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Design & implementation of a 3-phase energy efficient switchable transformer controller using the PIC18F8720 microcontroller

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2 Author(s)
Ali, S. ; Sch. of Electr. Eng. & Inf. Eng., South Australia Univ., Mawson Lakes, Australia ; Klaer, D.A.

Research on a switchable transformer has shown that improvements in transformer efficiency can be achieved by switching between series and parallel winding configurations. Random switching solid-state relays have been used to switch between the series, parallel and conventional configurations of a 3-phase, 3 kVA transformer. To control the switching to ensure maximum efficiency, to reduce the introduction of harmonics into the supply and to monitor the condition of the transformer, a controller has been implemented utilizing the PIC18F8720 microcontroller.

Published in:

Power System Technology, 2004. PowerCon 2004. 2004 International Conference on  (Volume:2 )

Date of Conference:

21-24 Nov. 2004