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Maxwell H.V. Capacitor




From: 	Lyonel BAUM[SMTP:106407.3647-at-compuserve-dot-com]
Reply To: 	106407.3647-at-compuserve-dot-com
Sent: 	Wednesday, January 07, 1998 5:04 PM
To: 	tesla-at-pupman-dot-com
Subject: 	Maxwell H.V. Capacitor

I bought a 0,069 F HV Maxwell capacitor at Surplus Sales of Nebraska.
I received the good model ( 37433 )but I'm little bit confused by the
caracteristics label :

Hight voltage capacitor
cat n 37433
Capacitance   : 0,069 F
Voltage       : 80 kV
Measured cap. : 0,00657 F ( ? )
Equiv. series ind. : 0,020H.

And , yes , the measured value ( Bi Wavetek capacimeter ) is
0,00659 F.

Who can explain the difference between capacitance and measured values?

BTW my transformer is a big 220 V ( 50 hz ) / 15000 V -at- 0.5 A
custom wound oil transformer ( 160 kg).

Thank you,

Dr Lyonel Baum (MD) 6 carrefour de l'Europe Macon France  W .Europe