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  • 2021-01-08

    How to choose test current of our GDZC Transformer Winding Resistance Tester?

    The transformer DC resistance tester is subdivided into various specifications such as 1A, 3A, 5A, 10A, 20A, 40A, 50A, 100A, etc. The power supply of the instrument is divided into external power supply AC220V, internal power supply (battery power supply), AC and DC power supply, etc. At present, th

  • 2020-11-27

    How to choose oil-immersed, gas-filled and dry test transformers?

    No matter what kind of test transformer, its main function is to test the insulation strength and withstand voltage of electrical equipment, and obtain the insulation performance of electrical equipment and the ability to withstand overvoltage. But its main difference lies in its structure and worki

  • 2020-06-16

    Why we need GDRZ-902 Transformer SFRA?

    After the transformer is designed and manufactured, its coil and internal structure are determined. Therefore, for a multi-winding transformer coil, if the voltage level is the same and the winding method is the same, the corresponding parameters (Ci, Li) of each coil should be Is ok. Therefore, the

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