Draft:CPC Theory

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Instructions · What links here · CPC Theory (talk: + · bio) · (log) · Copyvios report · reFill · Citation Bot · (Search: Google, Wikipedia) · Submitted 114 minutes ago by Aardwark (talk: D · +) · Last edited 98 minutes ago by Aardwark

Currents' Physical Components (CPC) Theory is an advanced power theory in electrical engineering that provides a comprehensive framework for analyzing and compensating electrical systems with non-sinusoidal voltages and currents^[1]^[2]. Developed by Professor Leszek S. Czarnecki in 1983, CPC theory addresses the limitations of traditional power theories in handling modern electrical systems characterized by harmonic distortion and unbalanced loads.

Background

Traditional power theories, such as those proposed by Budeanu and Fryze, were primarily designed for systems with sinusoidal waveforms. However, the increasing prevalence of non-linear loads and power electronic devices has introduced significant harmonic distortions^[3], rendering these classical theories inadequate for accurate power analysis and compensation.

Development

In response to the evolving complexities of electrical systems, Leszek S. Czarnecki introduced the CPC theory in 1983. This theory decomposes load currents into distinct physical components, each corresponding to specific power phenomena within the system. By identifying and analysing these components, CPC theory offers a more precise understanding of power flow and facilitates effective compensation strategies.

Key Concepts

CPC theory decomposes the load current into the following components^[4]:

Active Current ( $i a$ ): Corresponds to the active power consumed by the load.
Reactive Current ( $i r$ ): Associated with the reactive power due to energy storage elements like inductors and capacitors.
Harmonic Current ( $i h$ ): Represents the distortion caused by harmonics in the system.
Unbalanced Current ( $i u$ ): Pertains to unbalanced loads in three-phase systems.

By analyzing these components, engineers can design targeted compensation methods to improve power quality and system efficiency.

Applications

CPC theory has been applied in various areas, including:

Design of reactive power compensators^[5]
Power analysis^[6]
Harmonic filtering in power systems^[7].
Analysis of unbalanced three-phase systems^[8].
Development of power quality standards and measurement techniques.

External Links

Leszek S. Czarnecki's Personal Website

References

^ Czarnecki, Leszek (2008). "Currents' Physical Components (CPC) concept: A fundamental of power theory". IEEE. doi:10.1109/ISNCC.2008.4627483.
^ Czarnecki, Leszek (2019). "Currents' Physical Components (CPC) – based Power Theory, A Review" (PDF). Przegląd Elektrotechniczny (10): 1–11. doi:10.15199/48.2019.10.01.
^ Czarnecki, Leszek (2005). "Currents' Physical Components (CPC) In Circuits with Nonsinusoidal Voltages and Currents" (PDF). Electrical Power Quality and Utilisation Journal. XI (2): 3–14.
^ Czarnecki, Leszek (2016). "Currents' Physical Components (CPC) concept: A fundamental of power theory". IEEE (2008). doi:10.1109/ISNCC.2008.4627483.
^ Mikulovic, Jovan (2016). "Currents' physical component (CPC) power theory for three-phase four-wire systems," Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion". MedPower (2016): 1–7. doi:10.1049/cp.2016.1061.
^ Martel, Fernando (2016). "CPC Power Theory for Analysis of Arc Furnaces" (PDF). Przegląd Elektrotechniczny (2016): 138–142. doi:10.15199/48.2016.06.28.
^ Patrascu, Alexandra (2012). "CPC theory implementation for active filtering and its limits". 2012 International Conference on Applied and Theoretical Electricity (ICATE) (2016). doi:10.1109/ICATE.2012.6403441.
^ Tao, Shun (2023). "Improved CPC-based parameter calculation of passive balancing compensation in three-phase four-wire systems with unbalanced loads,". International Journal of Electrical Power & Energy Systems. 150. doi:10.1016/j.ijepes.2023.109076.

[1] Czarnecki, Leszek (2008). "Currents' Physical Components (CPC) concept: A fundamental of power theory". IEEE. doi:10.1109/ISNCC.2008.4627483.

[2] Czarnecki, Leszek (2019). "Currents' Physical Components (CPC) – based Power Theory, A Review" (PDF). Przegląd Elektrotechniczny (10): 1–11. doi:10.15199/48.2019.10.01.

[3] Czarnecki, Leszek (2005). "Currents' Physical Components (CPC) In Circuits with Nonsinusoidal Voltages and Currents" (PDF). Electrical Power Quality and Utilisation Journal. XI (2): 3–14.

[4] Czarnecki, Leszek (2016). "Currents' Physical Components (CPC) concept: A fundamental of power theory". IEEE (2008). doi:10.1109/ISNCC.2008.4627483.

[5] Mikulovic, Jovan (2016). "Currents' physical component (CPC) power theory for three-phase four-wire systems," Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion". MedPower (2016): 1–7. doi:10.1049/cp.2016.1061.

[6] Martel, Fernando (2016). "CPC Power Theory for Analysis of Arc Furnaces" (PDF). Przegląd Elektrotechniczny (2016): 138–142. doi:10.15199/48.2016.06.28.

[7] Patrascu, Alexandra (2012). "CPC theory implementation for active filtering and its limits". 2012 International Conference on Applied and Theoretical Electricity (ICATE) (2016). doi:10.1109/ICATE.2012.6403441.

[8] Tao, Shun (2023). "Improved CPC-based parameter calculation of passive balancing compensation in three-phase four-wire systems with unbalanced loads,". International Journal of Electrical Power & Energy Systems. 150. doi:10.1016/j.ijepes.2023.109076.

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