CAJ | 학술논문

光伏阵列功率曲线在局部阴影条件下出现多峰值情况，改进的全局扫描法和粒子群优化算法是2种用于该种情况的最大功率点跟踪（M PPT ）算法，文章从原理上对2种算法进行理论分析，并在不同阴影条件下对2种算法在跟踪过程中能量损失方面进行仿真对比研究。仿真结果表明：不同阴影条件下2种算法在跟踪过程中能量损失方面存在差异性，在大多数多峰值情况中，粒子群优化算法在跟踪过程中能量损失方面具有一定优势。
광복진렬공솔곡선재국부음영조건하출현다봉치정황，개진적전국소묘법화입자군우화산법시2충용우해충정황적최대공솔점근종（M PPT ）산법，문장종원리상대2충산법진행이론분석，병재불동음영조건하대2충산법재근종과정중능량손실방면진행방진대비연구。방진결과표명：불동음영조건하2충산법재근종과정중능량손실방면존재차이성，재대다수다봉치정황중，입자군우화산법재근종과정중능량손실방면구유일정우세。
The power curve of PV array shows the multi-peak value under partially shaded condition . Two maximum power point tracking(MPPT)control algorithms are used in this condition ,namely the improved Perturb ,Observe and Check algorithm and the particle swarm optimization algorithm .The theoretical analysis of these algorithms is conducted in this paper ,and the energy loss of these algo-rithms in the tracking process is also simulated under different shading conditions .The simulation re-sults indicate that their performance is different in energy loss in the tracking process .Under most multi-peak value conditions ,the particle swarm optimization algorithm has certain advantages in ener-gy loss in the tracking process .