TECO T-Verter E2 Series - Braking Resistor Specification

57
Voltage Current Measurement
The voltage and current measurement on the primary and secondary side of the inverter may be
different due to instrumentation variations. Refer to following diagram for measurement:
Measurement Measuring point Instrument
NOTE
(Measurement criterion)
Input voltage
VI
Moving-iron
Input current
Ii
Moving-iron
Input power
Pi
Power-meter P=W1
Input power factor
PFi
Calculate power factor by the input voltage, input current and input power
Output voltage
Vo
Rectifier
(Moving-iron not
allowed)
Maximum voltage difference
between wires under 3%
Output Current
Io
Moving-iron Under the inverter rated
current
Output power
Po
Power-meter Po=W3+W4
Output power factor
A1
V1
W1 A4
A5
A6
V4
V5
V6
W3
W4
L1
(R)
L2
(S)
T1
(U)
T2
(V)
T3
(W)
Signal-phase
power supply
To motor
Different kinds of
instrument
V
1
W1
A1
V
4
V
5
V
6
A6
A4
A5
W4
W3