EE8702 - POWER SYSTEM OPERATION AND CONTROL (Syllabus) 2017-regulation Anna University

EE8702 - POWER SYSTEM OPERATION AND CONTROL (Syllabus) 2017-regulation Anna University

EE8702

POWER SYSTEM OPERATION AND CONTROL

 LPTC

3003

OBJECTIVES: To impart knowledge on the following topics
• Significance of power system operation and control.
• Real power-frequency interaction and design of power-frequency controller.
• Reactive power-voltage interaction and the control actions to be implemented for maintaining the voltage profile against varying system load.
• Economic operation of power system.
• SCADA and its application for real time operation and control of power systems

UNIT I

PRELIMINARIES ON POWER SYSTEM OPERATION AND CONTROL

9

Power scenario in Indian grid – National and Regional load dispatching centers – requirements of good power system - necessity of voltage and frequency regulation - real power vs frequency and reactive power vs voltage control loops - system load variation, load curves and basic concepts of load dispatching - load forecasting - Basics of speed governing mechanisms and modeling - speed load characteristics - regulation of two generators in parallel.

UNIT II

REAL POWER - FREQUENCY CONTROL

9

Load Frequency Control (LFC) of single area system-static and dynamic analysis of uncontrolled and controlled cases - LFC of two area system - tie line modeling - block diagram representation of two area system - static and dynamic analysis - tie line with frequency bias control – state variability model - integration of economic dispatch control with LFC.


UNIT III

REACTIVE POWER – VOLTAGE CONTROL

9

Generation and absorption of reactive power - basics of reactive power control – Automatic Voltage Regulator (AVR) – brushless AC excitation system – block diagram representation of AVR loop - static and dynamic analysis – stability compensation – voltage drop in transmission line - methods of reactive power injection - tap changing transformer, SVC (TCR + TSC) and STATCOM for voltage control.

UNIT IV

ECONOMIC OPERATION OF POWER SYSTEM

9

Statement of economic dispatch problem - input and output characteristics of thermal plant - incremental cost curve - optimal operation of thermal units without and with transmission losses (no derivation of transmission loss coefficients) - base point and participation factors method - statement of unit commitment (UC) problem - constraints on UC problem - solution of UC problem using priority list – special aspects of short term and long term hydrothermal problems.

UNIT V

COMPUTER CONTROL OF POWER SYSTEMS

9

Need of computer control of power systems-concept of energy control centers and functions – PMU - system monitoring, data acquisition and controls - System hardware configurations - SCADA and EMS functions - state estimation problem – measurements and errors - weighted least square estimation - various operating states - state transition diagram.

TOTAL: 45 PERIODS

OUTCOMES:
• Ability to understand the day-to-day operation of electric power system.
• Ability to analyze the control actions to be implemented on the system to meet the minute-to-minute variation of system demand.
• Ability to understand the significance of power system operation and control.
• Ability to acquire knowledge on real power-frequency interaction.
• Ability to understand the reactive power-voltage interaction.
• Ability to design SCADA and its application for real time operation.

TEXT BOOKS:
1. Olle.I.Elgerd, ‘Electric Energy Systems theory - An introduction’, McGraw Hill Education Pvt. Ltd., New Delhi, 34th reprint, 2010.
2. Allen. J. Wood and Bruce F. Wollen berg, ‘Power Generation, Operation and Control’, John Wiley & Sons, Inc., 2016.
3. Abhijit Chakrabarti and Sunita Halder, ‘Power System Analysis Operation and Control’, PHI learning Pvt. Ltd., New Delhi, Third Edition, 2010.

REFERENCES:
1. Kothari D.P. and Nagrath I.J., ‘Power System Engineering’, Tata McGraw-Hill Education, Second Edition, 2008.
2. Hadi Saadat, ‘Power System Analysis’, McGraw Hill Education Pvt. Ltd., New Delhi, 21st reprint, 2010.
3. Kundur P., ‘Power System Stability and Control, McGraw Hill Education Pvt. Ltd., New Delhi, 10th reprint, 2010.

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