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In this paper, a new dc switchyard structure for a multiterminal dc (MTDC) grid is proposed. Fast fault current breaking capability, which is essential for a dc grid, can be achieved with available HVDC breaker solutions (e.g., ABB's hybrid HVDC breaker). However, the hybrid HVDC breaker concept also opens up possibilities for unconventional (relative to ac) switchyard solutions which may be more...
The growing load demand and the higher penetration of renewable energy in a meshed DC grid in future may overload its existing transmission system, namely the Power Flow Congestion (PFC). The PFC can be mitigated either by installing additional transmission reinforcements or by better utilizing the existing transmission infrastructure. For the latter, this paper proposes a novel application of a controllable...
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