Page - 238 - in Emerging Technologies for Electric and Hybrid Vehicles

Energies 2016,9, 410 Table3.Power lossdistribution(500Wrated loadcondition). Items ChargeState DischargeState CalculatedResults CalculatedResults Conduction lossofQ1 0.62W 0.62W Conduction lossofQ2 1.58W 1.58W Conduction lossofQ3 0.67W 0.67W Conduction lossofQ4 1.29W 1.29W Conduction lossofS1 0.58W 0.58W Conduction lossofS2 0.58W 0.58W Conduction lossofS3 0.58W 0.58W Conduction lossofS4 0.58W 0.58W Switching lossofQ1 (turnon/off transition) on: 0.09W;off: 0.52W on: 0.10W;off: 0.72W Switching lossofQ2 (turnon/off transition) on: 0.19W;off: 1.01W on: 0.17W;off: 0.87W Switching lossofQ3 (turnon/off transition) on: 0.09W;off: 0.62W on: 0.09W;off: 0.52W Switching lossofQ4 (turnon/off transition) on: 0.10W;off: 0.69W on: 0.09W;off: 0.54W Switching lossofS1 (turnon/off transition) on: 0.07W;off: 0.44W on: 0.05W;off: 0.55W Switching lossofS2 (turnon/off transition) on: 0.05W;off: 0.60W on: 0.06W;off: 0.35W Switching lossofS3 (turnon/off transition) on: 0.05W;off: 0.47W on: 0.05W;off: 0.29W Switching lossofS4 (turnon/off transition) on: 0.06W;off: 0.34W on: 0.05W;off: 0.46W Conduction lossofL1 4.94W 4.94W Conduction lossofL2 4.94W 4.94W Conduction lossofLa 1.80W 1.80W Conduction lossofLb 1.80W 1.80W Conduction lossofCB 1.61W 1.61W Conduction lossofCH 1.67W 1.67W Conduction lossofCL 0.02W 0.02W Conduction lossofCM1 0.01W 0.01W Conduction lossofCM2 0.01W 0.01W Gatedriving lossofQ1~Q4 0.02W 0.02W Gatedriving lossofS1~S4 0.08W 0.08W Total losses 28.5W 28.64W %inrated loadcondition 5.70% 5.73% CalculatedEfficiency 94.30% 94.27% MeasuredEfficiency 94.29% 94.25% Theperformance comparisonsbetween the studiedBDCandavarietyofpublished research resultsaresummarized inTable4. Ascanbeseen fromthecomparativedata, thoughtheamounts ofcomponents in theproposedconverteraremore thantherequirement in theotherpreviousBDCs. Thestudiedtwo-phaseBDCindeedperformsthehigherconversionefficiency,bidirectionalpower flow, loweroutputripplesunder500Wpowerratingthanotherannouncedworks [17,22,23]. Finally, thepractical photographof the realizedBDCprototypeand the test bench systemaredepicted in Figure23. 238