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Condensate pump automatic trip processing 2020-04-11


1. Phenomenon:

 

The vacuum of the condenser drops, the load of the turbine decreases; the current and flow indicator of the condensate pump is zero; the green light of the switch of the tripped condensate pump flashes, and the red light of the switch of the self-starting condensate pump flashes.

 

2. Handling:

 

(1) If the standby condensate pump has started successfully, reset the switches and adjust the operating parameters to normal.

 

(2) If the standby condensate pump fails to start automatically, manually start the standby condensate pump (no standby condensate pump, forced start of the tripped condensate pump), if the manual start is unsuccessful, reduce the turbine load operation according to the following table, and contact electrical personnel Manually close the air switch of the condensate pump on the spot.

 

(3) If the vacuum of the steam turbine falls to the shutdown limit value, it should be shut down immediately and the DC oil pump should be started.


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