Voltage type direct-current power flow controller transformation ratio optimizing calculation method
A DC power flow and optimization calculation technology, which is applied in the direction of DC network circuit devices, power transmission AC networks, electrical components, etc., can solve the problems of increased load rate and limited effect of heavy-duty branches, and achieve increased load rate and reduced power , Guarantee the effect of safe and reliable operation
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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below according to the drawings and embodiments. It should be understood that the specific implementations described here are only used to explain the present invention, not to limit the present invention.
[0025] Such as figure 1 As shown, the voltage-type DC power flow controller transformation ratio optimization calculation method provided by the present invention includes the following steps in order:
[0026] Step 1) Establish the mathematical expression of the improved weighted power flow entropy of the DC power grid, and use it as the objective function:
[0027] In the DC power grid, the maximum current-carrying limit of branch i is I imax , the actual current of branch i when the DC power grid is running is I i , then the load rate of branch i is:
[0028] w i =|I i / I imax |i=1,2,...,b (1)
[0029] ...
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