The world of 2017 is one marked by turbulence and chaos. In assessing the international situation over the pastyear, much can be revealed by starting with two international conferences.
A staff member adjusts the vol.ume of Fertilizers for vegetabLes in a greenhouse through an all-in-one machine for watering,power suppty and Fertilizing in Haimen,east China's Jiangsu Province,on December 4.Eco-fi...A staff member adjusts the vol.ume of Fertilizers for vegetabLes in a greenhouse through an all-in-one machine for watering,power suppty and Fertilizing in Haimen,east China's Jiangsu Province,on December 4.Eco-fiendly,highefficiency agricutture has become a new engine for the tocal growth.展开更多
综合能源系统(integrated energy system,IES)以多能互补和能量阶梯利用为核心,将大大提高系统的能量利用率,实现多种能流互补优化。通过建立冷-热-电综合能源系统,以系统总运行成本最低为目标函数,考虑设备模型约束和功率平衡约束,采...综合能源系统(integrated energy system,IES)以多能互补和能量阶梯利用为核心,将大大提高系统的能量利用率,实现多种能流互补优化。通过建立冷-热-电综合能源系统,以系统总运行成本最低为目标函数,考虑设备模型约束和功率平衡约束,采用日前负荷模拟综合能源系统经济优化运行;同时考虑到系统在冬、夏季运行工况差异较大,采用分季调节运行模式,利用分支界定(branch and bound,B-a-B)算法求解优化模型。仿真结果表明,系统能量供给平衡,“源-荷-储”互补搭配性强,系统运行灵活、经济高效,同时,系统污染气体排放量少,有利于环境保护。展开更多
文摘The world of 2017 is one marked by turbulence and chaos. In assessing the international situation over the pastyear, much can be revealed by starting with two international conferences.
文摘A staff member adjusts the vol.ume of Fertilizers for vegetabLes in a greenhouse through an all-in-one machine for watering,power suppty and Fertilizing in Haimen,east China's Jiangsu Province,on December 4.Eco-fiendly,highefficiency agricutture has become a new engine for the tocal growth.
文摘综合能源系统(integrated energy system,IES)以多能互补和能量阶梯利用为核心,将大大提高系统的能量利用率,实现多种能流互补优化。通过建立冷-热-电综合能源系统,以系统总运行成本最低为目标函数,考虑设备模型约束和功率平衡约束,采用日前负荷模拟综合能源系统经济优化运行;同时考虑到系统在冬、夏季运行工况差异较大,采用分季调节运行模式,利用分支界定(branch and bound,B-a-B)算法求解优化模型。仿真结果表明,系统能量供给平衡,“源-荷-储”互补搭配性强,系统运行灵活、经济高效,同时,系统污染气体排放量少,有利于环境保护。