International
Rectifier
PD 6.090
PRELIMINARY
lRPT5051A
POW
IR
TRAIN
TM
Integrated Power Stage for 15 hp Motor Drives
15 hp (11 kW) power output
380
-
480V AC; 50/60Hz
3-phase rectifier bridge
3-phase short circuit rated ultrafast IGBT inverter
HEXFRED
TM
UltraFast
TM
soft recovery
free-wheeling diode
NTC temperature sensor
Pin-to-base plate isolation 2500V rms
Easy-to-mount package
Case temperature range -25擄C to 125擄C operational
Figure 1. IRPT5051A Power Assembly
IRPT5051 C
POW
IR
TRAIN
isolated PWM signals
l - - - - - - - - - - -
feedback
- - - - - - -
feedback
processing
isolated
pow er
supply
PWM
signal
generator
4
keyboard
i
I
External Control Functions
Figure 2. The Power Assembly and
POW
IR
TRAIN
within a
motor control system
Revised
3/5/97