CN203225590U - main transformer on-load switch remote control device - Google Patents
main transformer on-load switch remote control device Download PDFInfo
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- CN203225590U CN203225590U CN 201320247844 CN201320247844U CN203225590U CN 203225590 U CN203225590 U CN 203225590U CN 201320247844 CN201320247844 CN 201320247844 CN 201320247844 U CN201320247844 U CN 201320247844U CN 203225590 U CN203225590 U CN 203225590U
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- 238000012545 processing Methods 0.000 claims description 20
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 238000007619 statistical method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a main transformer on-load switch remote control device, and relates to the technical field of power line maintenance devices. A power supply input end is divided into two paths through a normally-closed contact JC13 of a sudden stop relay, the first path is connected with a motor M through a normally-open contact JC11 of an ascending order relay, the second path is connected with the motor M through a normally-open contact JC12 of a descending order relay, one end of a control line L1 is connected to a power bus between the normally-closed contact JC13 and the normally-open contact JC11 or connected to a power bus between the normally-closed contact JC13 and the normally-open contact JC12, and the other end of the control line L1 is divided into three paths through leads. The device can realize remote control of turning-on and turning-off of an on-load tap-changer, and can prevent operating personnel from mishear an operating command and carrying out experimental operation, thereby improving experiment accuracy.
Description
Technical field
The utility model relates to power circuit maintenance unit technical field, relates in particular to a kind of main transformer loaded switch remote control.
Background technology
Main transformer is the nucleus equipment in the electric power system, and its various power failure tests directly influence the electric power feeding time of bed rearrangement transformer station than other equipment length consuming time.Data statistics shows that 220kV single transformer high voltage test was all finished average needs 4 people 4.5 hours; 110kV single transformer high voltage test was all finished average needs 3 people 3.5 hours, and a whole set of test is consuming time the longest.Further statistical analysis is found, the main transformer test time spent, mainly is consumed in and regulates loaded tap-off continually and open.For the 220kV transformer, its winding D.C. resistance test, short-circuit impedance, three tests of the excessive waveform of loaded switch all need frequent regulate main transformer on load tap changer, 56% when taking the chief engineer; For the 110kV transformer, 58% when then taking the chief engineer.Therefore, improve transformer loaded switch regulative mode, become and increase work efficiency, reduce the key of transformer bulk testing time spent significantly.
Be example with the 220kV transformer, the scene needs four-player, is respectively that operating personnel A, wiring personnel B, monitoring personnel C and loaded switch are regulated personnel D.Wherein A, B, C can not reduce, and the work of D is the position of regulating on load tap changer by the instruction that A sends, and the positional information after will adjusting feeds back to A.Winding D.C. resistance, short-circuit impedance, three tests of the excessive waveform of loaded switch need be regulated tap position more than 100 time, and action repeats single.Because loaded switch position and pilot region distance, environment is noisy when the cross-operation of multi-specialized many teams and groups, makes two of A, D transmit the aggravation of information difficulty, and be mainly reflected in: one, two people often need repeat to shout could determine a certain tap position for several times; Two, when a certain side listens wrong position, can test be gone on by wrong position, when finishing last tap, just can find, wasted a large amount of time therefrom.
The utility model content
Technical problem to be solved in the utility model provides a kind of main transformer loaded switch remote control, described device can the Long-distance Control on load tap changer opening and closing, can prevent from listening the operational order operation that experimentizes because of operating personnel mistake, improve the accuracy of testing.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of main transformer loaded switch remote control, comprise shell, it is characterized in that being provided with in the enclosure electric elements, the power input of described device connects the 380V power supply, power input is divided into two-way through anxious stopping behind the normally-closed contact JC13 of relay, and the first via meets motor M behind the normally opened contact JC11 of ascending order relay, and the second the tunnel meets motor M behind the normally opened contact JC12 of descending relay; The end of control line L1 is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC11 or is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC12, the other end of control line L1 is divided into three the tunnel through lead, the first via is ground connection behind the coil JC1 of ascending order switch S 1 and ascending order relay successively, the second tunnel ground connection behind the coil JC2 of descending switch S 2 and descending relay successively, Third Road is ground connection behind emergency stop switch S3 and the anxious coil JC3 that stops relay successively.
Preferably: described device also comprises data processing module and display module, the end of ascending order counter switch S11 connects the lead between the coil JC1 of ascending order switch S 1 and ascending order relay through lead, the other end of ascending order counter switch S11 is divided into two-way through lead, one the tunnel meets control line L1, and another road connects the input of data processing module; The end of descending counter switch S12 connects the lead between the coil JC2 of descending switch S 2 and descending relay through lead, the other end of descending counter switch S12 is divided into two-way through lead, and one the tunnel meets control line L1, and another road connects the input of data processing module; An end that suddenly stops counter switch S13 connects descending switch S 3 and urgency through lead and stops lead between the coil JC3 of relay, the other end that suddenly stops counter switch S13 is divided into two-way through lead, one the tunnel meets control line L1, another road connects the input of data processing module, and display module connects the output of data processing module.
Preferably: described motor M is asynchronous motor.
Preferably: described normally opened contact JC1, normally opened contact JC2 and normally-closed contact JC3 respectively comprise three contacts.
Preferably: described display module is LCDs.
The beneficial effect that adopts technique scheme to produce is: described device comprises an asynchronous motor, can finish to asynchronous motor energising or outage by relay and switch, thereby motor can be realized just changeing, reversing and do not work, then motor realize the Long-distance Control loaded switch closure, open and anxious stopping, therefore, the phenomenon of listening order owing to the mistake that operating personnel's distance far takes place can not occur, improve the accuracy of operating efficiency and experiment.In addition, described device also comprises data processing module and display module, on display module, can show to carry out which operation, and number of times that can calculating operation, experimental implementation is more directly perceived, has further improved the accuracy of operating efficiency and experiment.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of main transformer loaded switch remote control, comprise shell, be provided with electric elements in the enclosure, the power input of described device connects the 380V power supply, and power input is divided into two-way through anxious stopping behind the normally-closed contact JC13 of relay, and the first via meets motor M behind the normally opened contact JC11 of ascending order relay, the second the tunnel meets motor M behind the normally opened contact JC12 of descending relay, described motor M is asynchronous motor.
The end of control line L1 is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC11 or is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC12, the other end of control line L1 is divided into three the tunnel through lead, the first via is ground connection behind the coil JC1 of ascending order switch S 1 and ascending order relay successively, the second tunnel ground connection behind the coil JC2 of descending switch S 2 and descending relay successively, Third Road is ground connection behind emergency stop switch S3 and the anxious coil JC3 that stops relay successively, because power source bus has three, so described normally opened contact JC1, normally opened contact JC2 and normally-closed contact JC3 respectively comprise three contacts.
Described device also comprises data processing module and display module, the end of ascending order counter switch S11 connects the lead between the coil JC1 of ascending order switch S 1 and ascending order relay through lead, the other end of ascending order counter switch S11 is divided into two-way through lead, one the tunnel meets control line L1, and another road connects the input of data processing module; The end of descending counter switch S12 connects the lead between the coil JC2 of descending switch S 2 and descending relay through lead, the other end of descending counter switch S12 is divided into two-way through lead, and one the tunnel meets control line L1, and another road connects the input of data processing module; An end that suddenly stops counter switch S13 connects descending switch S 3 and urgency through lead and stops lead between the coil JC3 of relay, the other end that suddenly stops counter switch S13 is divided into two-way through lead, one the tunnel meets control line L1, another road connects the input of data processing module, display module connects the output of data processing module, and described display module can use LCDs.
When needs carry out the closed procedure of loaded switch, operating personnel press ascending order switch S 1, the coil JC1 of ascending order relay gets, normally opened contact JC11 closure, motor get electricly just changes main transformer loaded switch closure, press ascending order counter switch S11 then one time, data processing module is received information, will send to LCDs after the associated information calculation, demonstrates position that current main transformer loaded switch is in and the number of times of loaded switch closure.
When needs carry out the opening operation of loaded switch, operating personnel press descending switch S 2, the coil JC2 of descending relay gets, normally opened contact JC12 closure, motor gets electric counter-rotating, and the main transformer loaded switch is opened, press descending counter switch S12 then one time, data processing module is received information, will send to LCDs after the associated information calculation, demonstrates the number of times that position that current main transformer loaded switch is in and loaded switch are opened.
When fortuitous event occurring and need control loaded switch and be in current location, operating personnel at first press a priority and stop counter switch S13, data processing module is received information, to send to LCDs after the associated information calculation, demonstrate position that current main transformer loaded switch is in and the number of times of operation; Then, operating personnel press emergency stop switch S3, and the coil JC3 that suddenly stops relay gets electric, and normally-closed contact JC13 opens, the motor dead electricity, and the main transformer loaded switch is in current location.
Described device comprises an asynchronous motor, can finish to asynchronous motor energising or outage by relay and switch, thereby motor can be realized just changeing, reversing and do not work, then motor realize the Long-distance Control loaded switch closure, open and anxious stopping, therefore, the phenomenon of listening order owing to the mistake that operating personnel's distance far takes place can not occur, improve the accuracy of operating efficiency and experiment.In addition, described device also comprises data processing module and display module, on display module, can show to carry out which operation, and number of times that can calculating operation, experimental implementation is more directly perceived, has further improved the accuracy of operating efficiency and experiment.
Used specific case herein principle of the present utility model and execution mode thereof are set forth, the explanation of above embodiment is just with helping understand method of the present utility model and core concept thereof.Should be pointed out that for the person of ordinary skill of the art, can also carry out some improvement and modification to the utility model under the prerequisite that does not break away from the utility model principle, these improvement and modification also fall in the protection range of the utility model claim.
Claims (5)
1. main transformer loaded switch remote control, comprise shell, it is characterized in that being provided with in the enclosure electric elements, the power input of described device connects the 380V power supply, power input is divided into two-way through anxious stopping behind the normally-closed contact JC13 of relay, the first via meets motor M behind the normally opened contact JC11 of ascending order relay, the second tunnel meets motor M behind the normally opened contact JC12 of descending relay; The end of control line L1 is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC11 or is connected on the power source bus between normally-closed contact JC13 and normally opened contact JC12, the other end of control line L1 is divided into three the tunnel through lead, the first via is ground connection behind the coil JC1 of ascending order switch S 1 and ascending order relay successively, the second tunnel ground connection behind the coil JC2 of descending switch S 2 and descending relay successively, Third Road is ground connection behind emergency stop switch S3 and the anxious coil JC3 that stops relay successively.
2. a kind of main transformer loaded switch remote control according to claim 1, it is characterized in that described device also comprises data processing module and display module, the end of ascending order counter switch S11 connects the lead between the coil JC1 of ascending order switch S 1 and ascending order relay through lead, the other end of ascending order counter switch S11 is divided into two-way through lead, one the tunnel meets control line L1, and another road connects the input of data processing module; The end of descending counter switch S12 connects the lead between the coil JC2 of descending switch S 2 and descending relay through lead, the other end of descending counter switch S12 is divided into two-way through lead, and one the tunnel meets control line L1, and another road connects the input of data processing module; An end that suddenly stops counter switch S13 connects descending switch S 3 and urgency through lead and stops lead between the coil JC3 of relay, the other end that suddenly stops counter switch S13 is divided into two-way through lead, one the tunnel meets control line L1, another road connects the input of data processing module, and display module connects the output of data processing module.
3. a kind of main transformer loaded switch remote control according to claim 1 is characterized in that described motor M is asynchronous motor.
4. a kind of main transformer loaded switch remote control according to claim 1 is characterized in that described normally opened contact JC1, normally opened contact JC2 and normally-closed contact JC3 respectively comprise three contacts.
5. a kind of main transformer loaded switch remote control according to claim 1 is characterized in that described display module is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247844 CN203225590U (en) | 2013-05-09 | 2013-05-09 | main transformer on-load switch remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247844 CN203225590U (en) | 2013-05-09 | 2013-05-09 | main transformer on-load switch remote control device |
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| Publication Number | Publication Date |
|---|---|
| CN203225590U true CN203225590U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247844 Expired - Lifetime CN203225590U (en) | 2013-05-09 | 2013-05-09 | main transformer on-load switch remote control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245863A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Remote control device for main transformer load switch |
-
2013
- 2013-05-09 CN CN 201320247844 patent/CN203225590U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245863A (en) * | 2013-05-09 | 2013-08-14 | 国家电网公司 | Remote control device for main transformer load switch |
| CN103245863B (en) * | 2013-05-09 | 2016-02-03 | 国家电网公司 | A kind of remote control device for main transformer load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Hebei Electric Power Company Patentee after: Baoding Power Supply Branch Company, State Grid Hebei Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Hebei Electric Power Corporation Patentee before: Baoding Power Supply Company |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131002 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |