IRPT3054A 데이터 시트보기 (PDF) - International Rectifier

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IRPT3054A

Power Module for 5 hp Motor Drives

International Rectifier 

IRPT3054A

Power Module

The IRPT3054A 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

3-phase input bridge rectifiers are rated at 1600V. The brake

circuit uses 1200V IGBT and freewheeling diode. The inverter

section employs 1200V, short circuit rated, ultrafast IGBTs and

ultrafast freewheeling diodes. Current sensing is achieved

through 25 m 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 level 3 requirements.

The power circuit and layout within the module are carefully

designed to minimize inductance in the power path, to reduce noise

during inverter operation and to improve the inverter efficiency.

The driver board required to run the inverter can be soldered to the

power module pins, thus minimizing assembly and alignment. The

power module is designed to be a mounted to a heat sink with two

screw mount positions, in order to ensure good thermal contact

between the module substrate and the heat sink.

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