Woodward governor 505

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Thread Starter

Yogesh

We have two STG sets of 22.4MW each which are connected to the grid (132KV) and controlled by woodward 505. One day due to voltage jerk in the grid one TG changed from Auxiliary mode to the speed mode. The load on this TG raised from 24.3MW to 27MW. We controlled the load on the TG by decreasing the RPM. Has anyone has any idea about it?
 
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