Electric coming in and out control method of multifunctional proofing and grounding cart of centrally installed switchgear

• Main Authors: DING XUEFENG, WANG PENG, CAO JINHUI, CHENG LU, LU CHUNFENG, WU JIE, WANG LIANG, ZHOU XIAOYONG, XU ZHENG, PAN JINGJUAN, CHENG LIANG, MA QINGSHAN, HUANG JINXIN, QIAN SHUANGQIU, MAO YANFANG, LUO YUN, JIANG CHENZHEN, HAN BIN, LI YONGSHENG, HUANG TING, LIU HAIHUA, BAI YANG, TANG XIANGHUA, ZHU JIANGUO, YE YINGJIE, LIU BINBIN, ZHANG MIN, JIANG HUI, JU YI, ZHOU JIA, XU XIAOYI, MAO DONGJIN, YANG MING, MA YUETING, YUAN JIANHUA
• Format: Patent
• Language: Chinese; English
• Published: 08.06.2016
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention discloses an electric coming in and out control method of a multifunctional proofing and grounding cart of a centrally installed switchgear. A coming in and out control circuit is adopted for controlling, and comprises a motor M2 for driving a cart to move, wherein main contacts of contactors KM3 and KM4 are arranged in parallel on the power supply circuit of the motor M2 for controlling work of the motor M2; a travel switch S1 is connected on the power supply circuit, and is connected with a parallel control circuit; one line of the parallel circuit comprises a parallel structure of a button SB3 and an auxiliary contact of the contactor KM3, as well as a contact of the contactor KM4, the contactor KM3 and a travel switch S9 which are connected in series, and the other line of the parallel control circuit comprises a parallel structure of a button SB4 and the auxiliary contact of the contactor KM4, as well as a contact of the contactor KM3, the contactor KM4 and a travel switch S8 which are conn