A new application of diode bridge T-type LC reactor as the transient suppressor for distribution transformer is presented. The proposed transient suppressor is effective in reducing the peak overvoltage and voltage steepness by a factor of two. The transient suppressor is connected to the upstream of the protected transformer to mitigate transients induced by lightning. The approach developed enables one to construct a simple and low cost transient suppressor with negligible effects on the systems steady state operation. The proposed transient suppressor is numerically tested using simulation package PSCAD.
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[v1] 2012-08-19 02:25:55
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