SecoGear 24kV-27kV Air Insulation Switchgear
32
Spare parts
Please refer to recommended spare parts list below. Other spare parts are also available based on customer's requirement.
S/N
Name
Unit
Comments
1
Heater
Piece
2
Key for door lock
Piece
3
Earthing switch operating handle
Piece
4
27KV Service Truck T800
Set
5
27KV Service Truck T1000
Set
Appendix A - Onsite service safety instruction
Before operating the equipment, please check and make sure to
follow all safety requirement.
If for any reason the work is interrupted, please make sure site
safety procedure is followed when restarting the work.
•
Before operating, please check site layout, both inside
and outside of the electrical operating area, earthing line
layout, ON or OFF condition of the control power, state of
the temporary power, and if any personnel is present and all
safety/emergency exits are clear.
•
Ensure if safety procedures on working sheet are well
implemented, recheck if the safety procedures comply with
requirements, if isolation procedure between live equipment
and test equipment is established, and there are clear
instructions on the product labels.
The connection sequence as follows:
Confirm the equipment be powered off and make sure to
follow proper safety measures.
•
One side of conductor is connected with wall bushing
by using one screw(M5X8) and a flat washer, required
torque is 5Nm.
•
Another side of connecting conductor is connected
with main busbar by using another screw(M5X10) and
a flat washer, required torque is 5Nm.
•
Replacement can be done with the above instructions
following the previous instructions in reverse order.
•
Once equipment is in power off phase, it is strictly forbidden
to operate the circuit breaker or switch. Please switch OFF
circuit breaker and move VCB to test or withdrawn position.
Instrument and power transformer to power of the equipment
shall be switched off in order to avoid any unintended
charging of the equipment.
•
Please confirm the switchgear reference data and series
number to avoid working on the wrong equipment.
•
All current transformer and voltage transformer secondary
winding shall only have one permanent and reliable protective
earthing.
•
If it is necessary that personnel must service the switchgear,
please make sure to contact GE or that site personnel is
properly trained and are capable of following proper safety
measures.
Cut off the heat-shrinkable tube (the surface side which close
the conductor) with the area of 30x30mm around the threaded
hole (See Figure 6/16).
Figure 6/17
Threaded Hole (M5)
