The incremental fuel costs, in dollars per megawatthour, for two units in a plant are given by dF dF dP, dP, Select one: = 0.007P, +7 and During a 24-h period the load on each unit varies between 100 MW and 500 MW, whereas the plam 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 plan at this point? Neglect losses. a. a: 122.22MW. b: 222.22KW b. a: 222.22MW. b: 122.22KW ca: 122.22MW, b: 222.22MW = 0.009P₂ + 6

The incremental fuel costs, in dollars per megawatthour, for two units in a plant are given by dF dF dP, dP, Select one: = 0.007P, +7 and During a 24-h period the load on each unit varies between 100 MW and 500 MW, whereas the plam 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 plan at this point? Neglect losses. a. a: 122.22MW. b: 222.22KW b. a: 222.22MW. b: 122.22KW ca: 122.22MW, b: 222.22MW = 0.009P₂ + 6

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 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

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