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A Static Non-Linear Controlled Bridge Type Fault Current Limiter for Transient Stability Augmentation of Multi-Machine Power System

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Document pages: 6 pages

Abstract: This paper implements Fault Current Limiting (FCL) requirements and proposed a calculation method to determine the required dc reactor value, for the purpose of the converter continuous operation during dc faults. On this basis, the Bridge- Type Fault Current Limiter (BFCL) using static non-linear controller was proposed for using in the dc grid, due to merits including minor negative influence on dc grid traditional operation, fast response to dc faults and efficient coordination with the DC Circuit Breaker (DCCB). The parameter style principle of the bridge-type FCL for dc grid was conjointly mentioned. Then the scaled-down dc experiment take a look at circuit was designed to verify the rule and performance of the bridge-type FCL. The simulation and experimental results are presented to clarify the theory and feasibility of the proposed FCL at different points of IEEE 30-bus power system, which manifest simple structure of the circuit and show feasibility of the proposed FCL.

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