1) The incremental fuel costs, in dollars per mega watt hour for two units in a plant are given by : = 0,009 P₂ +6 dF P = 0,007 P₁ + 7 and df₂ dP₂ During 24 hour period the load on each unit varies between loo Mw and 500 MW, Whereas the plant output varies from 200 MW to 700 MW. a) At what power level should unit 2 begin to take on all the additional load for the most economic operation of the plant? b) What is the power output of the plant at this point? Neglect Josses. Select one: O a: 222, 22 MW O b: 122, 22 MW OC: 122, 22 MW b: 122, 22 Kw b: 222, 22 MW b: 222, 22 kW b; 122, 22M W

1) The incremental fuel costs, in dollars per mega watt hour for two units in a plant are given by : = 0,009 P₂ +6 dF P = 0,007 P₁ + 7 and df₂ dP₂ During 24 hour period the load on each unit varies between loo Mw and 500 MW, Whereas the plant output varies from 200 MW to 700 MW. a) At what power level should unit 2 begin to take on all the additional load for the most economic operation of the plant? b) What is the power output of the plant at this point? Neglect Josses. Select one: O a: 222, 22 MW O b: 122, 22 MW OC: 122, 22 MW b: 122, 22 Kw b: 222, 22 MW b: 222, 22 kW b; 122, 22M W

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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