High Speed DC Circuit Breaker - G E Power Controls
High Speed DC Circuit Breaker - G E Power Controls
High Speed DC Circuit Breaker - G E Power Controls
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4. Electrical circuits<br />
4.1 <strong>Controls</strong> layout<br />
Closing solenoid drive<br />
Shunt trip / Zero voltage release<br />
ED coil<br />
OCT device<br />
HS 1...HS 10<br />
OCT indicator<br />
Arc chute-indicator<br />
Description<br />
Designation<br />
X2<br />
1.Connector: Auxiliary- and control circuits<br />
X3<br />
2.Connector: Auxiliary- and control circuits<br />
X4<br />
3.Connector: Auxiliary contacts HS1...HS5<br />
X5<br />
4.Connector: Auxiliary contacts HS6...HS10<br />
X6<br />
5.Connector: Current measure system SEL<br />
X10<br />
Control board: Voltage converter<br />
X11<br />
Control board: Interface for external <strong>DC</strong> 24V supply (OPTION)<br />
X12<br />
Control board: SU control unit<br />
X13<br />
Control board: Shunt trip control unit<br />
X14, X15 Control board: Zero voltage release (X15: with modified UVR)<br />
X16<br />
Control board: NEKO control unit for ED coil control<br />
X17<br />
Control board: Current measure system SEL<br />
Fig. 20 Control system’s layout<br />
14 Design and specifications are subject to change without notice 01/2008
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