Abstract
Accurate DC-DC converter efficiency model is very important in the energy management optimal control of electric vehicles. In order to establish a reliable efficiency model and improve its accuracy, a novel circuit average modeling method of non-ideal Buck converter is presented. The mathematical model of non-ideal Buck converter is established. To verify the accuracy of the mathematical model, the simulation is realized by MATLAB/Simulink. A comparison between theoretical value and simulation value is analyzed. The results show that: first, the Buck converter efficiency model is reasonable. Second, the largest absolute error value is 2.3%.
| Original language | English |
|---|---|
| Pages (from-to) | 935-939 |
| Number of pages | 5 |
| Journal | Energy Procedia |
| Volume | 88 |
| DOIs | |
| Publication status | Published - 1 Jun 2016 |
| Event | Applied Energy Symposium and Summit on Low-Carbon Cities and Urban Energy Systems, CUE 2015 - Fuzhou, China Duration: 15 Nov 2015 → 17 Nov 2015 |
Keywords
- DC-DC converter
- Efficiency model
- Electric vehicles
- Energy loss
- Hybrid power system
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