Instruction Manual Instruction Manual

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32
̶
◆
Single-phase 3-wire (1
Φ
3W)
Model
Name
CH1 CH2 CH3
KEW LOG Soft2
Fixed parameters
KEW 5010 A1 A2 --- Voltage value, Power factor
KEW 5020
A1 A2 --- Voltage value, Power factor
V A1 A2 Power factor
◆
Three-phase 3-wire (3
Φ
3W)
General formula is: P=V
×
(A1
×
cos(30
°
-
Φ
1)+A2
×
cos(30
°
+
Φ
2)),
however, here
Φ
1=
Φ
2 is applied.
Therefore: P =
√
3/2
×
V
×
(A1+ A2)
×
PF
Model
Name
CH1 CH2 CH3
KEW LOG Soft2
Fixed parameters
KEW 5010 A1 A2 --- Voltage value, Power factor
KEW 5020
A1 A2 --- Voltage value, Power factor
V A1 A2 Power factor
L1
N
L2
A1V A2
SOURCE LOAD
SURCE LOAD
L1
L2
L3
A1V A2