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宁海县供电局2011年配网建设实施计划研究

Research on the Implementation Planning of Distribution Network Construction of Ninghai Power Supply Bureau in 2011

【作者】 彭家从

【导师】 周浩; 朱永利;

【作者基本信息】 浙江大学 , 电气工程, 2011, 硕士

【摘要】 根据宁海县2009年的经济发展状况和配网现状,采用增长率法、回归分析法、灰色系统法分别进行2011年的电力需求预测,并用电力弹性系数法及综合产值单耗法进行结果校验,从而判断预测结果是否符合宁海县的实际发展情况。根据2011年的电力需求预测情况,针对宁海县现状电网存在的问题,以“安全、经济、可靠”为基本原则,以完善电网结构、提高供电可靠性、取得良好的经济效益为目标,分别对高压电网(重点110kV电网)在变电站规划、设备选用原则、电网结构方面,对中压配网在设备选用原则、电网结构方面,作了一些详细的规划说明,并对无功补偿、中性点接地、短路电流控制及电能质量方面作了一些说明。在智能电网规划上,按照“经济实用、技术先进,因地制宜、分步实施,统筹兼顾”的原则,以构建“联络紧密、布点适度、结构合理、运行灵活”的坚强配电网为基础,以“信息化、自动化、互动化”为特征,建设“坚强可靠、经济高效、清洁环保、透明开放、友好互动”的坚强智能配电网。根据规划安排,对宁海县供电局2011年配网项目的可行性进行了分析论证,并对投资规模作出静态估算。根据用电需求的增长情况,提出一些相关的建议,以便宁海县供电局2011年配网项目能够得以顺利的实施。

【Abstract】 Based on the development of economy and present distribution network of Ninghai County in 2009,verify the load forecasting result of 2011, which is derived from growth rate method、regression analysis method and grey system method respectively, using power elastic coefficient and integrated output unit consumption method to judge whether the result accord with the actual development of Ninghai County. According to the 2011 load forecasting, the problem in current distribution network of Ninghai County and the principle of safe, economy, reliability, illustrate the programming of high (especially 110kV) and medium voltage distribution network, such as substation planning, equipment choosing and network structure, and reactive power compensation, short circuit current control, power quality and so on in detail to the aim of improving network structure, power supply reliability and more economic benefit. According to the principle of economical and practical, advanced technology, adaptation to local conditions, overall consideration and implement step by step, build reliable, economic, efficient, clean, environmental protection, open, friendly interaction and strong smart grid with the characteristic of information, automation and interaction, based on the close connection, appropriate distribution, reasonable structure, flexible operation and strong distribution network.In the light of programming, the feasibility on distribution network of Ninghai Power Supply Bureau in 2011 is analyzed and the static investment is also estimated and further more the suggestion about the distribution network of Ninghai Power Supply Bureau is proposed in this paper.

  • 【网络出版投稿人】 浙江大学
  • 【网络出版年期】2012年 07期
  • 【分类号】TM715
  • 【被引频次】2
  • 【下载频次】82
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