Current limiting

• To: tesla-at-pupman-dot-com
• Subject: Current limiting
• From: NickandSim-at-aol-dot-com (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Mon, 11 Jan 1999 03:53:49 -0700
• Approved: twf-at-verinet-dot-com

To All,
          I have a problem.  I have been forced to use a pair of microwave
transformers for my mini tesla.  These give 5.5kV at 600ma so some current
limiting would be in order!!  I have calculated that a 30uH inductor would
limit the current suitably but would like a second opinion.  I enclose the
rough design parameters.
Secondary 
diameter = 30mm
height = 150mm
wire dia. = 0.30mm
spacing = 0mm
turns = 499
wire length = 47.03m
inductance = 1.35mH
Unloaded Res. = 2751.16kHz
Loaded Res. = 1594.74kHz
Self cap. = 2.48pF
Toroid = 1 * 3.5 in

Primary
primary cap = 0.01uF
primary res. = 1594.74kHz
conductor dia. = 0.92mm
turn to turn spacing = 5.50mm
inside spacing = 6mm

                                 Nick Field
 

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