Sakis Meliopoulos (Georgia Tech) - ecedha
Sakis Meliopoulos (Georgia Tech) - ecedha
Sakis Meliopoulos (Georgia Tech) - ecedha
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Arun Phadke’s Arun Phasor Phadke’s Measurement PMS System<br />
Block Block Diagram Diagram Published Published by by Arun Arun Phadke Phadke<br />
Vintage 1990-92<br />
several units<br />
were Several sold Units to<br />
AEP, Were NYPA, Sold to<br />
others<br />
Vintage 1990-91<br />
AEP, NYPA,<br />
others<br />
Time Time Accuracy Accuracy Was Was Never Never Measured Measured or or Reported. Reported.<br />
Multiplexing Multiplexing and and Design Design Suggest Suggest Very Very High High Timing Timing Error Error<br />
Estimated Estimated Time Time Precision: Precision: 100 100 us, us, 2 degrees degrees at at 60 60 Hz Hz<br />
NSF/ECEDHA Education Workshop<br />
<strong>Georgia</strong> <strong>Tech</strong> GLC, Atlanta, <strong>Georgia</strong>, July 9-12, 2011<br />
CHARACTERISTICS<br />
• Analog Filter with<br />
Cutoff Frequency of<br />
360Hz<br />
• Sample & Hold A/D<br />
<strong>Tech</strong>nology with<br />
Analog Multiplexing<br />
• 12 bit S&H A/D 720<br />
s/s<br />
1.24
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