Product Introduction
The HJ Series Standard Precision Voltage Transformer is a high-accuracy standard voltage transformer developed and designed by Wuhan UHV Power Technology Co.,Ltd., to meet the practical testing and measurement requirements of power supply departments and electrical equipment manufacturers.
The HJ Series is primarily designed for use as a reference standard for voltage transformer calibration and verification. It can also be used as a standard voltage transformer or a test voltage transformer. Featuring a compact structure, small size, lightweight design, and maintenance-free operation, the HJ Series is particularly well suited for on-site power testing and calibration, while also meeting the requirements of laboratory standard measurements and testing.
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Product Characteristics
1.High precision
Specifically designed for voltage transformer calibration, standard measurement, and precision testing.
Can be used as a high-precision standard voltage transformer.
2.Multi-purpose
Can be used as a standard for voltage transformer calibration.
Can also be used as a standard voltage transformer.
Can also be used as a test voltage transformer.
3.Compact structure
The device features a compact overall structure, occupying minimal space and facilitating installation and transport.
4.Small size and lightweight
Compact and lightweight, particularly suitable for on-site power testing, mobile testing, and calibration work.
5.Maintenance-free
The device operates reliably with low routine maintenance requirements, reducing usage and maintenance costs.
6.Suitable for on-site testing
Easy to carry and operate in the field, meeting the on-site testing and calibration needs of power supply departments.
7.Suitable for laboratory applications
In addition to on-site testing, it is also suitable for standard measurement, calibration, and testing in laboratories.
technische Parameter
| voltage classes | 6kV，10kV，35kV，110kV，220 kV |
| class of accuracy | 0.05level，0.02level，0.01level |
Application Scenarios
Power system on-site testing
Used for voltage transformer testing and calibration at substations, distribution stations, and other field locations.
Suitable for on-site working environments requiring mobile testing equipment.
Voltage transformer verification and calibration
Used as a standard voltage transformer in voltage transformer calibration systems.
Used for precision measurement of ratio, error, and other performance parameters of voltage transformers under test.
Electrical equipment manufacturers
Used for factory inspection, performance testing, and quality control during the production of voltage transformers and related electrical equipment.
Can serve as a standard reference device in the enterprise's internal testing system.
Power metering laboratories
Used for standard measurement, metrological calibration, and precision testing in laboratories.
Can be used together with other standard equipment to build a voltage transformer verification/calibration system.
Power metering and testing organizations
Suitable for power metering centers, metrology testing organizations, and other institutions for voltage transformer verification, calibration, and comparison testing.
Research institutions and university laboratories
Can be used for experimental research and standard voltage measurement in electrical engineering, metrology testing, and other related disciplines.
Frequently Asked Questions
Q: What is the HJ series standard precision voltage transformer mainly used for?
A: The HJ series is mainly used for the calibration, verification, and precision measurement of voltage transformers. It can be used as a standard voltage transformer or as a test voltage transformer.
Q: Can the HJ series be used for voltage transformer calibration?
A: Yes. The HJ series can be used as a standard reference device, paired with the voltage transformer under test, for voltage transformer calibration and precision measurement.
Q: What is the difference between the HJ series and ordinary voltage transformers?
A: The HJ series is primarily designed for standard measurement, calibration, and precision testing applications, with higher requirements for measurement accuracy and stability. Therefore, its positioning is different from that of ordinary voltage transformers used for power system measurement or protection.
Q: Which testing organizations is the HJ series suitable for?
A: It is suitable for power metering centers, metrology testing organizations, electrical equipment testing institutions, and enterprise internal laboratories, for verification, calibration, testing, and standard comparison of voltage transformers.
Wuhan UHV Power Technology Co., Ltd. is a professional manufacturer and supplier of high-voltage power testing equipment in China, specializing in wide range of high-voltage testing solutions.
