含大规模海上风电接入的海南省电源规划研究

发布时间：2018-04-30 06:41

本文选题：海上风电 + 永磁直驱风电机组　；参考：《华南理工大学》2014年硕士论文

【摘要】：随着我国风电装机容量的快速增长，风电接入对于电网的影响也日益突出，，风电接入容量会受到既有电网结构与电源组成的约束，改善电网的电源结构有利于提高电网内风力发电的允许接入比例。海南省电源结构以煤电为主，在定位于建设国际生态旅游岛之后节能减排压力较大，但是由于其地理位置较为特殊而海上风电资源开发潜力巨大。研究海南省现有电网风电消纳能力，并基于海上风电发展研究研究海南省的未来的电源发展规划，对建设海南省国际生态旅游岛具有较大意义。论文的主要工作如下： 1.基于已有的数值天气预报NWP的风速信息研究了规划中海上风电场的风资源情况，并在此基础上通过风电出力模拟的方法研究了规划中海上风电场的出力特性，重点给出了海南省规划风电场出力的分布特性、反调峰特性以及波动特性。 2.论文根据永磁直驱风电机组的工作原理与控制策略建立了基于同步旋转坐标系的风电机组的数学模型，利用EMTDC/PSCAD仿真软件搭建了永磁直驱风电系统的数学模型；在此基础上利用时域仿真方式研究了海上风电的规模接入对于海南省较为薄弱的北部电网静态和暂态电压稳定性的影响。 3.从理论上分析了风电接入对于电网频率稳定性的影响，特别是考虑到基于永磁直驱风电机组的海上风电场缺乏惯性和频率响应能力，研究了风电渗透率的增加对于电网动态频率特性以及电网旋转备用需求的影响。 4.结合海南省的电源发展要求，给出了海南省未来电源发展的思路以及电源规划的主要目标。并利用基于序贯蒙特卡洛模拟的随机生产模拟方法研究了在给定的电源结构与风电容量规划下抽蓄电站等调节电源装机容量规划的一般方法，并结合海南省已有的电源发展规划，给出了到海南省“十三五”期间海上风电及抽水蓄能电站的容量规划以及相应的建设进度建议。本文紧扣海南省海上风电发展的两个主要问题：风电接入的影响以及风电接入后调节电源的协调规划问题进行研究，取得了一些初步成果，具有一定的现实意义。
[Abstract]:With the rapid growth of wind power installed capacity in China, the influence of wind power access on the power network is becoming increasingly prominent, and the wind power access capacity will be constrained by the existing grid structure and power supply composition. Improving the power supply structure is beneficial to increase the allowable access ratio of wind power generation in the power grid. The power supply structure of Hainan Province is dominated by coal and electricity, and the pressure of energy saving and emission reduction is great after the construction of international eco-tourism island. However, because of its special geographical location, offshore wind power resources development has great potential. It is of great significance for the construction of international eco-tourism island in Hainan Province to study the wind power absorption capacity of the existing power grid in Hainan Province and the future power supply development planning of Hainan Province based on the offshore wind power development research. The main work of the thesis is as follows: 1. Based on the wind speed information of the existing numerical weather forecast (NWP), the wind resources of the offshore wind farm in the planning are studied, and the wind power generation characteristics of the offshore wind farm in the planning are studied by the wind power generation simulation method. The distribution characteristics of wind farm output, the characteristics of backpeak-shaving and fluctuation of wind farm in Hainan Province are emphatically given. 2. According to the working principle and control strategy of permanent magnet direct drive wind turbine, the mathematical model of wind turbine based on synchronous rotating coordinate system is established in this paper, and the mathematical model of permanent magnet direct drive wind power system is built by using EMTDC/PSCAD simulation software. Based on this, the influence of the scale access of offshore wind power on the static and transient voltage stability of the weak northern power grid in Hainan Province is studied by time-domain simulation. 3. The influence of wind power access on power grid frequency stability is analyzed theoretically, especially considering the lack of inertia and frequency response of offshore wind farm based on permanent magnet direct drive wind turbine. The influence of the increase of wind power permeability on the dynamic frequency characteristics of power grid and the demand of power grid rotation reserve is studied. 4. According to the requirements of power supply development in Hainan province, the ideas of future power supply development and the main goals of power supply planning in Hainan Province are given. Using the stochastic production simulation method based on sequential Monte Carlo simulation, a general method for planning the installed capacity of the regulating power sources such as the pumped storage power station under the given power supply structure and wind power capacity planning is studied. Combined with the existing power source development plan in Hainan Province, the capacity planning of offshore wind power and pumped storage power stations and corresponding construction progress suggestions are given during the 13th Five-Year Plan period in Hainan Province. This paper focuses on the two main problems of offshore wind power development in Hainan Province: the influence of wind power access and the coordinated planning of regulating power supply after wind power access. Some preliminary results have been obtained and have certain practical significance.
【学位授予单位】：华南理工大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM614

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