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measures to limit the operating overvoltage of electric arc furnace and submerged arc furnace transformer
updated: 2018-04-16 attention:3679
[answer]
1. install zinc oxide arrester or varistor between the electric furnace transformer and the operating circuit breaker;
2. install zinc oxide arrester or varistor and resistance-capacitance absorber on the third side of the three-winding electric furnace transformer;
3. a resistance-capacitance absorption device is installed on the secondary side of the electric furnace transformer.
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