Technical Guide
-
The purpose of transformer AC withstand voltage test
During the operation of power equipment, the insulation will gradually deteriorate under the action of electric field, temperature and mechanical vibration for a long time, including overall deterioration and partial deterioration, resulting in defects. defect. Various preventive test methods, ea...Read more -
Why do AC withstand voltage tests need to be performed on power equipment?
Why do you need to perform AC withstand voltage test on power equipment? The AC withstand voltage test is an effective and direct method to identify the dielectric strength of power equipment. HV Hipot ...Read more -
There are several steps in the operation test of the insulation resistance tester
The insulation resistance tester is mainly used to measure the insulation resistance of large transformers, transformers, generators, high-voltage motors, power capacitors, power cables, arresters and other equipment. GD3127/3128 Insulation Resistance Tester Operation and test st...Read more -
Purpose and test method of AC withstand voltage test for transformer
The transformer AC withstand voltage test is a test in which a sinusoidal power frequency AC test voltage exceeding a certain multiple of the rated voltage is applied to the windings of the tested transformer together with the bushing, and the duration is 1 min. Its purpose is to use a test volta...Read more -
What are the precautions for using SF6 gas recovery device?
If you know something about SF6 gas recovery device, everyone should know that the device has basic functions such as vacuuming, recovery and storage, filling and discharging, bottle filling and purification and drying, as well as corresponding combined functions. As long as the equipment you pu...Read more -
Faults and inspection methods in operation of relay protection system
The weakest link in the relay protection system is the transformer in the power system voltage. In the voltage loop, it is easy to malfunction during operation. The transformer in the voltage plays a very important role in the normal operation of the power system. Function, although there are not...Read more -
How to maintain Dry-type test transformer
Dry-type test transformers mainly rely on air convection cooling equipment. Therefore, it has good heat dissipation performance and good environmental usability. Simple dry-type transformers are widely introduced into every corner of people’s lives with their unique advantages. So, how do u...Read more -
How to prevent lightning strikes for high-voltage electric lines?
Generally, the whole line of UHV line is protected by ground wire, or a ground wire and an OPGW optical cable, which has certain effects of lightning protection for UHV transmission lines. The specific lightning protection measures are as follows: GDCR2000G Earth Resistance Tester 1. Reduce th...Read more -
Primary Current Generator purchase skills
When you need to boost high-voltage power equipment, you need to use a primary-current generator. It is a necessary equipment for all walks of life in electrical debugging where primary-current is required. Touch button operation, all functions can be done through buttons Improve the safety and r...Read more -
When need to use Series Resonance AC Withstand Voltage Test Set
There are many series resonance AC withstand voltage test set on the market, which are used by electric power workers for power high-voltage withstand voltage test projects. Series resonance AC withstand voltage test is very important, so under what circumstances must use series resonance AC with...Read more -
Attention to the use of GD 6800 Capacitance & Tan Delta Tester
Electricians who want to conduct dielectric loss tests on power transformers, relays, capacitors, arresters, etc. need to use an anti-interference dielectric loss tester. As a relatively conventional high-voltage power test equipment, this equipment has high voltage levels and reliable accuracy. ...Read more -
Why use Primary Current Injection Test Set to measure the circuit resistance of a circuit breaker?
The load capacity of the Primary Current Injection Test Set is suitable for busbar protection and verification of current transformer ratios, etc., and can adjust current relays and switches. It is mainly used for testing items such as busbar protection and various curre...Read more