| 摘要 |
<p>A method and apparatus for determining a voltage potential in a power switching device (110). The method and apparatus uses a conductive shield surrounding a coil positioned around a connector in a power switching device. The coil is used to provide a current measuring device within the power switching device. The combination of the shield (310), connector and the dielectric between them forms a capacitor, which is the high voltage leg of a capacitive voltage divider circuit. The capacitive voltage divider has a low voltage leg made of one or more capacitors. The capacitors of the low voltage leg may be removed in order to adjust the output of the capacitive voltage divider. The output of the voltage divider circuits measured, converted and displayed to a user.</p> |
