Re: SCR coil questions..was Sam's HIGH POWER...

• To: tesla-at-pupman-dot-com
• Subject: Re: SCR coil questions..was Sam's HIGH POWER...
• From: "danial stocks" <diode-at-hotmail-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Wed, 27 Jan 1999 20:53:14 -0700
• Approved: twf-at-verinet-dot-com

> The diode has outlasted several SCRs. The main thing that has killed 
SCRs
>is the core still being in saturation.  The SCR barely gets warm during 
full
>power operation.
>

Perhaps the cause of SCR failure is di/dt - if the rate of current rise 
is too high then hot spots can appear on the SCR chip leading to failure 
- if the core is saturated the inductance of coil may be significantly 
less than when ' cold'

______________________________________________________
Get Your Private, Free Email at http://www.hotmail-dot-com

• Prev: Re: Scope pictures of my TC: how I did it
• Next: Re: Capacitance of a coil
• Index(es):
  • Main
  • Thread