Technical

Technical

  • DC high voltage generator

    DC high voltage generator

    The DC high voltage generator meets the on-site DC withstand voltage test and leakage current test of the power sector, so how to select the DC high voltage generator, how to set the standard, what are the conventional and unconventional?                                                           ...
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  • The purpose of transformer AC withstand voltage test

    The purpose of transformer AC withstand voltage test

    During the operation of power equipment, the insulation will gradually deteriorate under the action of electric field, temperature and mechanical vibration for a long time, including overall deterioration and partial deterioration, resulting in defects. defect. Various preventive test methods, ea...
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  • Why do AC withstand voltage tests need to be performed on power equipment?

    Why do AC withstand voltage tests need to be performed on power equipment?

    Why do you need to perform AC withstand voltage test on power equipment? The AC withstand voltage test is an effective and direct method to identify the dielectric strength of power equipment.                                                                                                HV Hipot ...
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  • There are several steps in the operation test of the insulation resistance tester

    There are several steps in the operation test of the insulation resistance tester

    The insulation resistance tester is mainly used to measure the insulation resistance of large transformers, transformers, generators, high-voltage motors, power capacitors, power cables, arresters and other equipment.               GD3127/3128   Insulation Resistance Tester Operation and test st...
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  • Purpose and test method of AC withstand voltage test for transformer

    Purpose and test method of AC withstand voltage test for transformer

    The transformer AC withstand voltage test is a test in which a sinusoidal power frequency AC test voltage exceeding a certain multiple of the rated voltage is applied to the windings of the tested transformer together with the bushing, and the duration is 1 min. Its purpose is to use a test volta...
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  • What are the precautions for using SF6 gas recovery device?

    What are the precautions for using SF6 gas recovery device?

    If you know something about SF6 gas recovery device, everyone should know that the device has basic functions such as vacuuming, recovery and storage, filling and discharging, bottle filling and purification and drying, as well as corresponding combined functions. As long as the equipment you pu...
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  • Faults and inspection methods in operation of relay protection system

    The weakest link in the relay protection system is the transformer in the power system voltage. In the voltage loop, it is easy to malfunction during operation. The transformer in the voltage plays a very important role in the normal operation of the power system. Function, although there are not...
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  • Maintenance guide for gas-type test transformers

    Maintenance guide for gas-type test transformers

    Test transformers are necessary test equipment for power equipment testing and preventive tests. With the development of my country’s power industry, the requirements for the voltage level of test transformers are getting higher and higher. However, traditional oil-immersed test transformers are ...
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  • How to maintain Dry-type test transformer

    How to maintain Dry-type test transformer

    Dry-type test transformers mainly rely on air convection cooling equipment. Therefore, it has good heat dissipation performance and good environmental usability. Simple dry-type transformers are widely introduced into every corner of people’s lives with their unique advantages. So, how do u...
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  • How to prevent lightning strikes for high-voltage electric lines?

    How to prevent lightning strikes for high-voltage electric lines?

    Generally, the whole line of UHV line is protected by ground wire, or a ground wire and an OPGW optical cable, which has certain effects of lightning protection for UHV transmission lines. The specific lightning protection measures are as follows: GDCR2000G Earth Resistance Tester   1. Reduce th...
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  • Primary Current Generator purchase skills

    Primary Current Generator purchase skills

    When you need to boost high-voltage power equipment, you need to use a primary-current generator. It is a necessary equipment for all walks of life in electrical debugging where primary-current is required. Touch button operation, all functions can be done through buttons Improve the safety and r...
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  • When need to use Series Resonance AC Withstand Voltage Test Set

    When need to use Series Resonance AC Withstand Voltage Test Set

    There are many series resonance AC withstand voltage test set on the market, which are used by electric power workers for power high-voltage withstand voltage test projects. Series resonance AC withstand voltage test is very important, so under what circumstances must use series resonance AC with...
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