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風力發電機与地面的高度取决于哪些因素?
发表日期:2022-03-28
浏览次数:
2033
風力發電機与地面的高度取决于许多因素。就捕风而言,風力發電機位于大气对流层底部,即远离地面的地表摩擦力较小,空气流动性较好,即风速越高,捕风能力越强。

因此,从理论上讲,風力發電機离地面的高度越高越好,但事实上,应考虑塔架增加的生产本錢和发电量。一般来说,风轮直径与塔架高度相似,即塔架高度是单叶长度的两倍。
有时,縱然同一机组位于差別的位置,塔的平均高度也会有所差別,如潮湿带、山顶、山谷出风口,部分地区,如草原,隔鄰,虽然开放,平均风速不是很高,差別高度的风速明显差別,在合理的整体经济效益下使用较高的塔。
別的,还应结合客户的要求。事实上,从上述机组数据中也可以看出,虽然有几个差別的塔,但塔的直径相同,即在大多数情况下切合经济效益。具体的风场位置,机组的功率,塔应该切合经济效益,或通过理论和实践的结合。
一般来说,制造商不可能在某个地方制造一个合适高度的塔,因此一般有几个差別高度的塔,以满足差別工况下風力發電機的使用要求。