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# Power System Operation and Control

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### Power System Operation and Control

1. 1. POWER SYSTEM OPERATION AND CONTROL PRESENTED BY: Submitted to: SHANKAR SETHY Dr. Abhimanyu MohapatraELECTRICAL ENGINEERING Dr. Ranjan Kumar Jena CET,BBSR
2. 2. CONTENTS:* CONSTRAINTS OF POWER SYSTEM 1.ACTIVE POWER CONSTRAINT 2.REACTIVE POWER CONSTRAINT 3.VOLTAGE MAGNITUDE CONSTRAINT 4.LOAD ANGLE CONSTRAINT* LOAD FLOW ANALYSIS 1.BUS CLASSIFICATION 2.BASIC POWER FLOW CONDITIONS 3.DEVELOPMENT OF Y-BUS MATRIX
3. 3. CONSTRAINTS:CONSTRAINTS MEANS LIMITATIONS ORBASIC OPERATING CONDITIONS INPOWER SYSTEMFOUR CONSTRAINTS ARE THERE.1.ACTIVE POWER CONSTRAINT2.REACTIVE POWER CONSTRAINT3.VOLTAGE MAGNITUDE CONSTRAINT4.LOAD ANGLE CONSTRAINT
4. 4. LOAD FLOW ANALYSIS:* IT IS A BALANCED MECHANISMBETWEEN DEMAND AND GENERATIONUNDER INCREMENTAL LOADINGCONDITIONS*AT PRESENT,, FOR SAFE OPERATIONOF THE SYSTEM AND IN FUTURE,, FORTHE EXTENSION OF POWER SYSTEM
5. 5. BASIC POWER FLOW CONDITIONS:1.REACTIVE POWER IS PROPORTIONALTO BUSBAR VOLTAGE2.ACTIVE POWER IS PROPORTIONALTO LOAD ANGLE
6. 6. BUS CLASSIFICATION(a) LOAD BUS (OR) P-Q BUS(b) GENERATOR BUS (OR) P-V BUS(c) SLACK BUS
7. 7. DEVELOPMENT OF Y-BUS MATRIX:HERE TWO CASE STUDIES ARECONSIDERED TO DEVELOP Y-BUSMATRIX.(1) BY CONSIDERATION OF LINERESISTANCE & INDUCTANCE ONLY(2) CAPACITANCE TAKEN INTOCONSIDERATION ALONGWITHRESISTANCE & INDUCTANCE
8. 8. CASE - 1:CONSIDER THE DIAGRAM
9. 9. CONSIDER THE FOLLOWING FIGURE
10. 10. CASE - 2:CAPACITANCE EXISTS IN SHUNT, DISTRIBUTEDALONG THE LINE AS SHOWN IN THE FIGURE
11. 11. THIS IS ALL ABOUT SYSTEMMODELLING AND Y-BUSMATRIX.NOW I CONCLUDE HERE.THANKS……