Function Schematic Diagram 3/3~3/4 - Siemens 3AH3 Operating Instructions Manual

Function schematic diagram
功能示意图
Motor drive Closing and anti-
马达驱动
pumping device
合闸及防跳装置
Fig.3/3 V circuit-breaker 3AH3 with manual and electrical
closing with 64-way plug connector
图 . 3/3 带手动合闸, 电动合闸以及 64 针低压插座的
3AH3 真空断路器
Tripping via NC
contact
System wiring
跳闸回路常闭触
系统接线
点
Breaker wiring
断路器接线
System wiring
系统接线
Fig.3/4 typical circuit for connection of the undervoltage release Y7
图.3/4 欠电压脱扣器 Y7 的典型接线图
Operating Instruction Siemens 3AH3 / 西门子 3AH3 真空断路器使用手册
Release "off"
脱扣器 "脱离"
-Y6 -Y5
-Y7
st
1 shunt Switch
release tripping signal
一级分励脱扣 脱扣信号
⇑
⇑
⇑
⇑
HA
HE
K1
M1
P
R1
Tripping
S1
via NC
contact
S21, S22
跳闸回路
常闭触点
S3
S41, S42
S6, S7
X0
Y1
Y2
Y4, Y5, Y6 CT operated release/电流互感器驱动型脱扣器
Y7
Y9
S10, S11
closing spring charged signal
合闸弹簧储能信号
Manual tripping/手动脱扣
Manual closing/手动合闸
Anti-pumping contactor
防跳接触器
Motor operating mechanism/马达储能机构
Energy store/能量储存
Resistor/电阻
Auxiliary switch/辅助开关
Position switches (cut-out motor after
charging)
位置开关 (储能后切断马达回路)
Position switches
(open when closing spring charged )
位置开关(合闸弹簧储能后断开)
Position switch (signals charged state)
位置开关 (合闸弹簧储能信号)
Position switches (for switch tripped signal)
位置开关 (脱扣信号)
Low-voltage plug connector
二次插座
st
1 shunt release/一级分励脱扣器
nd
2 shunt release/二级分励脱扣器
Undervoltage release/欠电压脱扣器
Closing solenoid/合闸线圈
Position switches (mech. pumping prevention)
位置开关 (机械防跳)
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