1. Frequency conversion series resonance withstand voltage test deviceUsually, series resonance method is used during the AC voltage withstand test of cables. This method can calculate the required capacitance and voltage based on parameters such as voltage level, cross-section, and length of the cable. This method is particularly suitable for…

A partial discharge instrument is an instrument used to detect and diagnose capacitive discharge in electronic devices. The correct selection and use of a partial discharge instrument is crucial for obtaining accurate and reliable measurement results. Here are some suggestions on how to correctly select and use the gain of…

The transformer comprehensive tester, also known as the transformer volt ampere characteristic tester, is an essential tool for power workers to test the wiring method, working principle, and ferromagnetic resonance characteristics of transformers.The CTA-1000C variable frequency transformer comprehensive tester is a new generation of innovative CT and PT testing instruments…

Summary:Cable Fault Locator is a device used to detect and identify faults in power lines. It can accurately determine the location and type of faults by measuring parameters such as current, voltage, and resistance in the cable. This article will introduce the basic principle and working mode of the live…

Live cable identification device is a device used for quickly identifying live cables, usually used in the power industry, construction industry, and other fields. Its main function is to identify cables, determine whether they are live, and avoid safety accidents such as accidental electric shock without cutting off the power…

The transformer direct resistance to transformer ratio comprehensive tester is a specialized equipment used for testing transformer parameters. It is mainly used to test parameters such as DC resistance, transformation ratio, and winding grounding resistance of transformers. Its application and product advantages include:Product application:1. Test Transformer DC Resistance: Test the…

DC high-voltage generator can be abbreviated as DC generator, DC generator, high-voltage generator, high-voltage DC generator, etc. It adopts new technologies, materials, and devices currently available, and its main performance features include high output power, small volume, light weight, and easy portability.With the large-scale deployment of DC transmission projects, the…

DC high-voltage generator is a widely used electronic instrument that can convert low voltage into high voltage and provide reliable and stable high voltage output at its output port. This instrument has extensive and in-depth applications in various fields such as industry, scientific research, and medical industry.So, what are the…

The function of a microcomputer relay protection tester is to conduct power engineering tests on relays and check whether the performance of each level of the relay meets the requirements for safe operation of power engineering systems. The relay protection tester plays a protective role in experiments such as circuit…

In recent years, due to lightning strikes in multiple substations in China, these incidents have been caused by substandard grounding resistance of the grounding grid, which plays a role in working and protective grounding. The grounding resistance tester for grounding grids is an instrument used to measure the resistance value…