HVD7-40.5

产品参数 Main technical parameters

No.	项目Item			Unit单位	Date参数
1	额定电压 Rated voltage			KV	40.5
2	额定绝缘水平 Rated insulation Level	1分钟工频耐压 1min power frequency withstand voltage	Dry test	KV	95
			Wet test		80
		雷电冲击耐受电压(峰值) Lightning impulse withstand voltage（peak value）			185
3	额定电流 Rated current			A	1600		2000
4	额定短路开断电流 Rated short-circuit breaking current			KA	20	25	31.5
5	额定短路关合电流(峰值) Rated short-circuit making current（peak）			KA	50	63	80
6	额定操作顺序 Rated operating sequence				O-0.3s-CO-180s-CO
7	额定短时耐受电流 Rated short-time withstand current			KA	20	25	31.5
8	额定峰值耐受电流 Rated peak withstand current			KA	50	63	80
9	额定短路持续时间 Rated short-circuit duration			S	4
10	额定控制电压 Rated control voltage			V	AC220,110;DC220,110
11	额定短路开断电流开断次数 Rated short-circuit breaking current break times			Times	20
12	全开断时间 Full-break time			ms	≤80
13	机械寿命 Mechanical life			Times	10000

机械特性参数 Mechanical charaCTeristic parameters

No.	项目Item		单位 Unit	数值Data
1	触头开距 Clearance between open contacts		mm	20_-2.0^+3.0
2	触头超行程 Overtravel of contacts			5±1
3	平均分闸速度 Average opening speed		m/s	1.4~1.8
4	平均合闸速度 Average closing speed (rated closing voltage)			0.4~0.8
5	触头合闸弹跳时间 Contact bouncing time in closing operation		ms	≤5
6	三级合闸不同时期 Asynchronism of three-phase closing operation			≤2
7	分闸时间 Opening time			40≤t≤100
8	合闸时间 Closing time			50≤t≤150
9	合闸 Closing	***操作电压 Max control voltage	V	242
		***操作电压 Min control voltage		187
10	每项回路直流电阻 DC resistance of each phase circuit		μΩ	≤120(Excluding the Current Transformer)
11	相间中心距离 Phase-to-phase central distance		mm	710
12	动静触头允许磨损累计厚度 Permissible accumulated abrasion thickness of moving and static contacts			3
13	外形尺寸（长宽高） Outline dim. (LWH)			24605002400
14	合闸状态额定触头弹簧压力 Rated contact spring pressure in closing state		N	2500	3000
15	质量 Mass		kg	1100