9-9
IM WT3001E-51EN
IEC Harmonic Measurement (Option)
9
•  Selecting the Current Grouping
2.
  Press the I Grouping soft key to display the I Grouping menu.
3.
  Press any of the soft keys from OFF, Type 1, and Type 2 to select the current 
grouping.
     
Explanation
•  Selecting the Voltage/Current Grouping
  The harmonics in IEC harmonic measurement are determined from the component of 
each order and the interharmonics between the orders. You can select the computing 
equation of the harmonic from the list below.
  • OFF
  Only the components of the integer multiples of the fundamental wave are 
considered harmonic component of each order. Interharmonic components are not 
included.
  • Type1
  The harmonic subgroup is considered a harmonic component of the corresponding 
order.
  • Type2
  The harmonic group is considered a harmonic component of the corresponding 
order.
9.5  Selecting the Voltage/Current Grouping