DescriptionThe IRPT1057C provides the complete conversion function for a 0.75hp (0.56kW) variable frequency, variable voltage, AC motor controller. The combines a power module IRPT1057A with a Driver-Plus Board IRPT1057D. Figure 1 shows the block diagram of the within an AC motor control system.Th...
IRPT1057: DescriptionThe IRPT1057C provides the complete conversion function for a 0.75hp (0.56kW) variable frequency, variable voltage, AC motor controller. The combines a power module IRPT1057A with a Drive...
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The IRPT1057C provides the complete conversion function for a 0.75hp (0.56kW) variable frequency, variable voltage, AC motor controller. The combines a power module IRPT1057A with a Driver-Plus Board IRPT1057D. Figure 1 shows the block diagram of the within an AC motor control system.
The power module IRPT1057 contains a 3-phase input bridge rectifier, 3-phase IGBT inverter, current sense shunts, and a thermistor. It is designed for easy mounting to a heat sink. The Driver-Plus Board contains DC link capacitors, capacitor soft charge function using NTC thermistor, surge suppression MOVs, IGBT gate rivers, DC bus voltage and current feedback signals, protetion circuitry and local power supply. It is designed to mate with a controller board through a single row header. Terminal blocks are provided on the Driver-Plus Board for all end user line input and motor output.
Output power is Pulse-Width Modulated (PWM) 3-phase, variable frequency, variable voltage controlled by an externally generated user-provided PWM controller for inverter IGBT switching. The power supply offers the user non-isolated 5V and 15V to power the micro-controller.