Why the power theory has a limited contribution to studies on the supply and loading quality

Studies on the power theory and studies on the supply quality and the loading quality refer to the same object, namely, to systems with nonsinusoidal and asymmetrical voltages and current, but from a different perspective and with different objectives. One would expect that the power theory, focused on power properties of electrical systems, will provide theoretical fundamentals for studies on the supply quality and the loading quality. It has occurred, that these studies were not supported substantially by the power theory, however. A major lag in the development of the power theory over the whole XX century was the main cause of it. Even worse than that, a number of misconceptions regarding power properties of electrical systems were disseminated in the electrical engineering community. An overview of such misconceptions that could have a detrimental effect on studies on the supply quality and loading quality in electrical systems is presented in this paper. A draft of the Currents' Physical Components (CPC) - based power theory of electrical systems, which provides interpretation of powers related physical phenomena, is presented as well.

[1]  Leszek S. Czarnecki,et al.  Unbalanced Power in Four-Wire Systems and Its Reactive Compensation , 2015, IEEE Transactions on Power Delivery.

[2]  W.J.M. Moore,et al.  On the Definition of Reactive Power Under Non-Sinusoidal Conditions , 1980, IEEE Transactions on Power Apparatus and Systems.

[3]  L. S. Czarnecki.  Circuits with Semi-Periodic Currents: Main Features and Power Properties , 2002 .

[4]  L. S. Czarnecki,et al.  Powers in nonsinusoidal networks: their interpretation, analysis, and measurement , 1990 .

[5]  L. Czarnecki.  Reactive and unbalanced currents compensation in three-phase asymmetrical circuits under nonsinusoidal conditions , 1989 .

[6]  M. Depenbrock.  The FBD-method, a generally applicable tool for analyzing power relations , 1993 .

[7]  L. Czarnecki.  Currents' Physical Components (CPC) in systems with semi-periodic voltages and currents , 2015, 2015 International School on Nonsinusoidal Currents and Compensation (ISNCC).

[8]  Leszek S. Czarnecki.  What is wrong with the conservative power theory (CPT) , 2016, 2016 International Conference on Applied and Theoretical Electricity (ICATE).

[9]  L. S. Czarnecki.  Working, reflected and detrimental active powers , 2012 .

[10]  Leszek S. Czarnecki,et al.  A Method of Calculating LC Parameters of Balancing Compensators for AC Arc Furnaces , 2017, IEEE Transactions on Power Delivery.

[11]  Fang Zheng Peng,et al.  Reactive power and harmonic compensation based on the generalized instantaneous reactive power theory for three-phase power systems , 1996 .

[12]  L. Czarnecki.  Orthogonal decomposition of the currents in a 3-phase nonlinear asymmetrical circuit with a nonsinusoidal voltage source , 1988 .

[13]  L. S. Czarnecki.  Scattered and reactive current, voltage, and power in circuits with nonsinusoidal waveforms and their compensation (power systems) , 1991 .

[14]  Leszek S. Czarnecki.  Effect of supply voltage asymmetry on IRP p-q-based switching compensator control , 2010 .

[15]  L. S. Czarnecki,et al.  Minimisation of unbalanced and reactive currents in three-phase asymmetrical circuits with nonsinusoidal voltage , 1992 .

[16]  Leszek S. Czarnecki,et al.  Energy flow and power phenomena in electrical circuits: illusions and reality , 2000 .

[17]  J. D. van Wyk,et al.  Correspondence and difference between the FBD and czarnecki current‐decomposition methods for linear loads , 2007 .

[18]  Leszek S. Czarnecki.  Constraints of instantaneous reactive power p-q theory , 2014 .

[19]  Leszek S. Czarnecki,et al.  Considerations on the Reactive Power in Nonsinusoidal Situations , 1985, IEEE Transactions on Instrumentation and Measurement.

[20]  Paolo Mattavelli,et al.  A Time-Domain Approach to Power Terms Definition under non-sinusoidal conditions , 2005 .

[21]  Leszek S. Czarnecki,et al.  Power Properties of Four-Wire Systems at Nonsinusoidal Supply Voltage , 2016, IEEE Transactions on Power Delivery.

[22]  L.S. Czarnecki,et al.  On some misinterpretations of the instantaneous reactive power p-q theory , 2004, IEEE Transactions on Power Electronics.

[23]  P. Zakikhani,et al.  Suggested definition of reactive power in nonsinusoidal systems , 1973 .

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

[25]  L.S. Czarnecki,et al.  Effect of Supply Voltage Harmonics on IRP-Based Switching Compensator Control , 2009, IEEE Transactions on Power Electronics.

[27]  Z. Staroszczyk,et al.  Dynamic on-line measurement of equivalent parameters of three-phase systems for harmonic frequencies , 2008 .

[28]  Hirofumi Akagi,et al.  Instantaneous Reactive Power Compensators Comprising Switching Devices without Energy Storage Components , 1984, IEEE Transactions on Industry Applications.

[29]  L. Czarnecki.  What is wrong with the Budeanu concept of reactive and distortion power and why it should be abandoned , 1987, IEEE Transactions on Instrumentation and Measurement.

[30]  L.S. Czarnecki.  Could power properties of three-phase systems be described in terms of the Poynting vector? , 2006, IEEE Transactions on Power Delivery.

[31]  Guangda Chen,et al.  Switching compensator control strategy based on CPC power theory , 2008, 2008 International School on Nonsinusoidal Currents and Compensation.