Power Module for 1 hp Motor Drives
PD 6.092
PRELIMINARY
IRPT1053A
POWIRTRAIN™ Power Module for 1 hp Motor Drives
· 1 hp (0.75kW) power output Industrial...
Description
PD 6.092
PRELIMINARY
IRPT1053A
POWIRTRAIN™ Power Module for 1 hp Motor Drives
· 1 hp (0.75kW) power output Industrial rating at 150% overload for 1 minute · 180 - 240V AC input, 50/60Hz · 3-phase rectifier bridge · 3-phase 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-base plate isolation 2500V rms · Easy-to-mount two-screw package · Case temperature range -25°C to 125°C operational
Figure 1. IRPT1053A Power Module
180-240V 3-phase input
IRPT1053A
Power Module
PWM variable frequency output
IRPT1053D
Driver-Plus Board
AC motor
POWIRTRAIN
feedback (non-isolated)
PWM generator
feedback processing
keyboard
External Control Functions Figure 2. The IRPT1053C POWIRTRAIN within a motor control system
Revised 3/97
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IRPT1053A
The IRPT1053A Power Module
The IRPT1053A Power Module, shown in figure 1, is a chip and wire epoxy encapsulated module. It houses input rectifiers output inverter, current sense shunts and NTC thermistor. The 3phase input bridge rectifiers are rated at 800V. The inverter section employs 600V, short circuit rated, ultrafast IGBTs and ultrafast freewheeling diodes. Current sensing is achieved through 45mΩ low inductance shunts provided in the positive and negative DC bus rail. The NTC thermistor provides temperature sensing capability. The lead spacing on the power module meets UL840 pollution...
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