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2009-09-29 Power Systems Control and Stability II

2009-09-29 Power Systems Control and Stability II - Power...

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Power Systems Control and Stability II Jovan Ili ć ECE 18-418 Fall 2009
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Electrical Power System Essentials Voltage Control and Reactive Power [2] Automatic voltage control (AVR) Possible parallel generators problems: faster vs slower AVR controller slightly mismatched set points
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Electrical Power System Essentials Voltage Control and Reactive Power Tap-changing transformer 1 2 1 2 2 | | | | | | | | | | V V n V n V V n 1 1 2 0 and V const V n V n V        
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: 2 : 1 1.5 100 5676 0 146.8 36.9 | | | | | | | | 0.983 restores 5773.5 l t t l l l P MW Q MVar MVar V V V V I V V I n I n V V n     Figure example 5.10
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Electrical Power System Essentials Voltage Control and Reactive Power Capacitor banks Courtesy of TenneT TSO B.V. 2 2 | | | | V Q C V X
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