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  • Short Circuit Voltage of Transformer

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  • The transformer short-circuit impedance tester can perform precise measurements

    The transformer short-circuit impedance tester is a high-precision instrument used for measuring the no-load, load parameters, and zero sequence impedance parameters of transformers. It can accurately measure a series of parameters such as no-load current, no-load loss, short-circuit loss, impedance voltage, harmonic content, distortion rate, etc. of various transformers. It has the advantages of small size, light weight, high measurement accuracy, good stability, and easy operation and learning, which can replace the previous method of using multiple meters to measure transformer losses and capacity.

  • Digital high voltage insulation resistance tester

    Digital high voltage insulation resistance tester performance characteristics

  • How do you check winding resistance?

    ​A multimeter is required to measure the winding resistance of an electrical component, such as a transformer or motor. The actions to take are as follows:

  • What are the operating techniques for Cable Fault Locator?

    ​1. After the cable fault tester has connected the lines on site according to the multiple pulse method, it is normal if a more ideal test waveform cannot be obtained by applying high impact voltage at one time. Because the distance to the fault is not known in advance, the electrical strength of the fault point is also unclear. If the impulse voltage is not high enough and the fault point is not broken down by the impulse high voltage to generate an arc, the fault echo cannot be collected. At this time, only the terminal open circuit waveform can be seen. The impulse voltage must be increased until fault echoes are seen.

  • How reduce the copper and iron losses of transformer?

    ​1. Choosing a lower current density and reducing the number of turns will increase the magnetic flux density of the iron core and increase iron loss.

  • How to ensure the transportation of DC resistance testers?

    The transformer DC resistance tester is commonly used to measure the DC resistance of large capacity transformers. It is a high-precision stable current power supply and testing part designed as a whole. The testing process is controlled by a microcomputer and automatically completes stable current judgment, data acquisition, data processing, resistance value display and printing. This instrument can complete the longitudinal test of the on load voltage regulator with one power supply, fully saving test time.

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