1. In the preventive test and switching test of the power system, many high-current electrical equipment need to accurately measure the resistance of the circuit. Circuit breakers
Apr 14, 2021
First of all, there is no doubt that the normal cleaning and maintenance of an oil filter can prolong its service life. Therefore, we should correctly select the filter element of
Apr 13, 2021
The main function of the temperature rise test equipment is to test the temperature rise of the electrical components of the power system, that is, the type test. For example, larg
Apr 09, 2021
1) The filter in the power supply can suppress the interference from the power supply. The filter should be able to reject all frequencies in the detector bandwidth, but allow low-
Apr 08, 2021
The impulse voltage generator is a power supply device that imitates the impulse voltage such as lightning and operating overvoltage. The impulse voltage generator can generate a w
Apr 07, 2021
The battery activator is a battery repair and maintenance equipment. After testing and selecting outdated batteries, we still have an important thing to do, that is, to restore the
Apr 06, 2021
For long cable lines, capacitors, large generators and transformers and other large-capacity test products AC withstand voltage test, large-capacity test equipment and power supply
Apr 02, 2021
When the SF6 circuit breaker and other high voltage electrical components (except the main transformer) are installed in a metal shell filled with SF6 gas with a certain pressure a
Apr 01, 2021
1. Different definitions 1. Open flash point: The result measured with a prescribed open flash point tester is called the open flash point, expressed in °C. 2. Closed flash point:
Mar 30, 2021
Power transformers are one of the main equipment in power plants and substations. The role of the transformer is multi-faceted not only to increase the voltage to send electrical e
Mar 29, 2021
Insulating oil is a synthetic liquid insulating material. Because mineral insulating oil is a mixture of various hydrocarbons, it is difficult to remove the components that reduce
Mar 25, 2021
The ultra-low frequency high voltage generator(VLF Hipot Tester) is suitable for: voltage withstand test of XLPE insulated power cables / voltage test of hydroelectric generators a
Mar 18, 2021