The traction system will be supplied from single phase 132/50 kV transformers at 13 supply points, to provide a 25 kV catenary voltage and 50 kV supply to a feeder wire beside the track connected to 50/25 kV auto transformers at intervals along the track. The 132 kV short circuit levels at the supply points may be below 300 MVA while loads may reach short duration peaks of 20-40 MVA. Static VAr compensators are to be installed at nine locations to reduce the unbalance caused by the traction load. The locomotives will use thyristor controlled drives which will inject harmonic currents into the power system. Harmonic filters will be required to absorb harmonic currents from both the 50 kV traction load and from the static VAr compensators.
Planning electricity supply facilities for Central Queensland's rail electrification
Die Planung der Bahnstromversorgung in Zentral-Queensland fuer die Bahnelektrifizierung
Electrical Engineer, Chippendale ; 62 , 9 ; 28-36
1985
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Article (Journal)
English
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