An isolated 75MVA synchronous generator feeds its own load and operates initially at no-load at 3000

An isolated 75MVA synchronous generator feeds its own load and operates initially at no-load at 3000 rpm, 50 Hz A 20MW load is suddenly applied and the steam valves to the turbine start to open after 05 s due to the time-lag in the governor system Calculate the frequency to which the generated voltage drops before the steam flow meets the new load The stored energy for the machine is 4 kWs per kVA of generator capacity

 

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