Blog - Xianheng International (Hangzhou) Electrical Manufacturing Co., Ltd.

18

2026-05

CT PT Tester: Complete Guide to Current and Potential Transformer Testing in Power Systems

In modern electrical power systems, accurate measurement and protection depend heavily on the performance of instrument transformers. Among them, current transformers (CT) and potential transformers (...



11

2026-05

Transformer Insulation Resistance Testing: Methods, Standards and Diagnostic Insights

In modern power systems, transformer reliability directly affects grid stability, operational safety, and long-term equipment performance. One of the most critical diagnostic procedures used to assess...



01

2026-05

What is Hipot Testing

When it comes to ensuring electrical safety and long-term reliability, testing plays a critical role across industries. From manufacturing plants to power distribution systems, engineers rely on speci...



29

2026-04

How to Test a Transformer Without Power

Testing a transformer without energizing it is a crucial part of preventive maintenance and factory quality control. It allows engineers to evaluate the condition of windings, insulation, and core str...



16

2026-01

Decoding Transformer Diagnostics: The Science Hidden Behind the TTR Tester

In the field of power maintenance, transformer turns ratio testing is often considered a routine procedure. However, at Elecgene, we believe that true reliability lies in understanding the "unkno...



16

2026-01

How to Select the Best Insulation Resistance Tester for Your Infrastructure

In the modern industrial sector, the stability of power systems is the cornerstone of business success. Elecgene focuses on high-end electrical testing solutions. Choosing the right insulation resista...

