C H A P T E R 1 4 - A T E D I T OR
AT5600 User Manual 98-119 issue 14 Page 318
14.6.5. LSB or LPB - Inductance with Bias (Series or
Parallel Circuit)
The inductance of a transformer winding when a bias current is flowing may be
tested using series or parallel equivalent circuit models. Initially the (DC) bias
current is set up and allowed to stabilize. An AC voltage is applied across the
selected winding; the voltage across and current through the winding are then
measured using harmonic analysis. The measured voltage is divided by the
current to obtain a complex impedance and the inductance is calculated.
On selecting ‘LSB Inductance with Bias (Series cct)’ or ‘LPB Inductance with Bias
(Parallel cct)’ from the Available Tests window, a dialogue box will be displayed.
or:
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