Omron 3G3MX2 User Manual page 404

8-1 Inspection and Maintenance
Measurement
Output power
Note 1. For output voltage, use a measurement device that displays effective values of fundamental wave.
Note 2. The Inverter output waveform, under PWM control, may have a margin of error, especially at a low
Diode
600 V, 0.1 A max.
(200V class) 1,000 V, 01.
A max. (400V class)
Effective value of fundamental wave
V
8
8-9
Measurement point
item
Calculated from the measured values of output voltage E
output current I
OUT
factor
Pf
Pf
OUT OUT
For current and electric power, use a measurement device that displays all effective values.
frequency. Testers (general-purpose type) are not applicable in many cases because of noise.
Measurement method
of output voltage
R U
S V
T W
= 1.1 × V
AC DC
Measurement device
, and output electric power W
W
OUT
= × 100 (%)
3 · E · I
OUT OUT
2 W 220 kΩ
+
−
V
AC
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
Measurement value
Note
reference
,
OUT
OUT
−
Motor
V
DC
Moving-coil type
300 V (200V class)
600 V (400V class)