YOKOGAWA WT230 User Manual

4-27
IM 760401-01E
Setting Measurement Conditions and Measurement Range
4
Computation example 2:
3P3W
Display A Display B Display C Wiring method
ΣW (= W1 + W3) W2
ΣW – W2
W2
W1
W3
Inverter
Computation example 3:
3P3W
Display A Display B Display C Wiring method
W2 ΣW (= W1 + W3)
W2 – ΣW
W2
W1
W3
Inverter
: Displays the result of display A × display B.
Useful when setting a function other than VA (apparent power) for display A and
displaying VA on display C.
Computation example :
Any
Display A Display B Display C Wiring method
V1rms A1rms A1rms × A1rms
: Displays the result of display A ÷ display B.
When computing the absolute value of impedance
Computation example :
Any
Display A Display B Display C Wiring method
V1rms A1rms
|Z| =
V1rms
A1rms
V1
A1
SOURCE
LOAD
: Displays the result of display A ÷ display B.
Line voltage ratio and line current ratio for a three-phase wiring can be determined.
Computation example :
A1rms A3rms
A1rms
A3rms
3P3W
Display A Display B Display C Wiring method
V1rms V3rms
V1rms
V3rms
V1
SOURCE
LOAD
V3
A1
A3
4.11 Performing Four Arithmetical Operation

YOKOGAWA WT230 Specifications

General

Brand	YOKOGAWA
Model	WT230
Category	Measuring Instruments
Language	English