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    • 1. 发明申请
    • POWER SUPPLYING SYSTEM
    • 电源系统
    • WO2011061688A3
    • 2012-04-19
    • PCT/IB2010055212
    • 2010-11-17
    • KONINKL PHILIPS ELECTRONICS NVHOLLEVOET TONY ANDRE ROGERZEE KUM YOONGFENG CHENGFANGSHUI ZHENG QUAN
    • HOLLEVOET TONY ANDRE ROGERZEE KUM YOONGFENG CHENGFANGSHUI ZHENG QUAN
    • H02M3/156H02M1/42H02M7/162H03F1/02H03F1/30H04W52/02
    • H02M3/156H02M3/33507H02M2001/0032H03F1/0227H03F3/187Y02B70/16
    • A power converter system (100) comprises a power converter (102), an analyzing circuit (114) and a power converter controller (110). The power converter (102) receives a mains voltage (108) and provides power (104) to a signal processing circuit (106). The power converter (102) is configured for operating in either a first mode wherein the power converter (102) is able to supply a first power level, or in a second mode wherein the power converter (102) is able to supply a second power level. The second power level exceeds the first power level. The signal processing circuit (106) processes a signal (116) in a normal operational mode. The analyzing circuit (114) analyzes the signal (116). The analyzing circuit (114) generates a power signal (112) that indicates a power consumption of the signal processing circuit (106) in normal operation. The power converter controller (110) receives the power signal (112) and controls the power converter (102) to operate in the first mode or in the second mode. The power converter (102) is controlled to operate in the first mode only when the power signal (112) indicates that the power consumption of the signal processing circuit (106) is below the first power level.
    • 功率转换器系统(100)包括功率转换器(102),分析电路(114)和功率转换器控制器(110)。 功率转换器(102)接收电源电压(108)并向信号处理电路(106)提供功率(104)。 功率转换器(102)被配置为在第一模式中操作,其中功率转换器(102)能够提供第一功率电平,或者在第二模式中,功率转换器(102)能够提供第二功率 水平。 第二功率电平超过第一功率电平。 信号处理电路(106)以正常操作模式处理信号(116)。 分析电路(114)分析信号(116)。 分析电路(114)在正常操作中产生指示信号处理电路(106)的功耗的功率信号(112)。 电力转换器控制器(110)接收功率信号(112)并且控制功率转换器(102)在第一模式或第二模式下操作。 仅当功率信号(112)指示信号处理电路(106)的功耗低于第一功率电平时,功率转换器(102)被控制为在第一模式下操作。