Engine Shuts Down During Start-Up

S

Thread Starter

shinobi

Hi guys,

Recently we faced a problem on starting of one of our engines, so this is procedure.

engine started by start push button then after reaching to 750 r.p.m. then AVR apply voltage and voltage increasing to 14 KV, but NOT decreasing to 11kV. and protection relay tripped by O.V relay but during tripping.

we fast reset relay and engine keep running, and again voltage increases to normal level and stay ok at 11KV and we sync.

so THERE IS MY QUESTION WHAT IS YOUR SUGGESTION ABOUT ELIMINATION OF THIS FAULT?

ENGINE: WARTSILA
ALTERNATOR: BHARAT 11KV 8000 KVA
AVR: UNITROL 1000-15
 
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