How to choose a relay protection tester?
In practical work, power workers need to use microcomputer relay protection testers to test the comprehensive protection devices of switchgear. This device is widely used in the power industry and is ...
2022-04-15Why conduct electrical equipment testing?
Power equipment is an important hub and channel in the transmission and distribution grid. During use, equipment may experience aging, disrepair, and potential faults. However, these situations cannot...
2021-07-29Method for selecting the capacity of experimental transformers
How to choose the capacity of the test transformer is a common confusion faced by many power testing personnel. We usually choose based on the recommended capacity in the instructions provided by the ...
2021-05-08How to conduct short-circuit fault analysis on high-voltage switch characteristic tester?
Through the analysis of the principle of detecting the fracture state of the high-voltage switch characteristic tester, it is concluded that the instrument forms a circuit through the switch, groundin...
2021-04-25Operation video of DC high-voltage generator
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2021-04-20How to maintain microcomputer relay protection devices?
Compared with traditional relay protection devices, microcomputer relay protection devices have the characteristics of microcomputer technology, strong calculation, analysis, and logical judgment capa...
2021-03-18How to detect cable faults?
With the development of the economy and the acceleration of modernization construction, China's demand for electricity is increasing. Power cables used to connect various electrical equipment, tra...
2021-03-16AC High Voltage Oil Testing of High Voltage Test Transformers
The high-voltage test transformer adopts a manually rising voltage output with a knob autotransformer. The device is equipped with a primary circuit that indicates the output voltage even after breakd...
2019-11-20How to conduct AC voltage withstand test on cables?
Due to the large capacitance of cables, traditional power frequency test transformers are bulky and bulky, and high current working power sources are not easily available on site. Therefore, series re...
2019-11-20Gas relay is a component of transformer
The gas relay is installed between the transformer oil tank and the oil storage tank, connected by an oil pipeline with the same diameter as it to form a connected oil circuit. When a serious fault oc...
2019-11-20
