PROJECT TITLE :

A Bridge Type Fault Current Limiter for Energy Management of AC/DC Micro grids - 2017

ABSTRACT:

This paper proposes a unique structure for fault current limiter (FCL), that not solely controls the magnitude of fault current, but conjointly is enable to power management in traditional and fault condition of utility. The main capabilities of the proposed structure, that is ready to connect each ac and dc systems, are controlling the dc reactor current for fault current magnitude management, and management and control of power flow from ac system to dc system. A boost converter is used in the proposed structure, that its output is connected to a dc bus, so as to regulate the dc reactor current. The proposed FCL, which ensures a high protection level of the system, has no impact on utility voltage and load currents. A boost converter is used to supply an virtually sinusoidal input current. The simulation and experimental results are presented to clarify the speculation and feasibility of the proposed FCL, that manifest straightforward structure of the circuit and show feasibility of the proposed FCL.