power system analysis operation and control - abhijit chakrabarti _ sunita halder.pdf

POWER SYSTEM ANALYSIS Operation and Control

ABHIJIT CHAKRABART! Professo r, Department of Elcdrical Engineering Bengal Engineering and Science University Shibpur, Howrah

SUNITA HALDER Lecturer, Department of Elect rical Engineering Jada vpu r University Kolkata

Prentice-Hall of India i?oiIwlill@ ilJllMllKl@@l New Delhi-11 0001

2006

T hca. .

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1 As. 450.00

POWER SYSTEM ANALYSIS: OperatIon and Control Abhij~ Chakrablortl

and &.Ilta Halc»r

o 2006 by p,entic..... of india PrIvate Llmlted, New DeIhl ..... ~ _lid. No PIIrt oIlhis book may be 'iiIj)OoduI:ed In any lam, by mimeogIaph or any oIhItr~. ",Ithoul pennIssion r. writing from the publisher. IS8N~I-203-2777-2

The export rights of Ihls book ala vested solely with the publl$her. Second Pflntlng

SII'N"'W, 2001

PuIlIishod by Asoka K. Gt.:>sh, Prentice-lid 01 India Privaltl Umi\otd, M-97, CornIo.VlI Circus, New Dalhi· l10001 and Printed by J.y Pmt PKk PM. limited, New o.flI.l10015.

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Contents Pre{ace ..... .................................... ..... ............. ........ ................ ,........ ......... ..." ................ ................. .... xiii

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Introduction .................. " ............... " " " ............ """,,",,",, ............. ,,"",, ......... 1- 12 1.1 1.2

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StruClurc o f oil. Power Syslan ............ ............................ ..................................................... I The NC'Ccssity of Contro l o f oil. Power System ................................................................. 3 1.2,1 Cn ntmJ M c1brxls ..... . ... . ........ " .. "" . " ... " " .......... . 5

1.2.2

Advanta es of Co

ute r Control ._.. ,.............................. _........................... .......... 5

12.3

Trpc:s of Computer Control Syslem ..... ..... ................. ............. ........ .... .................. 5

Power S tem R resentation ...... ,.... ,....................... .,...... ......... ,.... ,... ...... _.............. ,........ 6

1.4 1.5

Pov.'er System at Normal Operatin g State .. __ _.... _.... _........ _....... _._,........................ _............. 7 Operating Prob lems in Power Systems ........ ..................................................................... 8 1.5. 1 Loadabilicy of Transmiss io R Lines ........................................................................ 8 1.52 Frequency Dynamics of Tra nsmission Line ....................................................... 10 1.5.3 Overload and Frequency Decay Rate ......................................................... ,....... 10 1.5.4 Tra ns ient Stab ilicy Problem .................................... ,..... __ ...................................... 12 1