基于单片机的电网基本参数测量.docx

存档日期：存档编号：本科生毕业设计（论文）论 文 题 目：基于单片机的电网基本参量测量系统设计姓系专名：别：业：年 级、学 号：指 导 教 师：摘 要近些年来，随着科学技术的发展和社会生活的进步与需要，电力系统中电能质量在工业生产中日益重要。所以，对电网参数进行及时有效的分析和检测是十分必要的。建立监测和分析电能质量各项指标的系统，可以提高电能的质量，并且可以及时地检测、更新电网中的各项指标。目前市场上有两类电能质量测试装置，一种是功能简单价格低廉，但是不能高效地检测电能质量参数。另一种测试装置功能齐全但是价格偏高，故市场上并不普及。因此，本次毕业设计就是想要克服上述两种装置的弊端，所设计的电能参数测量系统既性能优良、又满足市场需求。本次设计基于电能质量的概念，从硬件、软件这两方面来设计，以 51单片机为核心对电网参数进行测量、以及设计报警电路、保护电路。主要包括的内容：结合 51 单片机的特点进行信号采集、模数转换、数据处理和显示等模块的软硬件功能设计与实现。利用传感器模块对电网的参数进行测量，在显示电路给出电压、电流的测量原理。对电参数的测量采纳数字信号处理技术，在系统性、及时性、精确性方面有着巨大的优势。关键词：电网参数 单片机 电能质量 数据显示IAbstractFollow the fast evolution of national economy and high standard ofliving on power system higher and higher requirement for quality ofpower energy and industrial production. So, in real-time detection andanalysis of power parameter has important significance. In ordercomplete the power quality, the first to establish the indicators of thepower quality monitoring and analysis system, real time update of dataacquisition and measurement of various index in power system.On the market use of energy quality teaching Installation is dividedinto two categories, general users is good to find it difficult to as accept.Another is that cheap but simple function, could not fully rash the variouskilometers of quality of electric energy. So, this design is to design afull-featured, suitable for the market demand of power parametermeasurement system.In this paper, on the basis of discussing the concept of quality ofelectric energy, introduced the research of power parameter system with51 microcontroller as the core of the hardware design, software design.They are mainly as follows: The software and hardware design with thecharacteristics of the 51 single chip microcomputer for power distribution,digital coversion, data module. The parameters were measured usinginstrument transformer chip module on the grid, the principle o