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Measures to limit the operating overvoltage of electric arc furnace and submerged arc furnace transformer
Updated: 2018-04-16 Attention:4437
[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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