New Control Algorithms for Three-Phase Four-Wire Unified Power Quality Conditioner - a simulation study

• Autorzy: Pal Y. , Swarup A. , Singh B.
• Języki publikacji: EN

Abstrakty

EN

In this paper, some new control algorithms are proposed for a three-phase four-wire Unified Power Quality Conditioner. These control algorithms are based on the combination of Unit Vector Template Generation (UVTG) with Power Balance Theory (PBT), single phase d-q theory, Synchronous Current Detection (CSD) technique, and I CosΦ theory. The performance of each control algorithm of UPQC is evaluated in terms of power factor correction, load balancing and source neutral current mitigation, and voltage and current harmonic mitigation. The performance of proposed control algorithms are compared with synchronous reference frame (SRF) based control algorithm. In each proposed control scheme of the three-phase four-wire UPQC, the current/voltage control is applied over the fundamental supply currents/ load voltages instead of fast changing APFs currents/ voltages, thereby reducing the effects of computational delay. Moreover, the load neutral or shunt APF neutral currents are not sensed hence the required current sensors are reduced. MATLAB/ Simulink based simulations are obtained, which support the functionality of the UPQC.

Słowa kluczowe

EN

UPQC; power quality improvement; source neutral current; mitigation; load balancing; voltage harmonics; current harmonics

• Wydawca: AGH University of Science and Technology ; Lodz University of Technology
• Czasopismo: Electrical Power Quality and Utilisation. Journal
• Rocznik: 2013
• Tom: Vol. 16, iss. 1
• Strony: 1--10
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Pal Y.

• Department of Electrical Engineering at NIT Kurukshetra

autor

Swarup A.

• Department of Electrical Engineering at NIT Kurukshetra

autor

Singh B.

• Department of Electrical Engineering at IIT, Delhi

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