7-4
IM WT3001E-51EN
Types of Harmonic Measurement Functions
The data (numeric data) of harmonic measurement functions is measured or computed
from the sampled data
*
described later in “Measurement Period.”
* See the description of the sampled data in “Types of Measurement Functions during Normal
Measurement” of chapter 2 in the
User’s Manual IM WT3001E-01EN
.
• Types of Harmonic Measurement Functions
• Harmonic Measurement Functions for Each Input Element
The following 26 types of harmonic measurement functions are available. For
details related to the determination of measurement function data, see section 7.11.
dc
Yes
Yes
Yes
Yes
Always 0
Yes
No
No
No
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
k
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
*1
Yes
*1
Yes
*1
Yes
*1
Yes
*1
Yes
*1
Yes
*1
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Yes
*2
Total
(No ( ))
U( )
I( )
P( )
S( )
Q( )
λ( )
φ( )
φU( )
φI( )
Z( )
Rs( )
Xs( )
Rp( )
Xp( )
Uhdf( )
Ihdf( )
Phdf( )
Uthd
Ithd
Pthd
Uthf
Ithf
Utif
Itif
hvf
hcf
Voltage
Current
Active power
Apparent power
Reactive power
Power factor
Phase difference
Phase difference with respect to U(1)
Phase difference with respect to I(1)
Impedance of the load circuit
Series resistance of the load circuit
Series reactance of the load circuit
Parallel resistance of the load circuit
Parallel reactance of the load circuit
Voltage harmonic distortion factor
Current harmonic distortion factor
Active power harmonic distortion factor
Total harmonic distortion of voltage
Total harmonic distortion of current
Total harmonic distortion of active power
Voltage telephone harmonic factor
Current telephone harmonic factor
Voltage telephone influence factor
Current telephone influence factor
Harmonic voltage factor
Harmonic current factor
Characters or Numbers
in Parentheses
Measurement function
Yes: Numeric data available, No: No numeric data available
• The meaning of measurement functions with parentheses varies depending on
the characters or numbers that are inside the parentheses as follows:
• dc: Indicates numeric data of the DC component.
• 1: Indicates numeric data of the fundamental wave.
• k: Indicates numeric data from 2
nd
to N
th
order harmonics. N is the upper
limit of the measured order (see section 7.6). The upper limit is determined
automatically (maximum is 100) by the frequency of the PLL source.
• Uhdf to hcf are measurement functions that indicate characteristics specific to
the harmonics. For details on the determination of the measurement functions,
see section 7.11.
*1 Cannot be measured with the harmonic measurement in normal measurement mode.
*2 Cannot be measured in IEC harmonic measurement mode.
7.1 Harmonic Measurement Function