CN204331009U - Electric power mutual-inductor calibration equipment - Google Patents
Electric power mutual-inductor calibration equipment Download PDFInfo
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- CN204331009U CN204331009U CN201420741906.4U CN201420741906U CN204331009U CN 204331009 U CN204331009 U CN 204331009U CN 201420741906 U CN201420741906 U CN 201420741906U CN 204331009 U CN204331009 U CN 204331009U
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- 238000012795 verification Methods 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a kind of electric power mutual-inductor calibration equipment, it comprises verification platform, standard current transformer is embedded on verification platform, verification platform is provided with the primary current binding post and secondary current binding post that are connected with standard current transformer, and several tested current transformers are arranged on verification platform exterior; Several tested current transformer primary current connecting lines join end to end successively, form a phase strain ratio and to contact the closed loop of several current transformers; Primary current binding post L1 on verification platform is connected with the primary current binding post P1 of first tested current transformer, primary current binding post L2 is connected with the primary current binding post P2 of last tested current transformer, and the secondary current binding post of the many groups secondary current binding post current transformer tested with several respectively on verification platform is connected.The utility model enables operating personnel disconnect line quickly and easily, safe and reliable, saves checking time.
Description
Technical field
The utility model relates to transducer check technical field, especially relates to a kind of electric power mutual-inductor calibration equipment.
Background technology
At present, in Construction of Intercity Network, electric power mutual-inductor is widely used in high and low voltage electric distribution circuit, for collection or the metering of electric power.In recent years, flourish along with national economy, urban planning layout is increasingly mature, and power load increases sharply, the test efficiency of mutual inductor test unit, certainly will will affect original and newly-built city net capacity-increasing transformation.Because mutual inductor uses in groups, usage quantity is larger.Therefore, a kind of device meeting many transducer checks is badly in need of.
Summary of the invention
For solving the problem, the purpose of this utility model is to provide a kind of electric power mutual-inductor calibration equipment, and it uses simple, is easy to operation, does not destroy the experimental performance of original calibration equipment, can improve verification efficiency.
For achieving the above object, the utility model adopts following technical scheme:
A kind of electric power mutual-inductor calibration equipment, it comprises verification platform, standard current transformer is embedded on verification platform, and verification platform is provided with the primary current binding post and secondary current binding post that are connected with standard current transformer, and several tested current transformers are arranged on verification platform exterior; Several tested current transformer primary current connecting lines join end to end successively, and form a phase strain ratio and to contact the closed loop of several current transformers, secondary current connecting line is stopped using; Primary current binding post L1 on verification platform is connected with the primary current binding post P1 of first tested current transformer in several tested current transformers above-mentioned, primary current binding post L2 is connected with the primary current binding post P2 of last the tested current transformer in several tested current transformers above-mentioned, and secondary current binding post S1, the S2 of many groups secondary current binding post K1, K2 current transformer tested with several respectively on verification platform are connected.
Owing to adopting technical scheme as above, the utility model has following superiority:
This electric power mutual-inductor calibration equipment, its structure is simple, is easy to make, easy to operate, operating personnel can disconnect line quickly and easily, safe and reliable, can save 2/3 checking time, the general N of save power subtracts 1 times, and N is the quantity once verifying tested current transformer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1-verifies platform.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, this electric power mutual-inductor calibration equipment, it comprises verification platform 1, verification platform is electric power mutual-inductor checking table of the prior art, structure does not change, standard current transformer is embedded on verification platform, verification platform is provided with the primary current binding post and secondary current binding post that are connected with standard current transformer, several tested current transformers are arranged on verification platform exterior, several tested current transformers be tested current transformer T1, tested current transformer T2 ... tested current transformer Tn; Several tested current transformer primary current connecting lines join end to end successively, and form a phase strain ratio and to contact the closed loop of several current transformers, secondary current connecting line is stopped using; Primary current binding post L1 on verification platform is connected with the primary current binding post P1 of first tested current transformer in several tested current transformers above-mentioned, primary current binding post L2 is connected with the primary current binding post P2 of last the tested current transformer in several tested current transformers above-mentioned, and secondary current binding post S1, the S2 of many groups secondary current binding post K1, K2 current transformer tested with several respectively on verification platform are connected.
Above-mentioned tested current transformer primary current connecting line no-load voltage ratio is different, and the connecting line of employing is different, should meet the requirement of wire diameter; Described tested Current Transformer Secondary electric current connecting line length, wire diameter should be consistent, and length is generally not more than 2 meters, the requirement of equality circuit verification simultaneously.
Claims (1)
1. an electric power mutual-inductor calibration equipment, it comprises verification platform, standard current transformer is embedded on verification platform, verification platform is provided with the primary current binding post and secondary current binding post that are connected with standard current transformer, it is characterized in that: several tested current transformers are arranged on verification platform exterior, several tested current transformer primary current connecting lines join end to end successively, form a phase strain ratio to contact the closed loop of several current transformers, secondary current connecting line is stopped using; Primary current binding post L1 on verification platform is connected with the primary current binding post P1 of first tested current transformer in several tested current transformers above-mentioned, primary current binding post L2 is connected with the primary current binding post P2 of last the tested current transformer in several tested current transformers above-mentioned, and secondary current binding post S1, the S2 of many groups secondary current binding post K1, K2 current transformer tested with several respectively on verification platform are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741906.4U CN204331009U (en) | 2014-12-02 | 2014-12-02 | Electric power mutual-inductor calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741906.4U CN204331009U (en) | 2014-12-02 | 2014-12-02 | Electric power mutual-inductor calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331009U true CN204331009U (en) | 2015-05-13 |
Family
ID=53167356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741906.4U Expired - Fee Related CN204331009U (en) | 2014-12-02 | 2014-12-02 | Electric power mutual-inductor calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044650A (en) * | 2015-09-17 | 2015-11-11 | 国家电网公司 | Error testing wiring box for voltage transformer |
| CN108152779A (en) * | 2018-02-07 | 2018-06-12 | 华北电力科学研究院有限责任公司 | Electronic current mutual inductor check system and method |
| CN109444795A (en) * | 2018-12-06 | 2019-03-08 | 国家电网有限公司 | A kind of handcart-type transducer check auxiliary device, check system and method |
-
2014
- 2014-12-02 CN CN201420741906.4U patent/CN204331009U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044650A (en) * | 2015-09-17 | 2015-11-11 | 国家电网公司 | Error testing wiring box for voltage transformer |
| CN108152779A (en) * | 2018-02-07 | 2018-06-12 | 华北电力科学研究院有限责任公司 | Electronic current mutual inductor check system and method |
| CN109444795A (en) * | 2018-12-06 | 2019-03-08 | 国家电网有限公司 | A kind of handcart-type transducer check auxiliary device, check system and method |
| CN109444795B (en) * | 2018-12-06 | 2024-01-19 | 国家电网有限公司 | Auxiliary device, system and method for calibrating handcart type 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 |
Granted publication date: 20150513 Termination date: 20161202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |