Controlled large signal capacitor and inductor
OwnerMarkus Rehminventor
Life of this patent
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Abstract
An electrical resonance network comprising a first capacitor and a first inductor whose resonance frequency can be tuned by means of a second capacitor and/or a second inductor. The resulting effective capacitor- or inductor value of a network period is controlled by a variable coupling respectively decoupling interval by means of at least one coupling switch. The coupling respectively decoupling interval is synchronized by a sign change of a current and/or voltage in the network.
Claims19
An electrical resonant network whose resonance frequency, impedance or admittance is controlled comprising;
- a) at least one first inductor coupled to at least one first capacitor that form a resonant circuit,
- b) at least one reactive component,
- c) at least one switch controlled by at least one ON/OFF coupling signal for coupling said reactive component to said first inductor and/or said first capacitor, wherein said reactive component is charged and discharged by said resonant circuit and said at least one ON/OFF coupling signal forms a similar impedance or admittance with respect to a positive and negative voltage- or current half wave of said resonant circuit,
- d) a control circuit for generating said at least one ON/OFF coupling signal based on a control input time response of a resonant circuit half period, wherein said at least one ON/OFF coupling signal is generated to compensate a signal delay of at least one of said control circuit and said at least one switch.
An electrical resonant network whose resonance frequency, impedance or admittance is controlled comprising;
- a) at least one first inductor coupled to at least one first capacitor that form a resonant circuit,
- b) at least one reactive component,
- c) at least one switch controlled by at least one ON/OFF coupling signal for coupling said reactive component to said first inductor and/or said first capacitor, wherein said reactive component is charged and discharged by said resonant circuit and said at least one ON/OFF coupling signal forms a similar impedance or admittance with respect to positive and negative periods of voltage- or current half waves of said resonant circuit,
- d) a control circuit for generating said at least one ON/OFF coupling signal based on a control input time response of a resonant circuit half period, wherein said control circuit comprising at least one signal delay compensation arrangement for compensating a signal delay of at least one of said control circuit and said at least one switch.
A method to control a resonance frequency, impedance or admittance of a resonant circuit including at least one first inductor and at least one first capacitor comprising;
- sensing at least one of a voltage- and/or current of said resonant circuit, coupling of at least one reactive component to said resonant circuit during a coupling interval, which changes at least once within positive and negative voltage- or current half waves of said resonant circuit, wherein said reactive component is charged and discharged by said resonant circuit and forms a similar impedance or admittance with respect to the positive and negative voltage- or current half wave of said resonant circuit, generating said coupling interval based on a control input time response of a resonant circuit half period responsive to said sensed voltage- and/or current of said resonant circuit, and compensating at least one signal delay caused by said coupling and generating.
Dependencies are inferred from the claim text.