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    • 2. 发明公开
    • Frequency limited resonant regulator
    • 常见问题
    • EP0275698A1
    • 1988-07-27
    • EP87311352.6
    • 1987-12-23
    • RCA Thomson Licensing Corporation
    • Truskalo, Walter
    • G05F1/13H02M3/315
    • H02M3/3376Y02B70/1433
    • In a resonant regulator power supply, a resonant circuit (10) is coupled to a source (S1,S2) of alternating input voltage that is controllable in operating frequency. A power transformer primary winding (W1) is coupled across the capacitive element (C O ) of the resonant circuit (10) for generating an output voltage across a secondary winding (W3). A control circuit (50) varies the operating frequency in a negative feedback loop to regulate the output voltage on the positive slope of the frequency characteristic curve. A frequency limiting circuit (60) prevents the operating frequency from passing through the resonance frequency of the resonant circuit.
    • 在谐振调节器电源中,谐振电路(10)耦合到可操作频率可控的交流输入电压源(S1,S2)。 电源变压器初级绕组(W1)耦合在谐振电路(10)的电容元件(CO)两端,用于产生跨越次级绕组(W3)的输出电压。 控制电路(50)在负反馈回路中改变工作频率,以调节频率特性曲线的正斜率上的输出电压。 频率限制电路(60)防止工作频率通过谐振电路的谐振频率。
    • 9. 发明公开
    • POWER REGULATOR
    • VARIABLERINDUKTIVITÄT
    • EP1078378A4
    • 2004-04-21
    • EP99924153
    • 1999-05-07
    • MINEBEA CO LTD
    • JANSEN ARIANM
    • G05F1/13H02M3/28H02M7/06H01F17/00G05F1/14H02M3/335H02M3/337
    • H02M7/066
    • A power regulator (30) is provided which employs a resonant circuit (32) and permits regulation between a certain maximum value and zero. A series resonant circuit is adjusted to regulate power by adjusting the correspondence between the resonance frequency and the frequency of the voltage source (31) such as an AC source delivering a sine wave or a square wave. Further, the output voltage is regulated to be lower than the AC source (31) when output current is zero. A capacitance (C2) is connected in parallel with the output of the power regulator (30) to form a second resonant circuit with the inductance (L1) of the series resonant circuit (32). A method of power regulation is also contemplated.
    • 提供了一种功率调节器,其采用谐振电路,并允许在一定的最大值和零之间进行调节。 调整串联谐振电路以通过调节谐振频率和诸如提供正弦波或方波的AC源的电压源的频率之间的对应关系来调节功率。 此外,当输出电流为零时,输出电压被调节为低于AC电源的电压。 电容与功率调节器的输出并联连接,以形成具有串联谐振电路的电感的第二谐振电路。 还考虑了功率调节的方法。