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PROBLEMS 141 a. Use the lambda iteration method to find the economic dispatch for a total demand of 450 MW. b. Use the base-point and participation factor method to find the economic schedule for a demand of 495 MW. Start from the solution to part a. c. Use a gradient method to find the economic schedule for a total demand of 500 MW, assuming the initial conditions (i.e., loadings) on the three units are P = P, = 100 MW and P, = 300 MW Give the individual unit loadings and cost per hour, as well as the total cost per hour to supply each load level: (MBtu=millions of Btu;H=heat input in Btu/h; P, = electric power output in MW; i= 1,2,3).

PROBLEMS 141 a. Use the lambda iteration method to find the economic dispatch for a total demand of 450 MW. b. Use the base-point and participation factor method to find the economic schedule for a demand of 495 MW. Start from the solution to part a. c. Use a gradient method to find the economic schedule for a total demand of 500 MW, assuming the initial conditions (i.e., loadings) on the three units are P = P, = 100 MW and P, = 300 MW Give the individual unit loadings and cost per hour, as well as the total cost per hour to supply each load level: (MBtu=millions of Btu;H=heat input in Btu/h; P, = electric power output in MW; i= 1,2,3).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Power generation ~ - Operation and control Q .3-7 page 140
PROBLEMS 141 a. Use the lambda iteration method to find the economic dispatch for a total demand of 450 MW. b. Use the base-point and participation factor method to find the economic schedule for a demand of 495 MW. Start from the solution to part a. c. Use a gradient method to find the economic schedule for a total demand of 500 MW, assuming the initial conditions (i.e., loadings) on the three units are P = P, = 100 MW and P, = 300 MW Give the individual unit loadings and cost per hour, as well as the total cost per hour to supply each load level: (MBtu=millions of Btu;H=heat input in Btu/h; P, = electric power output in MW; i=1,2,3).
Transcribed Image Text:PROBLEMS 141 a. Use the lambda iteration method to find the economic dispatch for a total demand of 450 MW. b. Use the base-point and participation factor method to find the economic schedule for a demand of 495 MW. Start from the solution to part a. c. Use a gradient method to find the economic schedule for a total demand of 500 MW, assuming the initial conditions (i.e., loadings) on the three units are P = P, = 100 MW and P, = 300 MW Give the individual unit loadings and cost per hour, as well as the total cost per hour to supply each load level: (MBtu=millions of Btu;H=heat input in Btu/h; P, = electric power output in MW; i=1,2,3).
3.7 Economic Dispatch Using Different Methods of Solution Assume that all three of the thermal units described next are running. Find the economic dispatch schedules as requested in each part. Use the method and starting conditions given. Minimum Мaximum Fuel Cost (S/ MBtu) Unit Data (MW) (MW) H, = 225+8.4P, + 0.0025P 350 45 0.80 H, = 729+6.3P, +0.0081P H, = 400+7.5P, +0.0025P, 45 350 1.02 47.5 450 0.90
Transcribed Image Text:3.7 Economic Dispatch Using Different Methods of Solution Assume that all three of the thermal units described next are running. Find the economic dispatch schedules as requested in each part. Use the method and starting conditions given. Minimum Мaximum Fuel Cost (S/ MBtu) Unit Data (MW) (MW) H, = 225+8.4P, + 0.0025P 350 45 0.80 H, = 729+6.3P, +0.0081P H, = 400+7.5P, +0.0025P, 45 350 1.02 47.5 450 0.90
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