Control method for double PWM solid-state transformer
A technology of solid-state transformers and control methods, which is applied in the direction of control/regulation systems, instruments, and adjustment of electrical variables, etc., can solve problems such as unsatisfactory control effects and complex structure of solid-state transformers, and achieve elimination of adverse effects, improvement of adverse effects, and magnetic induction intensity high effect
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[0031] The specific technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0032] A control method for a dual-PWM solid-state transformer is implemented, the control method is based on a dual-PWM solid-state transformer structure, and the control method for the dual-PWM solid-state transformer is realized. in:
[0033] A control method for a dual-PWM solid-state transformer is realized according to the following control links:
[0034] Step 1. The rectification stage control adopts the double closed-loop control method of the DC voltage outer ring network side current inner loop under the dq synchronous rotating coordinate system, such as figure 1 As shown, it specifically includes the following steps:
[0035] (1) Acquisition of rectification stage circuit network side voltage e a 、e b 、e c , the grid-side voltage phase θ is obtained by the software phase-locked loop of the single synchronou...
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