2002•IEE Proceedings - Generation Transmission and DistributionOpen access

Determination of the power transfer capacity of a UPFC with consideration of the system and equipment constraints and of installation locations

Hui Cai, Zhihua Qu, D. Gan

Abstract

In this paper, power transfer capacity is investigated for systems with a unified power flow controller (UPFC). The combined effects of equipment constraints, system topology and installation locations on the UPFC real power transfer are studied. The P–Q characteristics of UPFC operation under different sets of constraints are determined. The admissible operational ranges of UPFC control outputs (in terms of the magnitude and phase angle of its series-injected voltage) are investigated, and the maximum power transfer and the maximum admissible range of power flow change are also found.

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Key concepts: Unified power flow controller, Maximum power transfer theorem, Control theory (sociology), Electric power system, Power flow, Power (physics), Voltage, Transfer (computing)