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Fault protection aspects are very crucial for the realization of multi-terminal dc (MTdc) networks. This paper investigates the impact of power flow control strategies on the response of MTdc networks to a dc fault. The successful ride-through of a dc fault is defined by two factors: first, a fast fault isolation and second, a fast post-fault system recovery. According to these criteria, two control...
In multi-terminal dc networks (MTdc) reactors are required to limit the rate of rise and the peak values of the fast developing currents in case of a dc fault. In this way, dc breakers have more time to isolate a fault and the system can restore its post-fault operation. This paper proposes a methodology to optimize the design of limiting reactors used for the protection of voltage-source converter...
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