一种Boost电路临界导通的调制方法、电子设备和存储介质
By calculating the switching cycle and turn-off time of the Boost circuit in real time and using a counting method to control the conduction and turn-off of the switching transistor, the critical conduction mode of the Boost circuit is realized, which solves the problem of increased switching losses, improves efficiency and reliability, and is suitable for two-stage photovoltaic inverters.
CN118868619BActive Publication Date: 2026-07-17SHANGHAI CHINT POWER SYST CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI CHINT POWER SYST CO LTD
- Filing Date
- 2024-07-03
- Publication Date
- 2026-07-17
Smart Images
Figure CN118868619B_ABST
Abstract
本发明实施例公开了一种Boost电路临界导通的调制方法、电子设备和存储介质。Boost电路临界导通的调制方法包括：采样第一升压电感的电流，获取前级Boost升压电路的控制频率、升压占空比以及第一升压电感的参考电流；若第一升压电感的电流小于2倍的第一升压电感的参考电流，第一开关管关断时间内的计数等于0，第一开关管的载波标志位等于1时，则令第一开关管导通，对第一开关管的开通时间内的计数进行累加，实时计算第一开关管的开关周期以及关断时间；存储第一开关管的关断时间。本发明具有更小的电感纹波，电感电流应力也随之降低，降低了损耗，电路结构简单，不增加成本，可靠性高。
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