Hioki 3286-20, Инструкция по эксплуатации

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Chapter 3 Specifications
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Function Item Symbol
Operation
Expression
Balanced three-
phase power factor,
phase angle, and
power
measurements 3
φ
PF
meter
(Balanced three
phases, sine wave,
50/60 Hz)
3
φ
power
factor
λ
(3
φ
) For line current I
R
lags U
RS
:
cos |
φ
-30 |
For line current I
R
leads U
RS
:
cos (|
φ
|+30 )
3
φ
reactive
factor
For line current I
R
lags U
RS
:
sin |
φ
-30 |
For line current I
R
leads U
RS
:
sin (|
φ
|+30 )
3
φ
active
power
P (3
φ
)
[W]
3
φ
apparent
power
S (3
φ
)
[VA]
3
φ
reactive
power
Q (3
φ
)
[var]
Remarks:
M : Sampling number
n : Sample point number
φ
: Phase difference between line voltage U
RS
and
line current I
R