A Proposal of a Load/Source Simulator Based on the UPFC (Unified Power Flow Controller) and Operating Performance of a 200-V, 1O-kW Laboratory System

The main purpose of a load/source simulator is to imitate an actual load/source in terms of power or current. This paper proposes a novel load/source simulator based on the unified power flow controller that is one of FACTS devices. This system takes the following prominent advantage: The converter volt-ampere rating required for the proposed system is much smaller than that for a conventional system based on a BTB (Back-To-Back) converter. Experimental results obtained from a 200-V, 10-kW laboratory system confirm the viability and effectiveness of the system. This paper also discusses the control method theoretically, and analyzes a voltage fluctuation of the dc link, thus leading to system design.