风电场升压站供暖方案比选

Comparison and Selection of Wind Farm Substation Heat Supply Plans

针对风电场升压站的运行环境要求,结合具体工程实例,从降低投资和年运行费用的角度对地源热泵、电加热供暖等热源方案进行研究,采用费用年值法对供暖方式进行经济性比较,通过差额投资回收期计算收回差额投资所需要的期限.地源热泵系统的初始工程投资最高,但年运行费用最低,相比电锅炉供暖十分体空调制冷方式和电暖器供暖十分体空调制冷方式所高出的工程投资部分,可以通过节省的年运行费用来收回,收回期限为2.2～3.6年.在需要同时解决冬季供暖和夏季制冷的升压站中,应优先采用地埋管地源热泵系统.

According to the operation environment requirement on wind farm substation, combined with certain project examples, with the consideration of reducing investment and annual operation cost, cold and heat source plans including ground source heat pump, electric power heat supply have been compared. Economic comparison has been carried out among heat supply methods by annual value method. Incremental investment recovery period has also been calculated. The initial investment of ground source heat pump project is the highest and the annual operation cost is the lowest. Compared with the electric boiler heating ＋ split air conditioner cooling ＋electric heating, the higher amount of cost of ground sourer heat pump plan could be recovered by the saved annual operation cost. The recovery period is 2.2 to 3.6 years.