CN204536470U - A kind of experimental provision testing transformer substation current transformer - Google Patents
A kind of experimental provision testing transformer substation current transformer Download PDFInfo
- Publication number
- CN204536470U CN204536470U CN201520255537.2U CN201520255537U CN204536470U CN 204536470 U CN204536470 U CN 204536470U CN 201520255537 U CN201520255537 U CN 201520255537U CN 204536470 U CN204536470 U CN 204536470U
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- connects
- accumulator
- current transformer
- interface
- transformer
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a kind of experimental provision testing transformer substation current transformer, it is characterized in that the rectification circuit (4) of its charging module (1) connects the AC power interface (3) be connected with 220V AC power (2) respectively, filtering circuit (5), filtering circuit (5) connects the accumulator (10) of battery module (7) by charging air switch (6), accumulator (10) is joint test switch (9) respectively, connect the DC voltage sample circuit (11) of display screen (12), the P1 end of current transformer (15), P2 end connects the both positive and negative polarity of the direct supply interface (8) be connected with test switch (9) respectively, S1 holds, S2 end connects the input of the electric current input interface (14) be connected with indicator type current meter (13) respectively, output terminal, the utility model reduces cost of labor, can the voltage status of Real-Time Monitoring accumulator, ensure that recycling of accumulator, improve work efficiency, safe and reliable.
Description
Technical field:
The utility model relates to a kind of experimental provision testing transformer substation current transformer, belongs to electric system substation equipment maintenance and repair technical field.
Background technology:
Current transformer is the important current transformation equipment of transformer station, and it exports the unique current Data Source as devices such as protection, measurement, meterings, has great importance to the safe and stable operation of transformer station and even whole electrical network.The polarity test of current transformer is an important tests of transformer station, can guarantee the exact connect ion in secondary current loop from data source header.Generally, current transformer polarity testing adopts direct method to carry out.Battery access current transformer primary side P1, P2, Current Transformer Secondary side S1, S2 accesss DC ammeter, connect loop, by observe close or cut-off switch time reometer the polarity of yawing moment differentiation current transformer.In traditional sense, this need of work two people has cooperatively interacted, and the accumulator in test can not judge virtual voltage state, reduces work efficiency.
Utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides one to reduce cost of labor, can the voltage status of Real-Time Monitoring accumulator, ensure that recycling of accumulator improves work efficiency, the experimental provision of safe and reliable test transformer substation current transformer.
Order of the present utility model can be reached by following measure: a kind of experimental provision testing transformer substation current transformer, it is characterized in that it comprises charging module, battery module, indicator type current meter, charging module comprises rectification circuit, filtering circuit, battery module comprises test switch, accumulator, DC voltage sample circuit, display screen, rectification circuit connects AC power interface respectively, filtering circuit, AC power interface connects 220V AC power, filtering circuit connects charging air switch, charging air switch connects accumulator, accumulator is joint test switch respectively, DC voltage sample circuit, DC voltage sample circuit connects display screen, test switch connects direct supply interface, indicator type current meter connects electric current input interface, the positive pole of the P1 termination direct supply interface of current transformer, the negative pole of the P2 termination direct supply interface of current transformer, the input end of the S1 termination electric current input interface of current transformer, the output terminal of the S2 termination electric current input interface of current transformer.
The utility model can produce following good effect compared with the prior art: the utility model is provided with special input, output interface, ensure that the reliably safe and simple of test connection method.The utility model one people can operate simultaneously, can complete the test of the polarity of current transformer fast, improve work efficiency; The utility model also effectively can monitor the voltage status of accumulator, reminds staff, when battery tension is too low, is charged fast by charging module to accumulator, ensure that recycling of accumulator.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: a kind of experimental provision (see Fig. 1) testing transformer substation current transformer, it comprises charging module 1, battery module 7, indicator type current meter 13, charging module 1 comprises rectification circuit 4, filtering circuit 5, battery module 7 comprises test switch 9, accumulator 10, DC voltage sample circuit 11, display screen 12, rectification circuit 4 connects AC power interface 3 respectively, filtering circuit 5, AC power interface 3 connects 220V AC power 2, filtering circuit 5 connects charging air switch 6, charging air switch 6 connects accumulator 10, accumulator 10 is joint test switch 9 respectively, DC voltage sample circuit 11, DC voltage sample circuit 11 connects display screen 12, test switch 9 connects direct supply interface 8, indicator type current meter 13 connects electric current input interface 14, by battery module 7 during test, indicator type current meter 13 and current transformer 15 carry out test connection, the positive pole of the P1 termination direct supply interface 8 of current transformer 15, the negative pole of the P2 termination direct supply interface 8 of current transformer 15.The input end of the S1 termination electric current input interface 14 of current transformer 15, the output terminal of the S2 termination electric current input interface 14 of current transformer 15.
When carrying out current transformer polarity testing, testing crew presses test switch 9, observe the pointed of indicator type current meter 13, when pointed anode, represent that secondary winding in current transformer wiring polarity is positive polarity, when pointed negative terminal, represent that secondary winding in current transformer wiring polarity is negative polarity.The voltage of accumulator 10, by voltage sampling circuit 11, is shown on display screen 12.When accumulator 10 brownout, charging module 1 pair of accumulator 10 can be used to charge, the alternating current of 220V 50Hz is through rectification circuit 4, and after filtering circuit 5, obtain the direct current of 242V, now, close charging air switch 6, charges to accumulator 10, the Long-Time Service of assurance device.
Claims (1)
1. test the experimental provision of transformer substation current transformer for one kind, it is characterized in that it comprises charging module (1), battery module (7), indicator type current meter (13), charging module (1) comprises rectification circuit (4), filtering circuit (5), battery module (7) comprises test switch (9), accumulator (10), DC voltage sample circuit (11), display screen (12), rectification circuit (4) connects AC power interface (3) respectively, filtering circuit (5), AC power interface (3) connects 220V AC power (2), filtering circuit (5) connects charging air switch (6), charging air switch (6) connects accumulator (10), accumulator (10) is joint test switch (9) respectively, DC voltage sample circuit (11), DC voltage sample circuit (11) connects display screen (12), test switch (9) connects direct supply interface (8), indicator type current meter (13) connects electric current input interface (14), the positive pole of P1 termination direct supply interface (8) of current transformer (15), the negative pole of P2 termination direct supply interface (8) of current transformer (15), the input end of S1 termination electric current input interface (14) of current transformer (15), the output terminal of S2 termination electric current input interface (14) of current transformer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255537.2U CN204536470U (en) | 2015-04-24 | 2015-04-24 | A kind of experimental provision testing transformer substation current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255537.2U CN204536470U (en) | 2015-04-24 | 2015-04-24 | A kind of experimental provision testing transformer substation current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536470U true CN204536470U (en) | 2015-08-05 |
Family
ID=53750456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255537.2U Expired - Fee Related CN204536470U (en) | 2015-04-24 | 2015-04-24 | A kind of experimental provision testing transformer substation current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764976A (en) * | 2015-04-24 | 2015-07-08 | 国家电网公司 | Experimental device for testing transformer substation current transformer |
-
2015
- 2015-04-24 CN CN201520255537.2U patent/CN204536470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764976A (en) * | 2015-04-24 | 2015-07-08 | 国家电网公司 | Experimental device for testing transformer substation current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160424 |