¥ 价格面议
¥ 价格面议
¥ 价格面议
¥ 价格面议
¥ 价格面议
易卖工控网(www.ymgk.com)提供”供应模块.MVI56-MCM水晶头”,产品详情:品牌/厂家:其他品牌、型号:MVI56-MCM、成色:全新、货期:现货 1天内发货、保修:365天,更多产品详情就上易卖工控网。
10kV母联、10kV主变进线间隔一般分别由开关柜与隔离柜组成,电流互感器装于开关与闸刀间。在需要10kV母联或10kV主变进线间隔停电检修时,厂家提供了验电接地小车,分别推入开关柜与隔离柜,在验明确无电压后合上接地闸刀,但验电接地小车的防误闭锁逻辑各变电站间并不是都统一的,需要进一步完善。为控制和消除此类操作中的产生误操作的危险因素,选择一种完善的防误闭锁逻辑是十分有必要的。
一、在检修操作中防误回路危险点分析及对策
以某变电站的10kV设备均采用中置柜形式进行分析,其10kV母联、10kV主变进线间隔为开关柜与隔离柜配置。以10kV母联间隔为例,电流互感器装于开关与隔离闸刀间,具体电流互感器装设在10kV母联开关柜后下柜内,如图1中的U。在母联内的电流互感器检修操作时,将开关小车、隔离小车分别拉至柜外,用验电接地小车分别推入开关柜与隔离柜,在验明确无电压后合上接地闸刀,满足检修要求,如图2中的接地线。
YASKAWA CACR-SR03BB1AF SERVOPACK CONTROL
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