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Common fault analysis of high voltage switchgear insulation fault2021.11.04
The insulation level is to correctly deal with the relationship between various voltages (including operating voltage and various overvoltage), various voltage limiting measures and insulation strength acting on the insulation. Strive to make the products safe and economical, a…
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2021.10.28578Common fault analysis of high voltage switchgear - breaking and closing fault
This kind of fault is caused by the circuit breaker body. For the low oil circuit breaker, it is mainly manifested as fuel injection short circuit, arcing chamber burning loss, insufficient breaking capacity, explosion when closing, etc. For vacuum circuit b…
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2021.10.22564Analysis of common faults of high voltage switchgear - failure to operate and malfunction
This fault is the main fault of high-voltage switchgear, and its causes can be divided into two categories. One is caused by the mechanical failure of the operating mechanism and transmission system, which is specifically manifested in the mechanism jamming,…
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2021.09.14581High voltage switchgear - fixed and removable
From the use of high-voltage switchgear, it can be divided into fixed type and movable type. Previously, the auxiliary power system of power plants used to use removable switchgear, while the power supply system used more fixed cabinets. With the progress of…
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2021.09.07587High voltage switchgear - outdoor and indoor
From the placement of high-voltage switchgear, it can be divided into outdoor type and indoor type. 10kV and below are mostly user indoor type. According to different primary line schemes, it can be divided into incoming and outgoing line switchgear, connect…
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