A NEW TECHNIQUE TO DETECT HARMONIC SOURCES IN POLLUTED POWER SYSTEMS

This paper presents a comparative analysis among different nonactive power quantities proposed in literature in nonsinusoidal conditions; with respect to this, a new single-point approach is proposed, for the detection of the dominant harmonic sources in polluted power systems. It is based on the observation that in the same distorted working condition the analyzed power quantities present a different behavior. In order to verify the theoretical assumptions, some simulations tests were carried out on a standard IEEE test system, proposed as a benchmark for harmonic propagation studies. Simulation results show how the approach based on a comparison of different definitions of nonactive powers can give some useful information for the detection of dominant harmonic sources.

[1]  P. S. Filipski,et al.  Evaluation of reactive power meters in the presence of high harmonic distortion , 1992 .

[2]  L. Peretto,et al.  Implementation of multi-point measurement techniques for PQ monitoring , 2004, Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510).

[3]  Salvatore Nuccio,et al.  A self-synchronizing instrument for harmonic sources detection in power systems , 2003, Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412).

[4]  A. E. Emanuel.  Apparent power definitions for three-phase systems , 1999 .

[5]  A. E. Emanuel.  Powers in nonsinusoidal situations-a review of definitions and physical meaning , 1990 .

[6]  D. J. Pileggi,et al.  Evaluation of single-point measurements method for harmonic pollution cost allocation , 1999, 1999 IEEE Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.99CH36364).

[7]  D. Sharon.  Reactive-power definitions and power-factor improvement in nonlinear systems , 1974 .

[8]  A. P. J. Rens,et al.  On techniques for the localisation of multiple distortion sources in three‐phase networks: Time domain verification , 2001 .

[9]  A.E. Emanuel,et al.  The apparent power concept and the IEEE standard 1459-2000 , 2005, IEEE Transactions on Power Delivery.

[10]  Leszek S. Czarnecki,et al.  Budeanu and fryze: Two frameworks for interpreting power properties of circuits with nonsinusoidal voltages and currents , 1997 .