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Power Module for 0.5 hp Motor Drives
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0.5 hp (0.37 kW) power output
Industrial rating at 150% overload for 1 minute
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180-240V AC single-phase input, 50/60 Hz
Single-phase rectifier bridge
3-phase, short circuit rated, ultrafast IGBT inverter
HEXFRED ultrafast soft recovery freewheeling diodes
Low inductance (current sense) shunts in positive
and negative DC rail
NTC temperature sensor
Pin-to-baseplate isolation 2500V rms
Easy-to-mount two-screw package
Case temperature range -25
o
C to 125
o
C operational
Figure 1.
IRPT1066A Power Module
180-240V
single-phase input
IRPT1066A
Power
Module
Gate
Driver
Board
PWM
variable
frequency
output
AC
motor
feedback
(non-isolated)
feedback
processing
PWM
generator
keyboard
Figure 2.
The IRPT1066A Power Module within a motor
control system