| 摘要 |
601721 Disclosed is a system (100) for measuring electricity. The system (100) is comprised of an electric meter (30) having a housing; and a voltage-modifying device (20) connected to the electric meter (30) for modifying a received voltage. The voltage-modifying device (20) is provided to allow the electric meter (30) to operate in accordance with a predetermined power supply requirement. The voltage-modifying device (20) is located within the electric meter housing or is external to the electric meter housing. The electric meter (30) further includes an adaptor terminal (101) configured to connect to the voltage modifying device (20) to provide voltage feedback relating to at least one received phase to the electric meter (30). |
