Closing The Three-Position Disconnector; Opening The Three-Position Disconnector - Siemens NXPLUS C Installation And Operating Instructions Manual
Medium-voltage switchgear/wind fixed mounted circuit-breaker switchgear up to 36 kv, extendable
Hide thumbs
Also See for NXPLUS C:
- Installation and operating instructions manual (293 pages) ,
- Installation and operating instructions manual (266 pages)
Table of Contents
Advertisement
802-9074.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C Wind • Revision 05
21.2
Closing the three-position disconnector
ATTENTION!
Before operating the three-position disconnector:
Make sure that the circuit-breaker is in OPEN position.
DANGER!
For ring-main panels: If the switch-disconnector or the earthing switch are operated although
the switchgear is not ready for service (see page 132, "Checking the ready-for-service
indicator"), this can cause an arc fault that will damage the switchgear and endanger the life of
the people present.
If the ready-for-service indicator is in the red area, do not switch.
Push the interrogation lever downwards.
Push the control gate to the left.
The opening for the DISCONNECTING operation is free.
r
Insert the operating lever for the DISCONNECTING operation and turn 180° clockwise.
The three-position disconnector is closed.
r
Remove the operating lever for the DISCONNECTING operation.
The interrogation lever and the control gate return to their initial position.
r
21.3
Opening the three-position disconnector
ATTENTION!
Before operating the three-position disconnector:
Make sure that the circuit-breaker is in OPEN position.
DANGER!
For ring-main panels: If the switch-disconnector or the earthing switch are operated although
the switchgear is not ready for service (132, "Checking the ready-for-service indicator"), this
can cause an arc fault that will damage the switchgear and endanger the life of the people
present.
If the ready-for-service indicator is in the red area, do not switch.
Push the interrogation lever downwards.
Push the control gate to the left.
The opening for the DISCONNECTING operation is free.
r
Insert the operating lever for the DISCONNECTING operation and turn 180° counter-
clockwise.
The three-position disconnector is open.
r
Remove the operating lever for the DISCONNECTING operation.
The interrogation lever and the control gate return to their initial position.
r
Operation
137/172
Advertisement
Table of Contents
