The loop resistance tester is made using digital circuit technology and switch circuit technology. It is a special device for measuring contact
Jan 26, 2021
Power quality refers to the quality of AC power supplied to users through the public grid. In general, it refers to the quality of the power in the power grid.
Jan 25, 2021
Before measurement, the power supply of the equipment under test must be cut off and short-circuited to ground.
Jan 24, 2021
UHV (Ultra High Voltage) refers to an electrical power transmission technology operating at extremely high voltages, typically 800,000 volts (800 kV) and above for alternating c...
Sep 21, 2025
Cable failures can arise from various causes, among which mechanical damage due to external forces, moisture absorption, and aging-leading to reduced insulation performance-are ...
Sep 04, 2025
The acid value (or acid number) of transformer oil is a critical parameter indicating the level of acidic contaminants formed due to oil degradation (oxidation). Here's a de...
Jul 31, 2025
( 1 ) Disadvantage and advantage comparison of YN three phases at same side and YN phase by phase measurement Measure three phase resistance at same time, greatly shorten workin...
Jan 20, 2025
Regular maintenance and inspection: Regularly inspect the appearance of cables and identify issues such as damage, aging, or corrosion. Use a professional cable tester to test t...
Oct 15, 2024
1. Small size and light weight Portability: The design of the inflatable test transformer greatly reduces its volume and weight, typically 20% to 60% lighter than traditional oi...
Sep 17, 2024
On June 24th, the No.1 transformer in the expansion project of Xingtai 1000 kV ultra-high voltage substation located in Xinhe County, Hebei Province, was put into operation. The...
Jun 28, 2024
On the 24th, the 15th BRICS Leaders' Meeting Special Press Conference announced that Saudi Arabia, Egypt, the United Arab Emirates, Argentina, Iran, and Ethiopia were invited to...
Sep 07, 2023
The design and manufacturing of the transformer oil moisture analyzer comply with the standard test method requirements of GB/T 7600-2014 "Determination of Moisture Content in T...
Jul 05, 2023
