Technology Class

This article will focus on the CT and VT testing procedure, and will also describe some specific operational details.

Explore generator rotor and stator principles, and learn how rotor winding short-circuit issues are detected and predicted for reliable operation.

Learn the role and purpose of lightning arresters, how they differ from surge protectors, their working principles, and tips for choosing lightning test 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 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 on the IEC standard for the tan delta test, and will introduce the meaning of IEC 60851-5.

Learn about DC leakage test methods, benefits, and safety tips for effective insulation testing to ensure equipment safety and reliability.

Secondary injection testers act as vital guardians, ensuring the safety of the power grid. The relay protection tester is a crucial tool for verifying their proper function. Whether you're a power system operator, maintenance staff, or a power engineering student, mastering this instrument is essential. This article provides a comprehensive guide to help you become proficient in operating relay protection instruments.