Commissioning; Checking The Installation Work; Test Operation - Siemens 8DA Installation Instructions Manual
Medium-voltage switchgear
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Also See for 8DA:
- Operating instructions manual (48 pages) ,
- Operating instructions manual (36 pages)
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Electrical operation of
switching devices
Mechanical operation of
switching devices
Checking interlocks and
indicators
48
14
Commissioning
14.1
Checking the installation work
!
Carry out a final check to make sure that all installation work has been performed
according to these installation instructions.
14.2
Test operation
Read the operating instructions before the test operation. Test operation helps you to
verify the perfect operation of the switchgear without high voltage.
The work described below must be performed on each panel.
DANGER!
Operating the switchgear under high voltage for test can destroy the switchgear and
cause personal injuries.
!
Switch off high voltage before test operation.
ATTENTION!
If defective or incorrectly assembled switchgear is put into operation, this can damage
or destroy parts of the switchgear.
!
Never put switchgear into operation if you notice during test operation that a part of
it does not work as described in here.
!
Switch on all auxiliary and control voltages. The motor must start up immediately
after in order to charge the closing spring and the circuit-breaker operating
mechanism.
!
Close and open the circuit-breaker several times. The motor must recharge the
circuit-breaker operating mechanism automatically.
!
Close and open the disconnectors and earthing switches several times.
DANGER!
Charging the circuit-breaker operating mechanism by hand can cause injuries due to the
suddenly starting motor.
!
Charge the vacuum circuit-breaker with the supplied original hand crank with
freewheel only.
!
Switch off all auxiliary and control voltages.
!
Charge the circuit-breaker operating mechanism by hand.
!
Close and open the circuit-breaker.
!
Close and open the busbar earthing switch several times.
All circuit-breakers, disconnectors and earthing switches are closed and opened,
checking the interlocks and indicators at the same time.
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