Fluctuation Analysis of a Hybrid Natural Energy Generation System of Multiple Small Wind Turbines and a Small Solar Panel

多台小型风力发电机和小型太阳能电池板混合自然能源发电系统的波动分析

• 批准号: 05452155
• 负责人: NAGAI Minoru
• 金额: $ 3.9万
• 依托单位: University of the Ryukyus
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (B)
• 财政年份: 1993
• 资助国家: 日本
• 起止时间: 1993 至 1994
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05452155/
• 关键词: Natural energy; Wind turbine generator; Photovoltaic power; Power fluctuation; System connection; Frequency analysis; Hybrid system of power generator; Mutual interference of fluctuation; 風力発電; 変動スペクトル

(1) A small experimental wind farm consisting of three 2.7m diameter 1kW horizontal wind turbine generators (WTG) was constructed at top of a building of the Faculty of Engineering, University of the Ryukyus, and examined their performances and the characteristics of output fluctuation about a year. As the result, it is cleared that the fluctuation of small WTG is almost independent to each other becaouse of their structural reason. Therefore, fluctuation ratio of the summed up output of the wind farm was confirmed to be smaller than that of the individual WTG output.(2) A 800W photovoltaic power panel was introduced to the above mentioned wind farm and investigated its fluctuation and the effect on the farm system. The fluctuation of the solar panel showed the higher components that the WTG in the higher frequency region than about 2.0Hz, and the lower components in the lower frequency region. So that it was cleared that the hybrid system of the different power generator also has the effect to reduce the total fluctuation ratio.(3) As a proposal of new small WTG,4.0m diameter 3kW and variable pitch WTG has been designed. The characteristics of the machine are the variable pitch with stepping motor, worm gearing system drive and micro computer control.Up to about 10m diameter WTG,we have planned to introduce this new system and to offer the stable and maintenance easy small wind turbine generators.

(1)在琉球大学工学部大楼的顶部建造了一个小型实验风力发电场，由三台直径为2.7 m的1 kW水平风力涡轮机发电机（WTG）组成，并检查了它们的性能和大约一年的输出波动特性。结果表明，由于结构上的原因，小型风力发电机组的波动几乎是相互独立的。因此，风力发电场的总输出的波动率被确认为小于单个WTG输出的波动率。(2)将一台800 W光伏发电板引入上述风电场，并研究了其波动及其对风电场系统的影响。太阳能电池板的波动表现出较高的成分，WTG在较高的频率区域比约2.0Hz，和较低的成分在较低的频率区域。因此，它是明确的，不同的发电机的混合系统也有效果，以减少总的波动率。(3)作为新型小型风力发电机的设计方案，设计了直径4.0m、功率3kW的变桨距风力发电机。该机器的特点是步进电机变桨距，蜗轮蜗杆传动系统驱动和微电脑控制。直径约10米的风力发电机，我们计划引进这种新系统，并提供稳定和易于维护的小型风力涡轮机发电机。

项目成果

永井,他2名: "5万KW規模発送電電力系統への風力発電システムの浸透可能性について" 日本機械学会講演論文集. 948-2. 158-161 (1994)

Nagai 等 2 人：“将风力发电系统渗透到 50,000 kW 规模的输电和输电系统中的可能性”，日本机械工程师学会会议记录 948-2（1994 年）。

Nagai, M.et al: "Penetration of Wind Turbine Generator into a 50MW Class Diesel Power Electric Line System (In Japanese)" Proc.JSME Meeting. 948-2. 158-161 (1994)

Nagai, M.et al：“风力涡轮发电机融入 50MW 级柴油电力线路系统（日语）”Proc.JSME 会议。

Nagai, M.: "Capability of Wind Energy in East China Sea Aria" Proc.Beijing International Conference on Wind Energy. (1995)

Nagai, M.：“东海咏叹调的风能能力”，北京国际风能会议。

Nagai, M.: "Capability of Wind Turbine Generator systems in Japan (In Japanese)" Text for the 14th New Energy Industrial Symposium, New Energy Foundation (Japan). 16-30 (1994)

Nagai, M.：“日本风力涡轮发电机系统的能力（日语）”第 14 届新能源工业研讨会文本，新能源基金会（日本）。

永井 他2名: "5万kW規模発送電電力系統の風力発電システムの浸透可能性について" 日本機械学会講演論文集. 948-2. 158-161 (1994)

Nagai 等人 2：“将风力发电系统渗透到 50,000 kW 规模的电力传输和输电系统中”，日本机械工程师学会会议记录 948-161（1994 年）。