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Integrated Power Stage for 15 hp Motor Drives
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15 hp (11kW) power output
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380 - 480VAC; 50/60 Hz
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Available as complete system or sub-system assemblies
Power Assembly
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3-phase rectifier bridge
3-phase ultrafast IGBT inverter
NTC temperature sensor
Pin-to-base plate isolation 2500 Vrms
Easy-to-mount package
Case temperature range -20擄C to 95擄C operational
Driver-Plus Board
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Capacitor filter with precharge current limit
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Isolated gate drive circuits
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On-board local power supply for gate driver and
capacitor precharge control
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MOV surge suppression at input
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Isolated inverter current feedback
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Short circuit, earth/ground fault, over-temperature
protection
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Input and output terminals;
optional external brake
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Control interface connector
380 - 480 V
3-phase input
POW
IR
TRAIN
driver
power
supply
IRPT5051C
variable
frequency/
voltage
AC
motor
POW
IR
TRAIN
isolated PWM signals
isolated
power
supply
isolated
feedback
PWM
signal
generator
feedback
processing
keyboard
External Control Functions
Figure 1.
The IRPT5051C
POW
IR
TRAIN
within a motor
control system
Revised 11/5/96
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