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A Hybrid Reference Signal Generator for Active Compensators

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A new reference generation technique for active compensators based on the use of CPC theory along with the instantaneous reactive power (p-q) theory is presented here. Modifications to reference signal generation techniques based on instantaneous reactive power as well as to the synchronous reference frame (d-q) method are proposed. The proposed strategy utilizes the CPC theory instead of the filters typically used to extract the desired components of the current. A simulation-based example is provided that shows this new approach retains the “instantaeous” property provided by the p-q or d-q methods under certain conditions without the negative effects found using the traditional method.
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  • 1. A k a g i H . , K a n a z a w a Y. , N a b a e A . : Instantaneous Reactive Power Compensators Comprising Switching Devices without Energy Storage. IEEE Trans. Ind. Applications, Vol. IA-20, May/June 1984, pp. 625.630.
  • 2. A k a g i H . , N a b a e A . , A t o h S . : Control Strategy of Active Power Filters Using Multiple Voltage-Source PWM Converters. IEEE Trans. Ind. Applications, Vol. IA-22, No. 3, May/June 1986, pp. 460.465.
  • 3. N a b a e A . , Ta n a k a T. : A New Definition of Instantaneous Active-Reactive Current and Power Based on Instantaneous Space Vectors on Polar Coordinates in Three-Phase Circuits. IEEE Trans. Power Delivery, Vol. 11, No. 3, July 1996.
  • 4. N a b a e A . , Ta n a k a T .: A Quasi-Instantaneous Reactive Power Compensator for Unbalanced and Non-Sinusoidal Three-Phase Systems. Proceedings of IEEE 29th Power Electronics Specialist Conference, Vol. 1, 17.22, May 1998, pp. 823.828.
  • 5. C z a r n e c k i L . S . : On Some Misinterpretations of the Instantaneous Reactive Power p-q Theory. IEEE Trans. On Power Delivery, Vol. 19, No. 3, May 2004, pp. 828.836.
  • 6. C z a r n e c k i L . S . : Orthogonal decomposition of the current in a three-phase nonlinear asymmetrical circuit with nonsinusiodal voltage. IEEE Trans. Instrum. Meas., Vol. IM-37, pp. 30.34, Mar. 1988.
  • 7. R e c h k a S . , N g a n d u i E . , X u J . , S i c a r d P.: A Comparative Study of Harmonic Detection Algorithms for Active Filters and Hybrid Active Filters. Proceedings of IEEE 33rd Power Electronics Specialist Conference, Vol. 1, 23-27, June 2002, pp. 357.363.
  • 8. C a r d e n a s V. , M o r a n L . , B a h a m o n d e s A . , D i x o n D . : Comparative Analysis of Real Time Reference Generation Techniques for Four-Wire Shunt Active Power Filters. Proceedings of IEEE 34th Power Electronics Specialist Conference, Vol. 2, 15.19, June 2003, pp. 791.796.
  • 9. M a z a O r t e g a J . M . e t a l . : Reference Current Computation Methods for Active Power Filters: Accuracy Assessment in the Frequency Domain. IEEE Trans. Power Electron., Vol. 20, No. 2, pp. 446.456, March 2005.
  • 10. C z a r n e c k i L . S .: Power Theory of Electrical Circuits with Quasi-Periodic Waveforms of Voltages and Currents. ETEP, Vol. 6, No. 5, September/October 1996.
  • 11. D o l e n M. , L o r e n z R . D . : An Industrially Useful Means for Decomposition and Differentiation of Harmonic Components of Periodic Waveforms. IEEE Industry Applications Conference, Vol. 2, 8.12, pp. 1016.1023, October 2000.
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bwmeta1.element.baztech-article-BAT1-0029-0029
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