Definition of Powers and Power Quality Factors at a Point of Common Coupling in Single-Phase Systems and Three-Phase Systems

  • 발행 : 2002.01.01

초록

This paper proposes an unified definition of powers for various circuit conditions such as balanced/unbalanced, sinusoidal/non-sinusoidal, and linear/nonlinear, fur single-phase systems and three-phase systems. Conventional reactive power is more classified into an interactive power and an alternating power. These powers are defined both in the time domain and the frequency domain consistently, and agree well with the conservation law. Several important power quality factors are defined to measure and evaluate the power quality fur the various circuits in the single-phase and three-phase systems. Simulation results show the power quality factors can evaluate and classify the various circuit conditions clearly.

키워드

참고문헌

  1. L.S.Czarnecki, 'What is Wrong with the Budeanu Concept of Reactive and Didtortion Powers and Why It Should Be Abandoned', IEEE Trans. IM-36. no. 3, pp. 834-837, Sept. 1987
  2. L.S.Czarnecki, 'On Some Deficiencies of Fryze's Approach to Describing Power Properties of Systems under Nonsinusoidal Condition', Proc. of IEEE ICHPS VI, Bologna, pp. 360-364, Sept. 21-23, 1994
  3. W.shepherd, P.Zakihani, 'Suggested Definition of Reactive Power for Non-sinusoidal Systems,' Proceedins oflEE, vol. 119, pp. 1361-1362, Sept. 1972
  4. D.Sharon, 'Reactive Power Definitions and Power-Factor Improvement in Nonlinear Systems', Proceedings of lEE, vol. 120, pp. 704-706, June 1973
  5. N.L.Kusters, W.J.M.Moore, 'On the Definition of Reactive Power under Non-sinusoidal Conditions', IEEE Trans. PAS-99, pp. 1845-1854, Sept./Oct. 1980
  6. L.S.Czarnecki, 'Orthogonal Decomposition of the Current in a Three-Phase Nonlinear Asymmetrical Circuit with Nonsinusoidal Voltage', IEEE Trans. IM-37, no.1, pp. 30-34, Mar. 1988
  7. A.Ferrero, G.Superti-Furga, 'A New Approach to the Definition of Power Components in Three-Phase Systems Under Nonsinusoidal Conditions', IEEE Trans. on IM-40, No.3, pp. 568-577, June 1991
  8. P.S.Filipski, 'Apparent Power-A Misleading Quantity in the Nonsinusoidal Power Theory. Are All Nonsinusoida Power Theories Doomed to Fail?', lnternationc Workshop on Power Definitions & Measurement, 1991, pp. 39-47
  9. A.E.Emannuel, 'The Buchholz-Goodhue Apparent Power Definition: The Practical Approach for Nonsinusoidal an Unbalanced Systems', IEEE Trans. PD-J3, no.2, pp. 344-349, Apr. 1998
  10. H.S.Kim, H.Akagi, 'The Instantaneous Power Theory on the Rotating p-q-r Reference Frames,' Conference Records of IEEE/PEDS '99, pp. 422 - 427, July 1999
  11. H.S.Kim, F.Blaabjerg, and B.Bak-Jensen, 'Spectra Analysis of Instantaneous Powers in Single-phase and Three-phase Systems with Use of p-q-r Theory' Conference Records of IEEE/PESCOI, CD ROM, June 2001