How to select MOS tubes for three-phase full-bridge inverter drive circuits?

_earth

How to select MOS tubes for three-phase full-bridge inverter drive circuits? [Copy link]

 

I need to drive three asynchronous motors. The DC bus voltage is about 310V. Does anyone have any good MOS tube recommendations? The withstand voltage of the MSO tube should be 600V.

maychang

"I need to drive three asynchronous motors." "Three" should be "three-phase." "Does anyone recommend any good MOS tubes?" How much current is needed? Or you can also know the motor power and other parameters.

_earth

maychang posted on 2019-1-15 14:53 "Need to drive three asynchronous motors" "Three" should be "three-phase". "Does anyone recommend any good MOS tubes?" How much current is needed...

The current is not clear. The motor is 1.5KW. If a MOS tube is used, it seems that the size will be very large. Does anyone have any IGBT recommendations? Thank you

maychang

_earth Published on 2019-1-15 15:10 The current is not clear, the motor is 1.5KW, and it seems that the size will be very large if a MOS tube is used. Do you have any IGBT recommendations? Thank you

"The current is not clear, the motor is 1.5KW" is a bit strange. Is your motor an ordinary AC three-phase asynchronous motor? Rated voltage 380V? If so, then your DC bus voltage of 310V cannot reach the voltage of the drive motor after inversion.

maychang

_earth Published on 2019-1-15 15:10 The current is not clear. The motor is 1.5kW. If MOS tube is used, it seems that the volume will be very large. Is there any IGBT that you can recommend? Thank you

If your motor is 1.5kW, then under the condition of industrial frequency AC (50Hz) 380V, ordinary MOS tubes can fully cope with it. There are many MOS tube models with a withstand voltage of 500V and a current of 20A. IGBT is not necessary.

qwqwqw2088

I'm not advertising for Infineon. I recommend using Infineon's C3 series, which is relatively easy to use. Refer to the manual when using it. Different Rdson means different current levels: 4A SPA04N60C3 7A SPA07N60C3

ZJZJ8972ZJ

How big is the current?

孟德斯鸠

Longteng Semiconductor's Cool MOS Manufacturer KK: 2508739063

hilbertdavid

20N60