TEC/NOT/013 - 3-Phase power monitoring and the ADC/008

This paper examines the nomenclature and techniques used for AC power monitoring. In particular, the root-mean-square (RMS) values for voltages and currents, active power, apparent power, and power factor are outlined. The following topics are discussed: 

  • “10.1 Overview” on page 1 
  • “10.2 Amplitude, average and root-mean-square” on page 1 
  • “10.3 Active power, apparent power and power factor” on page 3 
  • “10.4 Three-phase power monitoring” on page 3 
  • “10.5 Power monitoring and the ADC/008” on page 4 
  • “10.6 Conclusion” on page 4