北票水泥二厂1983年末自广西柳州开关厂购置一台 GZK 型功率因数自动补偿控制器,安装在该厂变电所。该设备投入使用三年多以来运行良好。在降低用电成本和稳定主机电机工作电流等方面发挥了较好的作用。该厂未使用自动补偿控制器前,用电设备 Beipiao Cement Factory purchased a GZK type power factor automatic compensation controller from Liuzhou Switchgear Plant in Guangxi at the end of 1983 and installed it in the substation of the plant. The device has been operating well for more than three years. In reducing the cost of electricity and stabilize the host motor current work has played a good role. The plant did not use the automatic compensation controller before, electricity equipment