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Smart Grid TechnologyPrinciple and Application
Smart Grid Measurement and Control
Krischonme Bhumkittipich, D.Eng., SM-IEEEDepartment of Electrical Engineering
Rajamangala University of Technology Thanyaburi, Thailand
E-mail: [email protected]
Curriculum VitaeKrischonme Bhumkittipich, D.Eng.(Energy)
q Associate Professor in Electrical Engineering, RMUTT.q Director of Graduate School, RMUTT.q Research Associated at
q Asian Institute of Technologyq RWTH-Aachen University
q Publications: >100 papers (Both TH and EN)q Research Interest:
q Power System Dynamic and Stabilityq Power System Interconnectionq Smart Grid Technology
q Teachingq Advanced Mathematicsq Computer-Aided Power System Analysisq Optimization Technique & AI on Power Systemq Power System Dynamic and Stabilityq Smart Grid Technology
Smart Grid Technology: Principle and Application
Krischonme Bhumkittipich 2
Outline
l Background of Electrical Power SystemØ presented by Dr. Krischonme Bhumkittipich (KB)
l Smart Grid Concept and TechnologyØ presented by Dr. Krischonme Bhumkittipich (KB)
l Smart Grid Measurement and ControlØ presented by Dr. Krischonme Bhumkittipich (KB)
l Application of Smart Grid TechnologyØ presented by Dr. Yuttana Kongjeen
Smart Grid Technology: Principle and Application
Krischonme Bhumkittipich 3
Physical Structures
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Supervisory Control and Data Acquisition (SCADA)
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Energy Management Systems
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Hierarchical Control Structure
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Time Scales of Power System Control
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Schematic Diagram of a Steam-Turbine Generator
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Basic Generator Control Loops
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Reactive Power and Voltage Control
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Real Power and Frequency Control
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Automatic Generation Control (AGC)
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Purpose of AGC
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3 Components of AGC
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Basic Control Theory
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Basic Frequency Control Loops
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Real Power Control: Block Diagram
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Generator Model
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Generator Model: Block Diagram
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Load Model
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Load Model: Block Diagram
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Generator-Load Model
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Turbine (Prime Mover) Model
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Governor Model
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Governor Model: Block Diagram
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Turbine-Governor Model
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Speed-Power Relationship
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The Unit for Regulation (R)
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Static Speed-Power Curve
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Example
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Example
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AGC for Single Generator
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Steady-State Frequency Calculation: Without Load Damping
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Steady-State Frequency Calculation: With Load Damping
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Example
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Example
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Example
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AGC for Multiple Generators
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Power Balance Equation at Each Bus
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Load Power Equation
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Turbine Mechanical Power Output
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AGC for Multiple Generators
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Tie-line Model
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Tie-Line Block Diagram
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AGC for Two Generators
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Static Speed-Power Characteristic
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Steady State Frequency Calculation
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Note that…
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NERC Control Areas
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Simplified Control Model
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Area Frequency Response Characteristic “β”
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Area Frequency Response Characteristic “β” with Load Damping
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Example
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Power Pool Operation
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AGC for Multi Areas
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Area Control Error (ACE)
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Frequency Bias Setting “B”
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ACE: Tie-Line Bias Control
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AGC for 2-Area with Tie-line Bias Control: Block Diagram
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AGC for 2-Area with Tie-line Bias Control : Static Speed-Power Curve
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Example
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Example Frequency Calculation
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Example ACE Calculation
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Example: Control Action
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ERCOT Frequency Plot
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ERCOT ACE
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Economic Dispatch
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