1. IntroductionThe anti-interference dielectric loss tester is a widely used testing equipment in power systems, mainly used to measure the loss factor of dielectric materials. The dielectric loss factor is an important parameter for measuring the performance of insulation materials, which is of great significance for the normal operation and…

1、 IntroductionRelay protection tester is an important equipment in the power system, mainly used for testing and evaluating the performance of relay protection devices. With the increasing complexity of the power system, the role of relay protection testers has become increasingly prominent. This article will provide a detailed introduction to…

With the continuous development of the power system, as one of the key equipment, the stability and accuracy of transformer performance are crucial for the operation of the entire system. The emergence of the transformer comprehensive test bench provides a powerful tool for the performance testing of transformers, ensuring the…

The comprehensive relay protection tester is an instrument used to test the performance of relay protection equipment in power systems, widely used in fields such as power, petroleum, and chemical engineering. In order to ensure the normal operation and service life of the equipment, it is crucial to do a…

In many parts of the power system, high-voltage switch (circuit breaker) components are required. In order to ensure the stable and safe operation of these components, we need to use corresponding circuit breaker dynamic characteristic testers. These testing instruments have the advantages of intelligence, multiple functions, accurate data, strong anti-interference,…

The DC resistance tester is an important testing equipment in our power system. It is mainly used for testing semi-finished products, finished product factory tests, installation, major repairs, changes to tap changer, handover tests, and preventive tests in the power department in transformer manufacturing. Below, we will give you a…

A digital megohmmeter is composed of medium to large scale integrated circuits. This meter has a high output power, high short-circuit current value, and multiple output voltage levels (each model has four voltage levels).The working principle is that the DC high voltage generated by the internal battery as the power…

The capacitance and inductance tester plays a unique role in the power system. Testers generally use capacitance and inductance testers to measure high-voltage parallel capacitor banks inside the substation and on site. Next, let's talk about the problems that capacitance and inductance testers can solve.Firstly, the capacitance and inductance tester…

Partial discharge testers are widely used, and various power equipment in the power system needs to detect partial discharge conditions and evaluate insulation status. Therefore, only a handheld partial discharge tester is needed to solve this problem.The insulation status of various power equipment in the power system, such as high-voltage…

The measurement of dielectric loss is a very basic method in insulation testing. Through this process, we can effectively discover the overall moisture deterioration and local defects of electrical equipment insulation. Today, we will mainly analyze the fields in which dielectric loss testers are mainly used and the types of…