Based on the extended Huygens-Fresnel integral, analytical propagation expressions for the rms beam width and angular of partially coherent elegant Hermite cosh Caussian beam (EHChCB) in non-Kolmogorov turbulence ar...Based on the extended Huygens-Fresnel integral, analytical propagation expressions for the rms beam width and angular of partially coherent elegant Hermite cosh Caussian beam (EHChCB) in non-Kolmogorov turbulence are derived. The effects of exponent value, inner and outer scales of non-Kolmogorov turbulence on partially coherent EFIChGB are investigated quantitatively.展开更多
近年来,太阳能发电因其清洁环保等优点展现出巨大的发展潜力。但由于自然环境等因素影响,光伏发电的输出功率极不稳定,极大影响了电网稳定性和可靠性。因此,本文提出一种基于多电池组SOC一致性的光伏功率波动平抑策略,通过调节储能输出...近年来,太阳能发电因其清洁环保等优点展现出巨大的发展潜力。但由于自然环境等因素影响,光伏发电的输出功率极不稳定,极大影响了电网稳定性和可靠性。因此,本文提出一种基于多电池组SOC一致性的光伏功率波动平抑策略,通过调节储能输出功率补偿光伏输出功率超出短期波动率的波动分量,并在补偿过程中以各储能电池荷电状态(state of charge,SOC)差异最小为优化目标,以各电池组充放电状态切换情况及功率分配大小为优化变量,在不削弱补偿效果的前提下,逐渐缩小各电池组的SOC差异,并改善电池组充放电状态的频繁切换情况。最后采用Matlab软件搭建平抑策略仿真平台进行实验,结果表明本文所提策略能够实现预期目标。展开更多
基金Supported by the National Basic Research Program of China under Grant No 2015CB921000the Fundamental Research Funds of Shandong University under Grant No 2014TB018
文摘Based on the extended Huygens-Fresnel integral, analytical propagation expressions for the rms beam width and angular of partially coherent elegant Hermite cosh Caussian beam (EHChCB) in non-Kolmogorov turbulence are derived. The effects of exponent value, inner and outer scales of non-Kolmogorov turbulence on partially coherent EFIChGB are investigated quantitatively.
文摘近年来,太阳能发电因其清洁环保等优点展现出巨大的发展潜力。但由于自然环境等因素影响,光伏发电的输出功率极不稳定,极大影响了电网稳定性和可靠性。因此,本文提出一种基于多电池组SOC一致性的光伏功率波动平抑策略,通过调节储能输出功率补偿光伏输出功率超出短期波动率的波动分量,并在补偿过程中以各储能电池荷电状态(state of charge,SOC)差异最小为优化目标,以各电池组充放电状态切换情况及功率分配大小为优化变量,在不削弱补偿效果的前提下,逐渐缩小各电池组的SOC差异,并改善电池组充放电状态的频繁切换情况。最后采用Matlab软件搭建平抑策略仿真平台进行实验,结果表明本文所提策略能够实现预期目标。