Instantaneous phasor method for obtaining instantaneous balanced fundamental components for power quality control and continuous diagnostics

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This paper introduces an instantaneous phasor method that considers three phases simultaneously. This method produces the instantaneous fundamental balanced components of the polluted voltages or currents. A figure shows three-phase voltages that contain 5% of fundamental magnitude for each order of the 3rd, 5th, 7th, 9th and the 11th harmonics, respectively. Additionally, the voltages have 5% unbalance for all voltage components. A 10% fundamental-frequency zero-sequence component, as well as a 10% fundamental-frequency negative-sequence component are also added to the phase voltages. Furthermore, certain high-frequency pulses arbitrarily given at 5% of a 35th order to represent a possible carrier frequency of ... continued below

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9 p.

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Hsu, J.S. July 1, 1997.

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Description

This paper introduces an instantaneous phasor method that considers three phases simultaneously. This method produces the instantaneous fundamental balanced components of the polluted voltages or currents. A figure shows three-phase voltages that contain 5% of fundamental magnitude for each order of the 3rd, 5th, 7th, 9th and the 11th harmonics, respectively. Additionally, the voltages have 5% unbalance for all voltage components. A 10% fundamental-frequency zero-sequence component, as well as a 10% fundamental-frequency negative-sequence component are also added to the phase voltages. Furthermore, certain high-frequency pulses arbitrarily given at 5% of a 35th order to represent a possible carrier frequency of power electronic circuits are also included.

Physical Description

9 p.

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OSTI as DE98001910

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  • 1998 IEEE Power Engineering Society winter meeting, Tampa, FL (United States), 1-5 Feb 1998

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  • Other: DE98001910
  • Report No.: ORNL/CP--95560
  • Report No.: CONF-980206--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 634131
  • Archival Resource Key: ark:/67531/metadc690953

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 22, 2016, 11:41 a.m.

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Hsu, J.S. Instantaneous phasor method for obtaining instantaneous balanced fundamental components for power quality control and continuous diagnostics, article, July 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc690953/: accessed April 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.