Hioki PW3336-01, Instruction Manual

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5.5 Calculation Formulas Specifications
165
Item
Wiring
Apparent power Reactive power
All channels 1P2W
Basic calculation formula
S
(i)
Basic calculation formula
Q
(i)
Sum values
1P3W
3P3W
3P3W2M
3V3A
3P3W3M
3P4W
Item
Wiring
Power factor Phase angle
All channels 1P2W
Basic calculation formula
λ
(i)
Basic calculation formula
ϕ
(i)
Sum values
1P3W
3P3W
3P3W2M
3V3A
3P3W3M
3P4W
The polarity symbol si
sum
is acquired from the Q
sum
symbol.
) 2 ( ) 1 ( sum
S S S
+ =
) 2 ( ) 1 ( sum
Q Q Q
+ =
) S S (
2
3
S
) 2 ( ) 1 ( sum
+ =
) S S S (
3
3
S
) 3 ( ) 2 ( ) 1 ( sum
+ + =
) 3 ( ) 2 ( ) 1 ( sum
S S S S
+ + =
) 3 ( ) 2 ( ) 1 ( sum
Q Q Q Q
+ + =
sum
sum
sum sum
S
P
si
λ
=
sum sum sum
λ
cos si
φ
1
−
=
When P
sum
≥
0
(0° to ±90°)
−
−
sum
1
sum sum
λ
cos 180 si
φ
=
When P
sum
<
0
(±90° to ±180°)