Protection Systems of Twin-Shaft Gas Turbine

H

Thread Starter

Hadi

In Some Protection Systems of twin-shaft gas turbine, there is Some Constraints between First rotor speed and Second rotor.

For Example, If the first rotor speed reach to 3000 RPM the Second rotor speed must be greater than 1000 RPM. in the otherwise, control system activates the trip signal.

i would be thankful if anyone can help me in finding the reason of this type of Constraints. I don't know these constraint is considered for Surge Protection or Vibration or Flame Sustainability Protection etc.
 
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