Given 3 parallel thermal units U1, U2 and U3 where their input-output fuel functions are as follows: Input-Output function (MBtu/h) Fuel Cost ($/MBtu) 1.0 2.5 1.2 Unit Period jλ, U1U2U3P1 P2 P3 1 7 2 8 3 11 4 12 1 2 H₁ (P₁)=250+ 3*P₁ +0.025*P₁² H₂(P₂) - 140 + 0.8*P₂ +0.006*P₂² H3(P3) = 375 +1.25*P3 +0.01*P3² 3 No start-up costs; no minimum up- or downtime constraints are considered. The Lagrange Relaxation Method is used to solve the unit commitment problem of these 3 units, with the starting A values given in the below table: Min MW Max MW The output power and status of unit 2 in load period 2 is: 100 150 75 200 600 300

Given 3 parallel thermal units U1, U2 and U3 where their input-output fuel functions are as follows: Input-Output function (MBtu/h) Fuel Cost ($/MBtu) 1.0 2.5 1.2 Unit Period jλ, U1U2U3P1 P2 P3 1 7 2 8 3 11 4 12 1 2 H₁ (P₁)=250+ 3P₁ +0.025P₁² H₂(P₂) - 140 + 0.8P₂ +0.006P₂² H3(P3) = 375 +1.25P3 +0.01P3² 3 No start-up costs; no minimum up- or downtime constraints are considered. The Lagrange Relaxation Method is used to solve the unit commitment problem of these 3 units, with the starting A values given in the below table: Min MW Max MW The output power and status of unit 2 in load period 2 is: 100 150 75 200 600 300

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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