Measurement Items - YOKOGAWA WT332E User Manual

7.2

Measurement Items

Item
Displayed items
During normal measurement
Item Indicator
U V
I A
P W
S VA
Q var
TIME TIME
λ PF
Φ °
U+pk V pk
U-pk V pk
I+pk A pk
I-pk A pk
P+pk W pk
P-pk W pk
WP W h
WP+ W h±
WP- W h±
q A h
q+ A h±
q- A h±
MATH MATH
fU V Hz
fI A Hz
Uthd THD V %
Ithd THD A %
During harmonic measurement
Item Indicator
U V
I A
P W
k or. (in 7 segment display)
Uhdf V %
Ihdf A %
Phdf W %
ΦU V °
ΦI A °
λ PF
fU V Hz
fI A Hz
Uthd THD V %
Ithd THD A %
Element
7-4
Specifications
Displayed On
A, B, C, D
A, B, C, D
A, B, C, D
A
A
A
B, D
B
C
C
C
C
C
C
C
C
C
C
C
C
C
D
D
D
D
Displayed On
A, B, C, D
A, B, C, D
A, B, C, D
A
B
B
B
B
B
D
D
D
D
D
Select the input element or Σ on the WT332E/WT333E. Displays the display item of the
selected element.
Meaning
voltage
current
active power
apparent power
reactive power
elapsed integration time
power factor
phase angle
Maximum voltage
Minimum voltage
Maximum current
Minimum current
Maximum active power
Minimum active power
sum of watt hours
positive watt hour
negative watt hour
sum of ampere hours
positive ampere hour
negative ampere hour
Result of efficiency computation, crest factor computation,
four arithmetic operations, and average active power during
integration
voltage frequency
current frequency
total harmonic distortion of voltage
total harmonic distortion of current
Meaning
harmonic voltage
harmonic current
harmonic active power
harmonic order
relative harmonic content of each harmonic voltage
relative harmonic content of each harmonic current
relative harmonic content of each harmonic power
phase angle of each harmonic component of voltage
phase angle of each harmonic component of current
power factor of fundamental signal
frequency of the voltage set to be the PLL synchronization
source
frequency of the current set to be the PLL synchronization
source
total harmonic distortion of voltage
total harmonic distortion of current
IM WT310E-02EN