A method for direct power control of a combined power supply device
A power supply device and power control technology, which is applied in the field of combined power supply devices, can solve the problems of transformer steady-state magnetic flux phase difference, high switching requirements, closing surge overcurrent, etc., and achieve the effect of improving adaptability
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[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0042] image 3 Equivalent circuit diagram for parallel connection of combined power supply device and traction power supply arm, u in the figure s12 for the transformer T 1 Secondary winding n 12 The induced voltage, R n12 for the winding n 12 The equivalent resistance, L n12 for the winding n 12 The equivalent inductance of u s22 for the transformer T 2 Secondary winding n 22 The induced voltage, R n22 for the winding n 22 The equivalent resistance, L n22 for the winding n 22 The equivalent inductance of u p21 for the transformer T 2 Primary winding n 21 The induced voltage, R n21 for the winding n 21 The equivalent resistance, L n21 for the winding n 21 The equivalent inductance, R l is the equivalent resistance of the output line of the combined power supply device, L l is the equivalent inductance of the outp...
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