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DC systems are a new and emerging technology. DC system benchmark networks are necessary to study transient faults and operation condition changes in these systems (specifically in MVDC systems because they are in a conceptual stage). The paper offers an overview of all DC system architectures and proposes MVDC system benchmark networks based on the knowledge of existing HVDC and LVDC system networks.
Recently proposed meshed HVDC networks include both converters and DC circuit breakers, and the fault currents experienced and therefore the capacity requirement of circuit breakers are dependent on the topology of converters used on the network. This paper analyses the difference in fault currents seen in various network configurations utilising fault-feeding and fault-blocking converters. Results...
The current fault diagnosis methods pay more attention to the application of Alarm messages and overlook the topology information, thus it is hard to model for the direction components. This paper expresses the thought that make a fault diagnosis model on the base of topology and it can judge the fault components accurately by the knowledge of topology even with malfunctions of protective relays and...
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