三电平双有源混合全桥DC-DC变换器最小回流功率控制

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三电平双有源混合全桥DC-DC变换器最小回流功率控制

陶海军, 张金生, 肖群星, 郑征

Minimum Return Power Control for Three-Level Dual Active Hybrid Full-Bridge DC-DC Converters

TAO Haijun, ZHANG Jinsheng, XIAO Qunxing, ZHENG Zheng

表7 最优移相比对应的最小回流功率值

Tab.7 Optimal shift corresponding to minimum return power value

D_1,min	D_2,min	$P_{c, m i n}^{*}$
1- $\sqrt{P_{0} / 2}$	$\sqrt{P_{0} / 2}$	$\frac{P_{0} {(k - 1)}^{2}}{4 k}$
$\frac{2 + \sqrt{4 - 6 P_{0}}}{6}$	$\frac{2 + \sqrt{4 - 6 P_{0}}}{6}$	$\frac{[(k - 1) {(4 - \sqrt{4 - 6 P_{0}})]}^{2}}{72 (k + 1)}$
(1+k) $\sqrt{\frac{1 - P_{0}}{2 {(k + 1)}^{2} + 4}}$	$\frac{1}{2} - \sqrt{\frac{1 - P_{0}}{2 {(k + 1)}^{2} + 4}}$	$\frac{{[k - \sqrt{\frac{(1 - P_{0}) (k^{2} + 2 k + 3)}{2}}]}^{2}}{2 (k + 1)}$