Monday, March 2, 2015

Willans Line

The relationship between load and steam consumption for a turbine governed by throttling is given by the well known "Willans Line", which is a straight line between no load and most economic load, as shown



Go = 350 t/h
G = 2250 t/h
K = 710 MW

Equation of a straight line G = Go + m.K.

The specific steam consumption (m) is found by

m = (G - Go)/K
m = (2250 - 350)/710 = 2.67




From Willans line can be found that losses of Turbine is 130MW.







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