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1.发明授权Duty cycle control method, power supply system and power converter using the same 有权占空比控制方式，电源系统和电源转换器使用相同公开(公告)号：US09225251B2
公开(公告)日：2015-12-29
申请号：US13921363
申请日：2013-06-19
Applicant: DELTA ELECTRONICS, INC.
Inventor： Zhongwang Yang , Guojun Xu , Guisong Huang
CPC classification number: H02M3/33507 , H02M3/33576 , H02M3/33592 , H02M2001/0022
Abstract: A power converter includes a power module, a feedback module, and a control module. The power module is used for converting an input voltage into an output voltage. The feedback module is electrically connected with the power module for generating a feedback voltage according to the output voltage. The control module is electrically connected with the feedback module and the power module for comparing a reference duty cycle value with a duty cycle, generating a variable reference voltage according to the comparison between the reference duty cycle value and the duty cycle, comparing the variable reference voltage with the feedback voltage, and adjusting the duty cycle according to the comparison between the variable reference voltage and the feedback voltage.
Abstract translation: 功率转换器包括功率模块，反馈模块和控制模块。 电源模块用于将输入电压转换为输出电压。 反馈模块与功率模块电连接，用于根据输出电压产生反馈电压。 控制模块与反馈模块和功率模块电连接，用于将参考占空比值与占空比进行比较，根据参考占空比值和占空比之间的比较产生可变参考电压，比较可变参考 电压与反馈电压，并根据可变参考电压和反馈电压之间的比较调整占空比。
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公开(公告)号：US20130279204A1
公开(公告)日：2013-10-24
申请号：US13921363
申请日：2013-06-19
Applicant: Delta Electronics, Inc.
Inventor： Zhongwang Yang , Guojun Xu , Guisong Huang
IPC: H02M3/335
CPC classification number: H02M3/33507 , H02M3/33576 , H02M3/33592 , H02M2001/0022
Abstract: A power converter includes a power module, a feedback module, and a control module. The power module is used for converting an input voltage into an output voltage. The feedback module is electrically connected with the power module for generating a feedback voltage according to the output voltage. The control module is electrically connected with the feedback module and the power module for comparing a reference duty cycle value with a duty cycle, generating a variable reference voltage according to the comparison between the reference duty cycle value and the duty cycle, comparing the variable reference voltage with the feedback voltage, and adjusting the duty cycle according to the comparison between the variable reference voltage and the feedback voltage.
Abstract translation: 功率转换器包括功率模块，反馈模块和控制模块。 电源模块用于将输入电压转换为输出电压。 反馈模块与功率模块电连接，用于根据输出电压产生反馈电压。 控制模块与反馈模块和功率模块电连接，用于将参考占空比值与占空比进行比较，根据参考占空比值和占空比之间的比较产生可变参考电压，比较可变参考 电压与反馈电压，并根据可变参考电压和反馈电压之间的比较调整占空比。
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