Abstract
In order to solve the problems of low compensation accuracy and long compensation time in traditional time delay compensation methods for active distribution network distributed generation system, a new time delay compensation method for active distribution network distributed generation system is proposed. Firstly, the cause of time delay in active distribution network distributed generation system is determined, and then the global characteristics of time delay in active distribution network distributed generation system are extracted by frequency domain method. On this basis, the time delay characteristics of active distribution network distributed generation system are discretized, and the time delay characteristics set of active distribution network distributed generation system is obtained. The continuous function in Banach space is determined by the element method. On this basis, it is discretized, and the time delay compensation model of distributed generation system in active distribution network is constructed. The Lagrange coefficient is used to correct the model to complete the time delay compensation of distributed generation system in active distribution network. The experimental results show that the proposed method has the highest accuracy of 98% and the shortest compensation time of 0.1 s.
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