Wuhan Xinfeixiang Electric Power Technology Co., Ltd
| secondary voltage | 100 V; 100/√3 V |
| secondary current | 5 A,1A |
| accuracy | 0.05% |
| primary current | 5A--5000A |
| primary voltage | 6KV--220KV |
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Product Specification
| secondary voltage | 100 V; 100/√3 V | secondary current | 5 A,1A |
| accuracy | 0.05% | primary current | 5A--5000A |
| primary voltage | 6KV--220KV |
Used to test all performance parameters of current transformers, such as error, insulation resistance, primary withstand voltage, secondary withstand voltage, and turn-to-turn insulation, etc
Used to test all performance parameters of voltage transformers, including error, insulation resistance, primary withstand voltage, secondary withstand voltage, partial discharge, etc
The three-phase mutual inductor calibration device is an important equipment for measuring the error of the mutual inductor in the calibration box. This device consists of a three-phase voltage regulator, a three-phase mutual inductor load box, a three-phase standard mutual inductor, and a three-phase mutual inductor calibration instrument, which serves as the basis for the error measurement of the mutual inductor.
The following components must be provided according to actual requirements: voltage regulator, load box for current transformer, standard current transformer, and current transformer calibration instrument.
Testing requirements for current transformers and voltage transformers with the following specifications: voltage level ≤35kV and rated current ≤5000A.
The test items include: Current Transformer:
1) Accuracy test;
2) Primary end power frequency withstand voltage test;
3) Capacitance and dielectric loss factor measurement;
4) Interphase power frequency withstand voltage test;
5) Secondary end power frequency withstand voltage test;
6) Secondary winding resistance (Rct) measurement;
7) Turn-to-turn overvoltage test;
8) Secondary circuit time constant measurement;
9) Rated turn-off potential and rated turn-off excitation current test;
10) Turn-to-turn overvoltage test;
11) Remanence coefficient measurement;
12) Instrument security factor measurement for current transformers.
Voltage transformer:
1) Accuracy test;
2) Excitation characteristic measurement;
3) Primary end power frequency withstand voltage test;
4) Capacitance and dielectric loss factor measurement;
5) Interphase power frequency withstand voltage test;
6) Secondary end power frequency withstand voltage test
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
10000000-50000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
The company's products are divided into four major series: indoor and on-site calibration equipment for transformers, power preventive test equipment, power online monitoring systems, and electrical measurement equipment. Since its establishment, the company has adhered to the business philosophy of... The company's products are divided into four major series: indoor and on-site calibration equipment for transformers, power preventive test equipment, power online monitoring systems, and electrical measurement equipment. Since its establishment, the company has adhered to the business philosophy of...
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