Microgrid harmonic control method based on multi-function grid-connected inverter capacity distribution
A technology of harmonic control and capacity allocation, applied in AC network to reduce harmonic/ripple, harmonic reduction device, single-network parallel feeding arrangement, etc. It is difficult to meet the needs of network distributed governance and other issues
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[0076] Such as figure 1 As shown, the method of the present invention uses the simulated annealing particle swarm optimization algorithm to perform optimization operations to solve the active output of the multi-functional grid-connected inverter in the microgrid and the remaining capacity of harmonic control. The specific steps are as follows:
[0077] S1. Construct the upper layer active power optimization model, which specifically includes the following steps:
[0078] S11. Under the upper-level optimization constraints, the initial distribution power capacity in the microgrid is established, and the initial population is established;
[0079] With the goal of minimizing the operating cost of the microgrid within the optimization period, an upper-level optimization objective function is established, as shown in formula (1)
[0080] minf up =C XS +C B / S (1)
[0081] In the formula, C XS is the network loss cost; C B / S is the electricity purchase / sale fee from the mic...
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