CAPACITIVE VOLTAGE DIVIDING CIRCUIT FOR POWER MEASUREMENT

摘要

A circuit is disclosed for determining power supplied to a load via circuit breaker. The circuit includes a bushing with a screen (31) associated with a conductor (30) forming a coupling capacitor, which along with a capacitor (32) forms part of a capacitive voltage divider network, a current transformer (35) and a processor circuit (33) receiving a divided down voltage signal (V) and a current signal (I) from the transformer (35) for providing a real time indication of the current, voltage and power supplied to the load.