small in size, low in cost and simple and convenient to maintain is needed to assist power failure maintenance.
Disclosure of Invention
The utility model aims at providing a build convenient rapid, construction cost low, convenient transportation, can effectively shorten the removal bypass of power off time.
In order to solve the technical problem, the utility model discloses a mobile substation replacement system capable of shortening the power failure time, which comprises a mobile bypass device and a safety isolation device for providing a safety distance, wherein the mobile bypass device comprises an installation base, three passages are arranged on the installation base in parallel, and each passage comprises a current input end, an isolation switch, a current transformer, an intelligent circuit breaker and a current output end which are sequentially communicated through a bus bar; a voltage transformer is also connected on a wire between the current input end and the isolating switch;
the safety isolation device comprises a fence and/or a support frame.
The current input end, the two ends of the isolating switch and the current output end are respectively provided with a post insulator;
the isolating switch comprises a rotating shaft, an operating insulator and a conducting plate, wherein a connecting piece is arranged on the rotating shaft, one end of the operating insulator is hinged with the end part of the connecting piece, and the other end of the operating insulator is hinged with the conducting plate; when the isolating switch is closed, the current conducting plate is communicated with the current input end and the current transformer.
Preferably, the safety isolation device is a retractable support frame with the height of not less than 2.5m after being unfolded.
Preferably, the intelligent circuit breaker further comprises an intelligent controller terminal, and the intelligent controller terminal is used for controlling the state of the intelligent circuit breaker and/or the disconnecting switch.
Preferably, a lightning arrester is further arranged on the current input end.
Preferably, one end of the rotating shaft is provided with a driving device, and the driving device comprises a motor or an operating handle.
Preferably, the current transformer is a multi-ratio current transformer.
Preferably, the voltage transformer is a three-phase five-column voltage transformer.
The utility model discloses a set up and remove bypass arrangement and safety isolation device, small, light in weight can realize quick arrival and establish interim substitute circuit rapidly, the multiple transformation ratio current transformer is suitable for different transformer substation secondary current output, the suitability is strong, the reliability of power supply has been improved, greatly reduced the power off time (power off time is steerable in two hours), solve single inlet wire, the difficult problem of power failure under the single condition of being qualified for the next round of competitions, construction cost is showing and has been reduced, the even running of powerful guarantee social production life.
Drawings
Fig. 1 is a schematic structural diagram of an alternative system of a mobile substation, which can shorten the power outage time.
Fig. 2 is a schematic structural diagram of a movement bypass device.
The reference numbers in the figures are: 1-installation base, 2-channel, 3-bus bar, 4-current input end, 5-isolating switch, 501-rotating shaft, 502-operation insulator, 503-conducting plate, 504-connecting piece, 505-driving device, 6-current transformer, 7-intelligent breaker, 8-current output end, 9-voltage transformer, 10-post insulator, 11-retractable support frame and 12-lightning arrester.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Examples
As shown in fig. 1-2, a mobile substation replacement system capable of shortening power outage time includes a mobile bypass device and a safety isolation device for providing a safety distance, wherein the mobile bypass device includes an installation base 1, three paths 2 are arranged on the installation base in parallel, and each path includes a current input end 4, an isolation switch 5, a current transformer 6, an intelligent circuit breaker 7 and a current output end 8 which are sequentially communicated through a busbar 3; a voltage transformer 9 is also connected on a lead between the current input end and the isolating switch;
the safety isolation device comprises a fence and/or a support frame. The fence is enclosed near the mobile bypass device to separate the outside from the mobile bypass device by enough safety distance; of course, it is preferable to support the movement bypass device to a high position by using a support frame.
The current input end, the two ends of the isolating switch and the current output end are respectively provided with a post insulator 10;
the isolating switch comprises a rotating shaft 501, an operating insulator 502 and a conducting plate 503, wherein the rotating shaft is provided with a connecting piece 504, one end of the operating insulator is hinged with the end part of the connecting piece, and the other end of the operating insulator is hinged with the conducting plate; when the isolating switch is closed, the current conducting plate is communicated with the current input end and the current transformer.
The safety isolation device is a retractable support frame 11 which is not lower than 2.5m high after being unfolded. The retractable support frame is adopted, so that the transportation is more convenient and the unfolding is faster; certainly also can build the support by the transformer substation, but generally speaking, it is comparatively troublesome to build the support again, and fastness, insulating nature etc. are difficult to ensure, adopt the support frame of standard allocation best.
The intelligent circuit breaker further comprises an intelligent controller terminal, and the intelligent controller terminal is used for controlling the state of the intelligent circuit breaker and/or the state of the isolating switch. The intelligent controller terminal can also be used for a deployment background to provide power supply state real-time monitoring, protection and the like.
And a lightning arrester 12 is also arranged on the current input end. In this embodiment, the arrester is installed in the side of keeping away from post insulator of current input end.
One end of the rotating shaft is provided with a driving device 505, in this embodiment, the driving device is a handle, but the driving device may also be a motor, and the motor is in signal connection with the intelligent controller terminal.
The current transformer is a multi-transformation ratio current transformer. The multi-transformation ratio current transformer is suitable for secondary current output of different transformer substations, so that the substitution system can adapt to various medium and small transformer substations, generally speaking, one city area is provided with 1-2 mobile bypasses, and the local use requirements can be met under general conditions.
The voltage transformer is a three-phase five-column voltage transformer.
During the use, will remove the transformer substation and replace the system and transport into the station, open the support, again with the three-phase electricity of transformer substation respectively with current input end, current output end connection, according to the operating specification with the transformer substation circuit switch to remove on the bypass device can.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (7)
1. A mobile substation replacement system capable of shortening power failure time is characterized by comprising a mobile bypass device and a safety isolation device for providing a safety distance, wherein the mobile bypass device comprises an installation base, three passages are arranged on the installation base in parallel, and each passage comprises a current input end, an isolation switch, a current transformer, an intelligent circuit breaker and a current output end which are sequentially communicated through a busbar; a voltage transformer is also connected on a wire between the current input end and the isolating switch;
the safety isolation device comprises a fence and/or a support frame;
the current input end, the two ends of the isolating switch and the current output end are respectively provided with a post insulator;
the isolating switch comprises a rotating shaft, an operating insulator and a conducting plate, wherein a connecting piece is arranged on the rotating shaft, one end of the operating insulator is hinged with the end part of the connecting piece, and the other end of the operating insulator is hinged with the conducting plate; when the isolating switch is closed, the current conducting plate is communicated with the current input end and the current transformer.
2. A mobile substation replacement system capable of reducing blackout time according to claim 1, wherein said safety isolation device is a retractable support frame not lower than 2.5m high after being deployed.
3. The mobile substation replacement system capable of reducing blackout time according to claim 1, further comprising an intelligent controller terminal for controlling the state of the intelligent circuit breaker and/or the disconnector.
4. The mobile substation replacement system capable of shortening blackout time according to claim 1, wherein a lightning arrester is further provided on the current input terminal.
5. The mobile substation replacement system capable of shortening blackout time according to claim 1, wherein a driving device is provided at one end of the rotating shaft, and the driving device comprises a motor or an operating handle.
6. The mobile substation replacement system capable of reducing blackout time according to claim 1, wherein the current transformer is a multi-ratio current transformer.
7. The mobile substation replacement system capable of reducing blackout time according to claim 1, wherein the voltage transformer is a three-phase five-column voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778811.6U CN214899766U (en) | 2021-07-31 | 2021-07-31 | Mobile substation replacement system capable of shortening power failure time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778811.6U CN214899766U (en) | 2021-07-31 | 2021-07-31 | Mobile substation replacement system capable of shortening power failure time |
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| Publication Number | Publication Date |
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| CN214899766U true CN214899766U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121778811.6U Active CN214899766U (en) | 2021-07-31 | 2021-07-31 | Mobile substation replacement system capable of shortening power failure time |
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2021
- 2021-07-31 CN CN202121778811.6U patent/CN214899766U/en active Active
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