矿用电钻综合保护装置设计.doc
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- 用电 综合 保护装置 设计
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1、摘 要随着国家采煤技术的发展,对矿井设备供电的连续性、可靠性和安全性提出了越来越高的要求,因此对矿井煤电钻综合保护系统的研究具有重要的理论和应用价值。本文针对煤电钻综合保护技术在矿井煤电钻综合保护系统中的应用问题,提出了矿井煤电钻综合保护的控制技术和保护方法,并将其应用到井下煤电钻低压供电电网中,试验和运行结果表明所提出的保护方法正确、有效、实用。本文的主要设计内容如下:首先针对矿用电钻综合保护装置的意义及存在常见问题进行介绍和分析,指出了研究煤矿井下电钻综合保护装置的实际意义和价值。在回顾煤电钻综合保护装置的发展历史的基础上,结合电气设备的智能化、网络化的发展方向,提出了新型矿用电钻综合保护
2、装置的设计方案。根据我国井下煤电钻综合保护装置的实际情况,对煤电钻综合保护装置常见故障的电气特征进行理论上的分析,并参照相关标准提出了相应的保护原理和动作指标,重点解决了漏电保护、短路保护、过载保护和过负荷保护等长期困扰煤电钻可靠运行的问题。设计了硬件原理图验证了保护的可靠性和灵敏性。简单介绍利用单片机为主要控制单元,设计了一种新型煤电钻综合保护装置,根据电路取样信号,自动判断煤电钻漏电、短路和过载故障。关键词:煤电钻;综合装置;短路保护;漏电保护;过载保护ABSTRACTWith the development of the national coal mining technology,
3、power supply continuity, reliability and security of mine equipment put forward higher request,Therefore, the study of mine integrated protection system of the coal electric drill is important theoretical and application value.In this paper the comprehensive protection of the coal electric drill tec
4、hnology application in mine integrated protection system of the coal electric drill,Put forward the coal mine drilling and comprehensive control technology and protect method,And its application in underground low-voltage power grid of the coal electric drill,Test and running results show that the p
5、roposed protection method are correct, effective and practical. In this paper, the main design content is as follows:First in view of the mine electric drill integrated protection device and the significance of introduction and analysis on the common problems, points out the research of the coal min
6、e comprehensive protection device of electric drill practical significance and value. In reviewing the development history of integrated protection device of the coal electric drill, on the basis of combining the development direction of intelligent electrical equipment, network, puts forward the de
7、sign scheme of new type of mine electric drill integrated protection device. According to the actual situation of Chinas underground integrated protection device of the coal electric drill, the integrated protection device of the coal electric drill a theoretical analysis of common failures of elect
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