摘  要：朝鲜顺村钢铁厂的制氧系统，由于当地电网波动，电压波动（4200V~6300V），频率波动（38Hz~60Hz）都较大，严重影响生产量。企业为提高生产能力，扩大产能，使用合康高压变频器设备用来驱动电机，以增加产能并缩减成本。

关键词：高压变频器；水冷；电机

Abstract: Korean village along the steel plant oxygen system, due to the local power grid fluctuations, large voltage fluctuations (4200V to 6300V)and frequency fluctuation (38Hz to 60Hz) which is seriously affecting production. in order to increase production capacity and expand production capacity, Enterprises decide t