Hardware in loop testing of energy measurement integrated circuits [articol]

Abstract

Hardware in loop testing of integrated circuit used for power and energy measurements is presented in the paper. System is based on a DSP board, data acquisition card (DAQ) and PC computer with a realtime mathematical model. The aim of the paper is to provide measurement accuracy verification in the laboratory conditions and to simulate different disturbances (nonlinearity, high-order harmonics, phase unbalance, voltage sag, etc.) using modeled load.