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Determining the Compensation Voltages for Dynamic Voltage Restorers by use of PQR Instantaneous Power Theory  

김효성 (천안공업대학 제어계측과)
이상준 ((주)로템 중앙연구소)
설승기 (서울대학교 전기컴퓨터공학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.8, no.5, 2003 , pp. 442-449 More about this Journal
Abstract
This paper discusses how to generate the reference compensation voltages in Dynamic Voltage Restorers (DVR) by use of PQR instantaneous power theory. Sensed three-phase terminal voltages are transformed to PQR coordinates without time delay. Since the reference voltage in PQR coordinates is a single dc value, the voltage controller for DVRs is simple and easy to design. Proposed control method can be implemented by feedforward controllers or by feedback controllers. This paper verified the theory by a feedforward controller of a DVR with simulation and experiment.
Keywords
Dynamic Voltage Restorer (DVR); PQR Instantaneous Power Theory; Voltage Controller; Reference Compensation Voltage;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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