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Creepage and clearance

vinhl

Hello,

Does anyone have any suggestions on a work-around about implementing creepage rule into a high voltage design?

I looked at the previous entry (over 14 years ago). It was not very explicit. I was hoping someone may have a better suggestion today.

We use allegro and OrCad.

There is a company in Germany that has a "plug-in" of some sort (NEXTRA). It states it is compatible with Cadence. We are looking at it as well. But was hoping we can do without it.

Thanks in advance.

Vinh.

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  • I think the first problem is it has to directly correlate to an industry-recognized safety standard.  These companies want money for their calculations per user. 

    My go-to is CSA 61010-1-12.  For the money, you get about 225 pages and covers safety for measurement/control laboratory equipment.  More detailed and restrictive than UL lab standards.

    Calculations change if conductors are Mains connected or floating/isolated from mains by a transformer.   Ultimately, I can see Cadence not wanting to be liable for it.

    If you know what CSA 60079-11 is about, look me up at CDNLive.  We should get blackout drunk together.

  • in reply to RFinley

    Also look at the EN60950 standard.

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