Technology Class

Learn the role and purpose of lightning arresters, how they differ from surge protectors, their working principles, and tips for choosing lightning test equipment.

This article focuses on what is leakage current and How to measure leakage current, which helps you understand leakage current better.

In this article, you can learn about the insulation resistance test process, how an insulation resistance tester works, and how to choose the right Megger Testing Equipment.

The article will focus on other necessary tests about transformer, such as AC withstand Voltage Test, Insulation dielectric performance test, Winding DC resistance measurement, CVT and so on.

This article will describe the necessary tests for transformers, focusing on insulation resistance measurement, dielectric loss factor and capacitance measurement, and partial discharge testing.

This article mainly introduces the relevant regulations for equipment grounding, grounding system and grounding impedance measurement.

This article will focuses on some relative questions about Tan Delta Testing. It aims to help you know more deeply about TD Test.

Learn about power cable types, testing methods, and regulations to ensure safety and reliability in electrical systems. Contact us for expert technical support.

This article will focus on the correlation and differences between VLF testing, TD testing and PD testing, and at the same time, you can find out which testing method is more suitable for your needs.

This article focuses common methods electricians use to troubleshoot short circuits, including using continuity or impedance instruments to detect shorts, testing with the load and power disconnected, and isolating the circuit section by section to isolate the fault.