17-7
IM CW240E
CW 240 Specifications
17
●
Harmonic Measurement Function
Method
PLL synchronization method
Measurement Frequency Range Fundamental wave frequency: 45 to 65 Hz
Analysis Order
1st to 50th order
Window Width
1 cycle
Window Type
Rectangular
Analysis Data Quantity
128 points
Analysis Rate
1 time/16 cycles
Analysis Items
Harmonic level: Harmonic level of each
order of voltage/current/
electric power
Harmonic content:
Harmonic content of each
order of voltage/current/
electric power
Harmonic phase angle:
Harmonic phase angle of
each order of voltage/
current/electric power
Select for the fundamental
wave or the fundamental
wave for U1 for the voltage
and current.
Total value:
The total value up to the 50th
Order of voltage/current/
lectric power/power factor
Total harmonic distortion ratio:
Voltage/current (THD-F or
THD-R)
Accuracy
Harmonic level
1st to 20th order :
⫾
1.5% rdg.
⫾
1.5% rng.
21st to 30th order:
⫾
2.0% rdg.
⫾
1.5% rng.
31st to 50th order:
⫾
3.0% rdg.
⫾
1.5% rng.
Harmonic content
(value calculated from the harmonic level)
⫾
2 dgt.
Harmonic phase angle
The guaranteed accuracy range is 5% or
more of the range for both the current
level and the harmonic voltage of each
order.
1st to 20th order:
⫾
5
⬚
20th to 50th order:
⫾
(0.3
⬚
⫻
k+1
⬚
)k: order
The fundamental wave for current is not
specified.
Display Data
List, bar graph (linear or log), vector
Current, Electric Power
16
th
order and after of 96031,
total order of 96032 are
reference values
17.1 CW 240 Specifications