Diode clamp mixed three-level double-active full-bridge current transformer and control method thereof
The invention provides a diode clamp mixed three-level double-active full-bridge current transformer. Based on the double-active full-bridge current transformer, a two-level bridge arm at a primary side is replaced with a diode clamp three-level bridge arm, thereby adding an additional control varia...
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Format | Patent |
Language | Chinese English |
Published |
10.05.2019
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Abstract | The invention provides a diode clamp mixed three-level double-active full-bridge current transformer. Based on the double-active full-bridge current transformer, a two-level bridge arm at a primary side is replaced with a diode clamp three-level bridge arm, thereby adding an additional control variable, and enabling the topology to be suitable for a wide-voltage range application occasion. The invention further provides a control method at the same time, the four degrees of freedom global optimal control is realized based on the primary side zero level duty cycle, the primary side high-level duty cycle, the secondary side zero level duty cycle and four phase-shifting controlling quantities between the primary side and the secondary side of the diode clamp mixed three-level double-active full-bridge current transformers; by coordinating the four control variables of the current transformer, the current effective value is reduced, and the current transformer running efficiency is improved. The closed-loop contr |
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AbstractList | The invention provides a diode clamp mixed three-level double-active full-bridge current transformer. Based on the double-active full-bridge current transformer, a two-level bridge arm at a primary side is replaced with a diode clamp three-level bridge arm, thereby adding an additional control variable, and enabling the topology to be suitable for a wide-voltage range application occasion. The invention further provides a control method at the same time, the four degrees of freedom global optimal control is realized based on the primary side zero level duty cycle, the primary side high-level duty cycle, the secondary side zero level duty cycle and four phase-shifting controlling quantities between the primary side and the secondary side of the diode clamp mixed three-level double-active full-bridge current transformers; by coordinating the four control variables of the current transformer, the current effective value is reduced, and the current transformer running efficiency is improved. The closed-loop contr |
Author | LI GUOJIE HANG LIJUN TONG ANPING |
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DocumentTitleAlternate | 二极管箝位混合三电平双有源全桥变流器及其控制方法 |
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Snippet | The invention provides a diode clamp mixed three-level double-active full-bridge current transformer. Based on the double-active full-bridge current... |
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SubjectTerms | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
Title | Diode clamp mixed three-level double-active full-bridge current transformer and control method thereof |
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