Title:
VOLTAGE CONVERSION UNIT, INVERTER, AND PHOTOVOLTAIC POWER GENERATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/155424
Kind Code:
A1
Abstract:
The present application provides a voltage conversion unit, an inverter, and a photovoltaic power generation system. The voltage conversion unit provided by the present application comprises a transformer, a primary circuit, and a secondary circuit. The primary circuit comprises a switch tube. The secondary circuit comprises a first circuit loop and a second circuit loop. The first circuit loop comprises a secondary winding of the transformer, a first switch unit, and a first energy storage unit. The second circuit loop comprises the secondary winding of the transformer, the first energy storage unit, a second switch unit, and a second energy storage unit. According to the voltage conversion unit provided by the present application, when the switch tube is switched on, the first switch unit is turned on, and the second switch unit is turned off; when the switch tube is switched off, the second switch unit is turned on, and the first switch unit is turned off.
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Inventors:
SONG ZHENGANG (CN)
Application Number:
PCT/CN2022/118503
Publication Date:
August 24, 2023
Filing Date:
September 13, 2022
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H02M1/44; H02J3/38; H02M7/42; H02S40/32
Foreign References:
| CN114499157A | 2022-05-13 | |||
| CN203166494U | 2013-08-28 | |||
| CN106899036A | 2017-06-27 | |||
| CN106849167A | 2017-06-13 | |||
| CN211481228U | 2020-09-11 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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