An improved non-dominated sorting differential evolution algorithm is proposed to solve security constrained environment/economic dispatch problem. The conflicting fuel cost and pollutants emissions objective functions of the generation unit are optimized simultaneously. The selection operation is carried out by using the non-dominated sorting mechanism and the crowding distance measure. A self-adaptive mechanism on the control parameters is developed to improve the performance of the algorithm. The proposed algorithm is tested on the IEEE 30-bus system and is compared with non-dominated sorting genetic algorithm II (NSGA-II). The results obtained demonstrate the superiority of the proposed algorithm.%2012年11月15日,在青海德令哈华炜光电10MW光伏电站现场,中国电力科学研究院国家能源太阳能发电研发（实验）中心的检测人员正在随机抽取该电站中投运的光伏逆变器进行低电压穿越测试。第二天,测试结果出炉：追日电气EPC总包建设的华炜光电德令哈光伏电站以及追日电气自主研发的SPG-500k3TL光伏逆变器一次性通过低电压穿越及频率扰动测试。这表明,追日电气的大功率光伏逆变器产品顺利获得了
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