A commutation timing determination method and commutation system for three-phase unbalanced commutation
A determination method and a balanced technology, applied in the field of commutation systems, can solve the problems of too simple determination of commutation timing and potential safety hazards.
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Embodiment 1
[0052] A commutation timing determination method 100 for unbalanced three-phase commutation, such as figure 1 shown, including:
[0053] Step 110, based on the constraint method and multiple optimization objective functions corresponding to the distribution network, construct a single-objective optimization model, which includes the main objective function and its constraint conditions;
[0054] Step 120, based on the commutation time x 0 , using the genetic algorithm to obtain the commutation time x 1 ;
[0055] Step 130, based on the simulated annealing algorithm and the single-objective optimization model, determine x 1 Whether it is the current optimal solution, if so, save and execute step 140, if not, repeat step 120 or determine x according to the termination condition 0 is the current optimal solution and execute step 140;
[0056] Step 140, modify the breakpoint value of each constraint condition to form a new single-objective optimization model, and execute step...
Embodiment 2
[0104] A three-phase unbalanced commutation system 200, such as image 3 shown, including:
[0105] A processor, configured to execute any one of the methods for determining the commutation timing of the above-mentioned three-phase unbalanced commutation, obtain the commutation timing and send it to the controller;
[0106] The controller is configured to determine the load to be commutated and its commutation sequence in the distribution network based on the commutation timing and multiple corresponding optimization objective functions, and based on the load to be commutated and the Commutation sequence, forming a control command and sending it to the three-phase unbalanced commutation device;
[0107] The three-phase unbalanced commutation device is used for performing a commutation operation based on the control instruction.
[0108] It should be noted that during the automatic phase change process, the safety of the phase change should be paid more attention to. Therefo...
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