The Power generation (Load),
in a power plant can be changed by modulating governer valve. This will cause a
change in steam flow in turn a change in steam pressure.The Boiler Master will
change the fuel demand from the SF as FF and by deviation in pressure as feed
back.This Process where in the Boiler Pressure Control "Follows"
Turbine Load controller is known as the "Boiler Follow" mode of
operation. During Boiler Follow mode, Boiler Master will be on Auto
(controlling pressure) and Turbine Master will be on Manual or local Auto
(controlling MW).
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