How many loops are there in the power plant? how many closed &
open loop in the power plant ? Please give me the exact
clarification?
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Answer Posted / r.murugan
important closed loop in boiler side
1.Drum level control (single element control and three
element control)
single element control : only drum level
three element control : steam flow, feedwater flow, drumlevel
2.boilerfeedpump scope control,super heater spray
temparature control,hp heater level control,lp heater level
control,presure reducing control,dearator level control
o2 master control,
turbine side control: speed control (during start up),load
control,intial pressure control,exhaust temp control, load
drop control,oiltemp control,
open loop control based on unit capacity
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