Re: Breakdown voltages of toroids

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Peter Lawrence <Peter.Lawrence-at-Sun-dot-com> 

Antonio,
         how about another table that gives the toroid capacitance relative
to a sphere equal to the larger diameter of the toroid.
-Pete Lawrence.


 >Original poster: "Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br>
 >
 >2 cm    sphere:    30.0 kV  1.11 pF 1.00
 >4x2 cm  toroid:    45.2 kV  1.94 pF 1.51
 >6x2 cm  toroid:    56.6 kV  2.71 pF 1.89
 >8x2 cm  toroid:    65.8 kV  3.44 pF 2.19
 >10x2 cm toroid:    73.5 kV  4.15 pF 2.45
 >12x2 cm toroid:    80.1 kV  4.83 pF 2.67
 >14x2 cm toroid:    85.6 kV  5.50 pF 2.85
 >16x2 cm toroid:    91.1 kV  6.15 pF 3.04
 >18x2 cm toroid:    95.7 kV  6.79 pF 3.19
 >20x2 cm toroid:    99.9 kV  7.41 pF 3.33
 >
 >6.697x2 cm toroid: 60.0 kV  3.07 pF 2.00
 >15.56x2 cm toroid: 90.0 kV  6.01 pF 3.00
 >
 >The last column is the ratio to 30 kV, the breakdown voltage due to
 >the minor diameter alone.
 >
 >Antonio Carlos M. de Queiroz
 >
 >