Hierachical battery Model Designer10 × Member for 11 years 10 months 623 designs 10 groups Big fan of VHDL-AMS https://explore.partquest.com/node/102126 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/102126"></iframe> Title Description <p>This circuit models a LiFePO4 cell voltage.</p><p>Based off of the model described in:</p><p>Liao Chenglin; Li Huiju; Wang Lifang, "A dynamic equivalent circuit model of LiFePO4 cathode material for lithium ion batteries on hybrid electric vehicles," Vehicle Power and Propulsion Conference, 2009. VPPC '09. IEEE , vol., no., pp.1662,1665, 7-10 Sept. 2009</p><p>doi: 10.1109/VPPC.2009.5289681</p><p>see also http://www.systemvision.com/design/dynamic-equivalent-circuit-model-lifepo4-batteries</p><p>parameters: </p><p>initial SOC [no units] (0.0 - 1.0)</p><p>initial charge capacity [Amphour] (> 0.0)</p><p>See this test circuit, which implements a hierarchical version of this model:</p><p>https://www.systemvision.com/design/test-battery-vocfsoc</p> About text formats Tags Batterystate-of-chargeHierarchicalOIT Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
Li-Ion battery cell Designer10 × Member for 11 years 10 months 623 designs 10 groups Big fan of VHDL-AMS https://explore.partquest.com/node/549 <iframe allowfullscreen="true" referrerpolicy="origin-when-cross-origin" frameborder="0" width="100%" height="720" scrolling="no" src="https://explore.partquest.com/node/549"></iframe> Title Description <p>This circuit models a Li-Ion (LiFePo4) battery</p><p>Based on the following paper:</p><p>Marek MICHALCZUK1, Bartłomiej UFNALSKI2, Lech M. GRZESIAK2, Piotr RUMNIAK2</p><p>Politechnika Warszawska, Instytut Automatyki i Robotyki (1), Instytut Sterowania i Elektroniki Przemysłowej (2)</p><p>Power converter-based electrochemical battery emulator</p><p>http://pe.org.pl/articles/2014/7/3.pdf</p><p>Status:</p><p>This model replicates figure 6 in the above paper, with the addition of modeling a variable number of cells. </p><p>The number of cells modeled can be changed by modifying the blocks:</p><p>NCELLS_const & NCELLS_reciprocal_const</p><p>Modify the values of these blocks to the number of cells and reciprocal of the number of cells, respectively.</p><p>The model is calibrated for a single 40Ah battery cell (specifically, WB-LYP40AHA). This 40Ah calibration is represented by parameters values of 4 different blocks: </p><p> I_meas</p><p> Rsn_const</p><p> C1_const</p><p> R1_const </p><p>To calibrate for a given cell capacity, Capacity_cell [Ah], modify the parameters according to these relationships:</p><p> I_meas.K = </p><p> 1/(Capacity_cell[Ah]*3600[s])</p><p> Rsn_const.OUTPUT_LEVEL = </p><p> 3.1E-3[Ohm]*Capacity_cell[Ah]/40[Ah]</p><p> R1_const.OUTPUT_LEVEL = </p><p> 1.9E-3[Ohm]*Capacity_cell[Ah]/40[Ah]</p><p> C1_const.OUTPUT_LEVEL = </p><p> 22.75E3[Farad]*Capacity_cell[Ah]/40[Ah]</p> About text formats Tags Batterystate-of-chargeLi-IonLiFePO4WB-LYP40AHAOITHierarchical Select a tag from the list or create your own.Drag to re-order taxonomy terms. License - None -
