Valve hall earthing switchgear is mainly used as protective earthing for converter transformation, converter valve when overhaul, cut off. It is the requisite equip-ment for DC transmission system. We had developed 408kV, 816kV side wall mounted type valve hall earthing switchgear. The product is designed for high safety and reliable structure with following advantages easy operation, stable & reliable action,long service life, convenient for installation &maintenance and high seismic resistance
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