Technology Class

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.

This article will help you to learn how to test a coax cable with a coax cable line tester, multimeter, or cable analyzer. Discover effective methods for checking continuity, shorts, and cable quality to ensure optimal performance.

This artiucle will focus on frequently asked questions about battery discharge machine.

This article focuses on DC impedance and AC impedance, and will answer people's questions about these two impedances.

This article focuses on the IEC standard for the tan delta test, and will introduce the meaning of IEC 60851-5.

The DC leakage test helps assess the long-term power storage capacity of capacitors and is a key component of capacitor qualification test plans for reliability evaluation.

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

This article focuses on how to calculate the no-load loss of the transformer, helping you understand the no-load loss more directly.

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.