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Re: an invitation [message #31631 is a reply to message #31619] Mon, 19 December 2005 05:49 Go to previous messageGo to previous message
Damir is currently offline  Damir
Messages: 1005
Registered: May 2009
Illuminati (2nd Degree)
Do you have a Vanderveen`s book? There is a chapter about measuring primary inductance (indirectly, by meas. Lsec) in OPTs. Plitron specifies Lp of their OPTs on 230V/50Hz, I doubt that there is a standard?
Lp is not constant, but have "parabolic-like" curve in respect with rising voltage. Maybe measuring a few points to find L/V curve and then specifing L on some "real" voltage, useful in grid choke function, say 50Vrms?

 
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