| 摘要 |
<p>The present invention provides a circuit protection device for protecting an electrical circuit, the circuit protection device having a signal processing unit which includes a digital processor which is adapted to receive a digital signal Idig which has a value representative of a current through an electrical path of an electrical supply, receive a digital signal Vdig which has a value representative of the voltage across the electrical path, and produce a digital signal IRdig which has a value representative of the real component of the current through the electrical path, based on the digital signals Idig and Vdig.</p> |
