In order to clarify the unique features of the new topology,
different loads with different wattage and resistant are
utilized. In different load condition, power factor, input current
THD and overall efficiency, of the ballast, are measured.
Switching losses effect on ballast efficiency is discussed
through experimental point of view. Simulation results are
obtained by PSCAD/EMTDC software [8]. Experimental
results not only verify simulation results but also describe
the operating principle and feasible feature of the new
topology.