Overview
Contact box and bushing type high voltage switchgear are essential components, their performance will directly affect the high voltage switchgear insulation performance and safety and reliability of operation.
Abnormal discharge phenomenon and short circuit of 10-40.5kV switchgear in power system under operating voltage. The main principle is that corona discharge occurs because the electric field in contact box and casing is particularly concentrated and distributed unevenly. Due to the long-term effect of various factors in the use environment, a series of chemical and physical changes occur, resulting in the gradual deterioration of electrical and mechanical properties, resulting in the normal continuous operation of the switch cabinet.
According to the above problem, ZHUOWOMA team after two years of research and development, operating analysis technology, the new electric field to calculate the electric field distribution of the reasonable, design the ideal screen mesh size and structure, redesign the electric field distribution, so that this part of the same potential, eliminate electric field concentrated problem, achieved the effect of electric field distribution inside the insulator evenly, minimizing the insulator discharge, The service life of insulation is delayed.
Technical parameters
Rated voltage: 12kV;
Power frequency voltage: 42kV/1min;
Local release: 11.5kV< 2pC;
Lightning impulse voltage: 75kV;
Glass temperature :≥105°C;
Note: if you exceed the above standard, please contact us
Dimensions and mounting dimensions
Audited Supplier 
Overview
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