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Control of a 1.5 MW active power filter and regeneration converter for a Spoornet DC traction substation
(Stellenbosch : University of Stellenbosch, 2005-03)
Although regenerative braking has been in used in railway systems for a long time
already, the energy generated was dissipated in resistor banks. The rapid advances
in the power electronics field, accompanied by the ...
Active capacitor voltage stabilisation in a medium-voltage flying-capacitor multilevel active filter
(Stellenbosch : University of Stellenbosch, 2005-03)
A switching state substitution must be developed that will make use of both single-phase
redundancies and three-phase redundancies in the flying-capacitor topology. Losses should
be taken into consideration and the ...