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DEVICE FOR OBTAINING SECONDARY ELECTRICAL ENERGY FROM A PRIMARY ELECTRICAL ENERGY SOURCE AND USE THEREOF
DEVICE FOR OBTAINING SECONDARY ELECTRICAL ENERGY FROM A PRIMARY ELECTRICAL ENERGY SOURCE AND USE THEREOF
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机译:用于从一次电能中获取二次电能的装置及其使用
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摘要
The invention relates to a device (2) for obtaining secondary electrical energy (E2) from a primary electrical energy source (2) which provides a temporally variable electrical voltage (U1). A capacitive voltage divider (20) induces a charge which is proportional to the temporal change of voltage (U1) and which is drawn onto a capacitor device (22') by a current-carrying circuit (21'). This capacitor device provides secondary energy (E2) at connections (33', 33) of the device (2) on the output side. The device can advantageously be used for obtaining control energy for a control device of a controllable electronic component, especially a semiconductor component.
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