Wednesday, June 13, 2012
EE2401 POWER SYSTEM OPERATION AND CONTROL Syllabus EEE Seventh(7th) Semester - Anna University - Regulation 2008
EE2401 POWER SYSTEM OPERATION AND
CONTROL L T P C
3 0 0 3
AIM:
To understand the day to day operation of power system
and the control actions to be implemented
on the system to meet the minute-to-minute variation of
system load demand.
OBJECTIVES:
i. To have an overview of power system operation and
control.
ii. To model power-frequency dynamics and to design
power-frequency controller.
iii. To model reactive power-voltage interaction and the
control actions to be implemented for
maintaining the voltage profile against varying system
load.
UNIT I INTRODUCTION 9 System load – variation - load
characteristics - load curves and load-duration curve (daily,
weekly and annual) - load factor - diversity factor.
Importance of load forecasting and simple
techniques of forecasting. An overview of power system
operation and control and the role of
computers in the implementation. (Qualitative treatment
with block diagram).
UNIT II REAL POWER - FREQUENCY CONTROL
9 Basics of speed
governing mechanism and modeling - speed-load characteristics – load sharing
between two synchronous machines in parallel. Control
area concept LFC control of a singlearea
system. Static and dynamic analysis of uncontrolled and
controlled cases. Integration of
economic dispatch control with LFC. Two-area system –
modeling - static analysis of uncontrolled
case - tie line with frequency bias control of two-area
system - state variable model.
UNIT III REACTIVE POWER–VOLTAGE
CONTROL 9 Basics of
reactive power control. Excitation systems – modeling. Static and dynamic
analysis -
stability compensation - generation and absorption of
reactive power. Relation between voltage,
power and reactive power at a node - method of voltage
control - tap-changing transformer. System
level control using generator voltage magnitude setting,
tap setting of OLTC transformer and
MVAR injection of switched capacitors to maintain
acceptable voltage profile and to minimize
transmission loss.
UNIT IV UNIT COMMITMENT AND ECONOMIC
DISPATCH 9 Statement
of economic dispatch problem – cost of generation – incremental cost curve
co-ordination
equations
without loss and with loss, solution by direct method and λ-iteration method. (No
derivation of loss coefficients). Statement of Unit
Commitment problem – constraints; spinning
reserve, thermal unit constraints, hydro constraints,
fuel constraints and other constraints. Solution
methods - Priority-list methods - forward dynamic
programming approach. Numerical
problems only in priority-list method using full-load
average production cost.
UNIT V COMPUTER CONTROL OF POWER
SYSTEMS 9
Need of computer control of power systems. Concept of
energy control centre (or) load dispatch
centre and the functions - system monitoring - data
acquisition and control. System hardware
configuration – SCADA and EMS functions. Network topology
- state estimation - security analysis
and control. Various operating states (Normal, alert,
emergency, in-extremis and restorative). State
transition diagram showing various state transitions and
control strategies.
TOTAL : 45 PERIODS
76
TEXT BOOKS
1. Allen. J. Wood and Bruce F. Wollenberg, ‘Power
Generation, Operation and Control’, John Wiley
& Sons, Inc., 2003.
2. Chakrabarti & Halder, “Power System Analysis:
Operation and Control”, Prentice Hall of India,
2004 Edition.
REFERENCES
1. D.P. Kothari and I.J. Nagrath, ‘Modern Power System
Analysis’, Third Edition, Tata McGraw Hill
Publishing Company Limited, New Delhi, 2003. (For
Chapters 1, 2 & 3)
2. L.L. Grigsby, ‘The Electric Power Engineering, Hand
Book’, CRC Press & IEEE Press, 2001.
3. Hadi Saadat, “Power System Analysis”, (For the
chapters 1, 2, 3 and 4)11th
Reprint
2007.
4. P.Kundur, ‘Power System Stability and Control’ MC Craw
Hill Publisher, USA, 1994.
5. Olle.I.Elgerd, ‘Electric Energy Systems theory An
introduction’ Tata McGraw Hill
Publishing
Company Ltd. New Delhi, Second Edition 2003.
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