KEW6305
13.4
Power factor PF
Display range
-1.000 to 0.000 to 1.000
Polarity indication
- (minus)
: leading phase
+ (no sign)
: lagging phase
Equation 1P2W
×1
S
P
PF
=
×2
(
)
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
×3
(
)
3
,
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
1P3W
(
)
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
3P3W
(
)
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
3P3W3A
(
)
3
,
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
3P4W
(
)
3
,
2
,
1
=
=
i
Si
Pi
PFi
，
S
P
PF
=
Neutral current In [A]
*only when “WIRING = 3P4W”
Calculation
3
2
cos
3
cos
2
1
θ
θ
A
A
A
An
+
+
=
*
θ
2
：
Phase difference between
A1
and A2
*
θ
3
：
Phase difference between
A1
and A3
13.3 Integration measurement (
Wh
Range)
Active energy WP [Wh]
Displayed item
Consumption (Overall:
WP
+
, each phase:
WPi
+
)
Display range
0.00Wh to 999999GWh
(digit and unit will be adjusted according to
WS
+
.)
Equation
Consumption
(+WP)
Each phase:
(
)
∑
+
=
+
h
Pi
WPi
Overall:
(
)
∑
+
=
+
WPi
WP
Regeneration
(-WP)
Each phase:
(
)
∑
−
=
−
h
Pi
WPi
Overall:
(
)
∑
−
=
−
WPi
WP
*
h
: Duration of integration
*
1
=
i
(1P2W_1ch)
*
2
,
1
=
i
(1P2W_2ch, 1P3W,3P3W)
*
3
,
2
,
1
=
i
(1P2W_3ch, 3P3W3A, 3P4W)
www.
GlobalTestSupply
.com
Find Quality Products Online at:
