FILTER CAPACITANCE ESTIMATION BY RESONANCE FREQUENCY DETERMINATIONA method of estimating a quantity dependent on a capacitance (Cf) of an electrical filter (14) connected to an AC side (16) of an electrical converter (12) comprises: injecting a plurality of frequenc…DRIVE·Dec 11·2 min readFollowG01R27/2605ABB SCHWEIZ AG [CH]
CIRCUIT CONTROL APPARATUS AND METHODDisclosed in the embodiments of the present invention are a circuit control apparatus and method. The circuit control apparatus is applied to an electronic device, and comprises a charging control mod…DRIVE·Jul 31·1 min readFollowG01R27/2605VIVO MOBILE COMMUNICATION CO LTD [CN]
CAPACITOR MEASUREMENTA system and method for measuring a capacitance value of a capacitor (102) are provided. In embodiments, a resistor (112) is coupled to a terminal of the capacitor (102). A difference in voltage at th…DRIVE·Jul 10·1 min readFollowG01R27/2605ST MICROELECTRONICS SRL [IT]
Capacitance Calculation Apparatus and Method ThereofA method includes providing a current flowing through a first flying capacitor of a switched-capacitor power converter, measuring a first voltage at one terminal of the first flying capacitor at a fir…DRIVE·Jan 12·1 min readFollowG01R27/2605NuVolta Technologies (Shanghai) Co., Ltd.
METHOD AND PHOTOVOLTAIC INVERTER FOR DETERMINING THE SYSTEM CAPACITY OF A PHOTOVOLTAIC SYSTEM TO GROUNDA method and a photovoltaic inverter determines the system capacitance of a photovoltaic system relative to ground. The voltage required for the measurement can be provided by the intermediate circuit…DRIVE·Oct 20·1 min readFollowG01R27/2605Fronius International GmbH
