Bart,Thanks for the comments (I was beginning to think nobody cared because it is not a DRSSTC). ;-)
There is nothng stopping us from giving that a try. The Baldor motor controllers are also used for a soft start as the mass of the whole SRSG unit is quite large.
We'll be spinning these up in a couple of weeks and programming the PID loops. Sam Barros and I will be posting videos on our YouTube site (search kVA Effects on YouTube) of this and other sub-systems under test.
Jeff----- Original Message ----- From: "bartb" <bartb@xxxxxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> Sent: Wednesday, February 06, 2008 6:52 PM Subject: Re: [TCML] Help for TV pilot about Tesla Coil
Sounds impressive Jeff. Hey, since your running 3-ph motors, I assume frequency drives will be controlling them? No need to go SRSG with all that control at hand. Turn those beast into extreme "scream" machines and vary that bps! Since you'll likely have all that control over the motors, may as well "use it". I run 3-phase these days and love it due to the AC efficiency and frequency control. I don't think I'll ever go back to SRSG or any static RSG speed (there's just too much fun with bps variation and max spark length can't truly be known without it - IMHO). A couple 20-hp VFD's and this added adjustment is simply sitting there waiting to be used.All my best to the KVA guru's. Bart Jeff W. Parisse wrote:Ed,The prototype ran up to 130kVA and made 55' arcs. This version is MUCH more robust. We got the frames for the SRSGs a few days ago. They are about eight feet long and four feet high and made of square steel tubing. They weight about 800lbs each and will hold the massive 20HP Baldor three phase motors.The motors, controllers and frames are in the Signal Hill shop. The tungsten company just shipped our custom electrodes and Bill Wysock and Jim Shaffer are almost finished with all the mechanicals. I'll have photos of some of the parts on our blog by this weekend.www.teslacoil.com/blog Jeff ----- Original Message ----- From: "Ed Phillips" <evp@xxxxxxxxxxx> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> Sent: Wednesday, February 06, 2008 4:03 PM Subject: Re: [TCML] Help for TV pilot about Tesla CoilChris,The World's largest Tesla coils are being built right now in Signal Hill California for the Bejing Olympics.Each coil runs at 150kW and produces an arc longer than 60 feet for 120' of lightning at once.The machines are 80% finished and on their way to China on March 30th." Have they actually run at this level yet? Ed _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla_______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla_______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla
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