Method of optimal configuration of superconducting fault current limiter based on sensitivity technology
A technology of fault current limiter and optimized configuration, which is applied in the usage of superconductor elements, emergency protection circuit devices for limiting overcurrent/overvoltage, circuit devices, etc. Problems such as large quantity and inconformity with engineering applications
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[0059] The technical solutions and beneficial effects of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0060] Such as figure 1 Shown is the flow chart of the method for the optimal configuration of a superconducting fault current limiter based on the sensitivity technology provided by the present invention, figure 2 Shown is figure 1 In the multi-objective optimization algorithm (ie figure 1 The calculation flow chart of the dotted box in the middle).
[0061] 1. The influence of SFCL on the impedance matrix
[0062] Most of the faults in the actual power system are asymmetric faults, but the three-phase short circuit is the most serious fault, which is often used to determine the breaking capacity of the circuit breaker. For a three-phase short-circuit fault on node i, the short-circuit current is calculated as:
[0063] I · if = ...
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