化工厂户外变电所冬季安全运行要点扬州市苏中化工实业总公司孔云英姜堰市化学建筑材料工业公司陈荣章冬季天气多雾、多霜、多风，并时有雪花飞舞，加之化工生产区的尘污，对户外变电所高压电器及设备（跌开式熔断器、隔离开关、油断路器及变压器等）的安全运行带来威胁。... Chemical plant outdoor winter substation safe operation points Yangzhou Suzhong Chemical Industry Co., Ltd. Kong Yunying Jiangyan Chemical Building Materials Industry Company Chen Rongzhang winter weather is foggy, frosty, windy, and sometimes snow flakes, coupled with chemical production areas Dust and dirt pose a threat to the safe operation of high voltage electrical appliances and equipment (drop-out fuses, disconnectors, oil circuit breakers and transformers, etc.) in outdoor substations. ...