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Re: Transzorbs in IGBT circuits
Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
If I remember right, they only go to about 128 volts each in bi-directional
so you have to put a few in series. I got the highest voltage and highest
power I could find which I think is 1500 watt.
At 08:26 AM 4/25/2004, you wrote:
>Currently constructing and collecting parts for a DRSSTC using "warp"
>speed 900v IGBTS, and will have ca. 600v input from rectified 415v two
>phase (240v per phase).
>Looking for some guidelines on what kind of transzorbs I should use. I
>assume I want the bidirectional devices right? And maybe about 750-800v
>rating? Do these things come in different speeds? What speed should I use?
>Any advice on wattage ratings would also be most useful.
>Department of Earth Sciences,
>University of Queensland, Australia
>Phone: 0402 841 677