Harmonic Measurement Function Orders
The harmonic orders that you can specify are indicated below.
Input Element Harmonic Measurement Functions
Measurement
Function
Characters or Numbers in Parentheses
Total 0 (DC) 1 k
U( ) Yes Yes Yes 2 to 500
I( ) Yes Yes Yes 2 to 500
P( ) Yes Yes Yes 2 to 500
S( ) Yes Yes Yes 2 to 500
Q( ) Yes Fixed at 0 Yes 2 to 500
λ( ) Yes Yes Yes 2 to 500
Φ( ) Yes No Yes 2 to 500
ΦU( ) No No No 2 to 500
ΦI( ) No No No 2 to 500
Z( ) No Yes Yes 2 to 100
Rs( ) No Yes Yes 2 to 100
Xs( ) No Yes Yes 2 to 100
Rp( ) No Yes Yes 2 to 100
Xp( ) No Yes Yes 2 to 100
Uhdf( ) No Yes Yes 2 to 500
Ihdf( ) No Yes Yes 2 to 500
Phdf( ) No Yes Yes 2 to 500
Uthd Yes No No No
Ithd Yes No No No
Pthd Yes No No No
Uthf Yes No No No
Ithf Yes No No No
Utif Yes No No No
Itif Yes No No No
hvf Yes No No No
hcf Yes No No No
K-factor Yes No No No
Functions with parentheses will produce different values depending on which of the following is contained in their
parentheses.
• T
otal: Total value (The total value of all harmonic components from the minimum order to N.
*
For information
about how the value is determined, see appendix 1 in the getting started guide, IM WT1801-03EN.)
• 0(DC):
DC value
• 1: Fundamental harmonic value
• k: The value of any order from 2 to N.
*
* N is the maximum measurable order. The maximum measurable harmonic order is the smallest of the three
orders listed below.
• The specified maximum measurable harmonic order
•
The value determined automatically according to the PLL source frequency (see section 6.4 in the getting
started guide, IM WT1801-03EN)
• When the data update interval is 50 ms, the maximum measur
able harmonic order is 100.
1 Items That This Instrument Can Measure
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