GE Kelman DGA900, Operator'S Manual

Page: 55 / 92

MA-025 – DGA 900 Operator Guide – Rev 2.0 12-Apr-19 Page 55 of 92
6.14 Shutdown Procedure
If the product is to be shut down, perform the following steps:
Log in to the DGA 900 to observe the operating state on the dashboard as shown in
Figure 6-61.
Figure 6-61: System Info – Standby
If the product is in “Standby” state, t hen proceed to shut down the product as follows:
−
Turn the external switch or circuit breaker to the ‘Off’ position.
−
Turn the transformer oil valves that connect to the input and output of the product
to the ‘ Closed ’ position.
If the product is performing a measurement as shown in Figure 6-62, then
−
Either wait for the product to finish the active measurement or manually stop the
measurement. For the latter, choose
Stop Measurement as shown in Figure 7-10.
−
The DGA 900 state changes to “Oil Draining”. This process may take several minutes
after which the product state returns to “ Standby ” as shown in Figure 6-61.
−
T urn the external switch or circuit breaker to the ‘Off’ position.
−
Turn the transformer oil valves that connect to the input and output of the product
to the ‘ Closed ’ position.
Figure 6-62: Measurement started
When the product is to be powered up again, first turn the transformer oil valves that
connect to the input and output of the product to the ‘O pe n’ position. Then turn ‘O n ’ the
external switch or circuit breaker. The product will be ready to resume taking scheduled
readings.