Technology Class

Learn about Hipot testing, common testing devices (Series Resonant, AC/DC Withstand, and VLF), and their differences for high-voltage equipment testing.

Learn the key differences between Gas Chromatography (GC) and Liquid Chromatography (HPLC). Explore their advantages, disadvantages, and how to choose the best method for your analysis.

Concise guide to series resonance testing: common faults, causes, and practical fixes for resonance points, main unit resets, Q-value issues, and power trips.

Explore the importance of dielectric strength and oil chromatography in electrical systems. Learn their applications, testing methods, and benefits for system reliability and performance.

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.

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

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.

The withstand voltage test is crucial for testing high-voltage equipment, assessing its insulation performance and ability to withstand electric shock, ensuring its safety and reliability. It typically includes two types: AC and DC withstand voltage tests. These tests differ in principles and applications, which will be explained in more detail below.

The transformer comprehensive test bench is a professional equipment that integrates multiple test functions and is suitable for the performance evaluation of power transformers and distribution transformers. The equipment not only supports no-load and load characteristic tests, but also can perform double-frequency induction withstand voltage tests and power frequency withstand voltage tests. It is widely used in transformer manufacturing, installation and commissioning, and operation and maintenance.