普宁电网电能质量分析及研究

发布时间：2018-05-31 01:25

本文选题：电能质量 + 电压畸变　；参考：《广东工业大学》2016年硕士论文

【摘要】：电能作为一种经济实用、清洁方便且容易传输、控制和转换的能源形式,己成为全世界经济发展及人民生活的必不可少的商品。随着社会的不断进步,现代科学技术和国民经济的蓬勃发展,电力系统的不断增大,电力负荷同样在急剧加大,特别是冲击性、非线性负荷的不断增多,使得电网发生电压畸变、电压波动、闪变和三相不平衡等电能质量问题。由于公用电网中各种干扰成分的增多,导致电能质量日益恶化。近年来,由于电能质量引发的事故和问题呈上升趋势,普宁地区也不例外,据95598(电力客服电话)统计,2014年普宁电网收到的客户投诉中,有一半以上是电能质量问题,因此加强电能质量的管理势在必行。本文主要开展以下三个方面的工作:1.分析推导电能质量问题对电网可能造成的影响,主要对电压偏差、电力谐波、三相不平衡及供电中断产生的原因及影响进行分析探讨。2.通过电压监测系统、调度自动化系统、计量自动化系统三个系统,提取普宁电网运行的实时数据,计算分析普宁电网存在的主要电能质量问题。3.结合普宁电网存在的电能质量问题,结合以往采取的整治措施,提出电能质量改善的优化方案。
[Abstract]:As an economic and practical, clean and convenient, easy to transfer, control and conversion of energy forms, has become the world's economic development and people's lives of an indispensable commodity. With the continuous progress of society, modern science and technology and the vigorous development of the national economy, the power system continues to increase, the power load is also increasing sharply, especially the impact, the increase of nonlinear load. It causes power quality problems such as voltage distortion, voltage fluctuation, flicker and three-phase imbalance. Due to the increase of various interference components in public power network, the power quality is deteriorating day by day. In recent years, due to the rising trend of accidents and problems caused by power quality, Puning area is no exception. According to 95598 (Power customer Service telephone) statistics, more than half of the customer complaints received by Puning Power Grid in 2014 are power quality problems. Therefore, it is imperative to strengthen the management of power quality. This article mainly carries out the following three aspects of work: 1. This paper analyzes and deduces the possible influence of power quality problems on power network, mainly analyzes the causes and effects of voltage deviation, power harmonic, three-phase imbalance and power supply interruption. Through three systems, voltage monitoring system, dispatching automation system and measurement automation system, the real-time data of Puning power grid operation are extracted, and the main power quality problems in Puning power network are calculated and analyzed. Combined with the problems of power quality in Puning power grid and the measures taken in the past, the optimization scheme of power quality improvement is put forward.
【学位授予单位】：广东工业大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TM711

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