Autotransformer Start Cabinet: 380V-660V, 90KW-400KW
In large hydropower stations, the auxiliary motors of hydroelectric generating units such as cooling water pumps, plant ventilation fans, and gate hoists usually have power ranging from 90kw to 400kw. Moreover, hydropower stations are often located in remote mountainous areas where power grid conditions are relatively weak, thus requiring strict stability and compatibility of the starting equipment. This autotransformer reduced-voltage starting cabinet, which is compatible with 380V-660V voltage, can precisely match such high-power auxiliary motor machines, ensuring the safe operation of hydropower stations. Its significant advantage lies in its friendliness to the power grid. Through the regulation of 65% and 80% voltage taps, the starting current is reduced to 42%-64% of that during direct start-up, effectively avoiding the impact on the self-used power grid of the hydropower station during start-up and preventing abnormalities in core equipment such as the excitation system and m…
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