Dynamic reactive power compensation site selection method suitable for multi-infeed direct current system
A multi-feed DC, multi-feed technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, AC network circuits, etc., can solve errors, bus weights can not fit the actual situation, do not consider dynamic Reactive power characteristics of reactive power compensation equipment, etc., to achieve the effect of improving site selection efficiency, accurate and reasonable site selection results, and reducing the amount of calculation
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[0030] A site selection method for dynamic reactive power compensation suitable for multi-infeed DC systems, such as figure 1 shown, including the following steps:
[0031] Step 1. Taking the flexible DC transmission as the division condition, the multi-infeed DC system is divided into several subsystems according to the static partition method;
[0032] Step 2: Calculate the multi-infeed interaction factor between the converter buses in each subsystem, determine all voltage weak areas in each subsystem according to the multi-infeed interaction factor, and then determine each voltage weak area according to the overlapping number of voltage weak areas The priority of each voltage weak area in each subsystem, and select the voltage weak area with the highest priority in each subsystem;
[0033] Step 3: Select the voltage weak area with the highest priority in one of the sub-systems, obtain the information of all commutation buses in the voltage weak area, and calculate the mult...
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