In the electric power, the microcomputer relay protection tester is often used. It belongs to protection relay testing equipment. It is a high-precision and powerful test instrument, which is liked by the majority of [...]

Operating precautions of LTDSY-VI cable identification instrument: 1) Before field cable identification, the signal amplitude should be tested at the signal transmitting end. If there is no signal or the signal is weak, you [...]

In recent years, with the implementation of power grid renovation projects, overhead lines have been transformed from the original "two-wire one-ground" power supply mode to a "three-phase three-wire" power supply mode with ungrounded neutral [...]

The traditional grounding resistance measurement method is the voltage-current method. The traditional method must trip the grounding wire and hit the auxiliary grounding pole. The ground electrode to be measured is to be separated [...]

The multi-frequency induction withstand voltage tester is a transformer induction withstand voltage test system. It belongs to inductive voltage tester. The output frequency of the unit is 150 Hz, (if 200 Hz is required, [...]

In the power industry, the role of each instrument is different. With the development of modern society and the rapid iteration of instrument updates, the editor of Litai Power will take everyone to understand [...]