毕业设计（论文）_110KV降压变电所电气一次部分及防雷保护设计

1、evaluation of scientific development. Nature security type-nature security is to maintenance people of health value for target, through strengthening security based management, and risk management, and equipment management and technology supervision, ensure production in the people, and real, and sy

2、stem, and system, elements security reliable, and harmony unified, full control various against factors, achieved thought no slack, and management no empty document, and equipment no hidden, and system no blocked, and unit zero non-stopped. Quality and efficiency-quality benefit is to adhere to the

3、enterprise survival, profit and development business truth, adhere to the all activity is economic activity, all costs can be controlled, money should not be wasted management philosophy, management analysis, to improve management quality, improve cost control capacity and market competitiveness. In

4、novation of science and technology-science and technology innovation is to play the role of science and technology as the primary productive force, active use of new technologies, new materials, new processes, new equipment, increase investment in science and technology, strengthening scientific and

5、 technological training, speeding up transforming scientific and technological achievements, forming a number of proprietary technology, enhancing core competitiveness. Resource-saving-the-resources saving enterprise was to reduce coal consumption, water consumption, electricity at the core, enhance

6、 the operation of lean management to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, financial, material, information and the optimization of organization and management, saving the internal transaction costs. Harmonious development of harmoni

7、ous development-is to construct a foreign environment for development. XING refers to the internal security firm and internal management of the internal management measures are effective, harmonious. Foreign currency means Enterprise coordinating development of homeopathy, well, get along with the n

8、eighbors better. (B) XX 2013 five enterprises building intrinsic safety power company goals are: unplanned outage 0 times. Class of disorders 0, 0 is equivalent forced outage rate. No personal injury accident, material and equipment accidents do not occur, no fire, no environmental pollution acciden

9、t. Enterprise integrated to achieve zero cases of violation, zero accidents, zero. Quality goal is: when generating capacity 7.5 billion-kilowatt, sales of over 7.11 billion kWh, total profits of 306.6 million Yuan, . BFS+、PI、MIS、SCM Information systems infrastructure, fully integrated information s

10、ystem to realize information resources sharing; to expand the breadth and depth of the portal system, information system of Enterprise Management Assistant role to play; to improve the day-to-day operation and maintenance operation record of promoting causes and transfer system; to strengthen the tr

11、ainingsupervision in large and medium goods vehicle. A is established large vehicles and small vehicles classification management of motor vehicle test mode, increased medium van car, and dangerous goods transport car, and school car test project; II is established motor vehicle test regulatory plat

12、form, achieved motor vehicle test full process video, and data remote regulatory; three is strictly motor vehicle identification management, equipped with unified of identification equipment and tool, using mobile identification Terminal, and law enforcement records instrument, technology identifica

13、tion means. As to 20XX years June 20 statewide motor vehicle keep volume for 567,408 car, and last year earlier than growth 75,814 car, growth 13.36%; this year January-June, vehicles management section and license archives management section total accepted the motor vehicle registration business 42

14、,543 car times, which registered registration 6,905 car times, and transfer registration 3,592 car times, and change registration 1033 car times, and mortgage registration 696 car times, and cancellation registration 187 car times, and into business 980 car times, and Archives corrections 81 pieces

15、times, and issued test qualified logo 25,429 car times, and other vehicles business 3,640 car times; supervision Survey Section relies on motor vehicle detection remote issued test qualified logo software platform supervision motor vehicle test, and identification situation 7418l liangci, investigat

16、ion motor vehicle exception business 30 car times, his pards business warning 244 article, vehicles and driving people sound video regulatory screenshots 1852 Zhang, checks motor vehicle archives 716 pieces times, and medium bus, and medium above truck, and Of hazardous chemicals, vehicles and schoo

17、l buses and other key vehicle inspection record of 420. (C) based on their own, and strict adherence to defense, more cheating, false false fugitive suspects, robbery suspect vehicles and the Internet crackdown. DMV full play to the first line of Defense position control, investigating cheating, fak

18、e identification and robbery suspect vehicles through operational work, and carefully examine the documents and legal proof, check traffic violations, traffic accidents, the fugitive suspect suspected vehicles and theft than to work, further tight car, driving management business formalities review

19、procedures. . Truck driver information management platform. Motor vehicles and traffic police departments, State transport authority to further clarify the Division of labour, implementation responsibility, strengthen our collaboration and management together, reinforcing the management of drivers o

20、n which strongly synthetic warfare and information warfare. 3 strictly implemented. From May 1 up, a is implemented complex road and bad weather driving exam, currently DMV is urged contractors party in treasures driving school increased simulation Highway, and continuous urgent detours, and snow da

21、ys, and wet sliding road, and burst situation disposal, subjects II field to driving exam project, is expected110KV 降压变电所电气一次部分及防雷保护设计摘 要随着现代文明的发展与进步，社会生产和生活对电能供应的质量和管理提出了越来越高的要求，作为电能传输与控制的中间枢纽，变电所必须改变传统的设计和控制模式，才能适应现代电力系统、现代化工业生产和社会生活的发展趋势，变电所是电力系统的一个重要组成部分，由电气设备及配电网络按一定的接线方式所构成，它从电力系统取得电能，通过其变换、分配

22、、输送与保护等功能，将电能安全、可靠、经济的输送到每一个用电场所首先进行负荷的分析计算和无功补偿，负荷计算采用需要系数法，接下来进行电气主接线的分析设计，根据变压器台数 2 台、110kV 侧采用单母线分段接线，35kV 侧采用单母线分段接线，根据主接线图确定选取三个短路点并采用标幺值法进行短路计算，计算出短路电流周期分量有效值、短路冲击电流最大值和有效值.二次回路方案的确定及继电器保护的选择和整定，防雷保护与接地装置的设计，在防雷设计部分中对于直击雷采用四根独立的避雷针，并计算出了避雷针的高度，对于感应雷采用氧化锌避雷器。关键词：主变压器；电气主接线；短路计算evaluation of sc

23、ientific development. Nature security type-nature security is to maintenance people of health value for target, through strengthening security based management, and risk management, and equipment management and technology supervision, ensure production in the people, and real, and system, and system

24、, elements security reliable, and harmony unified, full control various against factors, achieved thought no slack, and management no empty document, and equipment no hidden, and system no blocked, and unit zero non-stopped. Quality and efficiency-quality benefit is to adhere to the enterprise survi

25、val, profit and development business truth, adhere to the all activity is economic activity, all costs can be controlled, money should not be wasted management philosophy, management analysis, to improve management quality, improve cost control capacity and market competitiveness. Innovation of scie

26、nce and technology-science and technology innovation is to play the role of science and technology as the primary productive force, active use of new technologies, new materials, new processes, new equipment, increase investment in science and technology, strengthening scientific and technological t

27、raining, speeding up transforming scientific and technological achievements, forming a number of proprietary technology, enhancing core competitiveness. Resource-saving-the-resources saving enterprise was to reduce coal consumption, water consumption, electricity at the core, enhance the operation o

28、f lean management to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, financial, material, information and the optimization of organization and management, saving the internal transaction costs. Harmonious development of harmonious development-

29、is to construct a foreign environment for development. XING refers to the internal security firm and internal management of the internal management measures are effective, harmonious. Foreign currency means Enterprise coordinating development of homeopathy, well, get along with the neighbors better.

30、 (B) XX 2013 five enterprises building intrinsic safety power company goals are: unplanned outage 0 times. Class of disorders 0, 0 is equivalent forced outage rate. No personal injury accident, material and equipment accidents do not occur, no fire, no environmental pollution accident. Enterprise in

31、tegrated to achieve zero cases of violation, zero accidents, zero. Quality goal is: when generating capacity 7.5 billion-kilowatt, sales of over 7.11 billion kWh, total profits of 306.6 million Yuan, . BFS+、PI、MIS、SCM Information systems infrastructure, fully integrated information system to realize

32、 information resources sharing; to expand the breadth and depth of the portal system, information system of Enterprise Management Assistant role to play; to improve the day-to-day operation and maintenance operation record of promoting causes and transfer system; to strengthen the trainingsupervisio

33、n in large and medium goods vehicle. A is established large vehicles and small vehicles classification management of motor vehicle test mode, increased medium van car, and dangerous goods transport car, and school car test project; II is established motor vehicle test regulatory platform, achieved m

34、otor vehicle test full process video, and data remote regulatory; three is strictly motor vehicle identification management, equipped with unified of identification equipment and tool, using mobile identification Terminal, and law enforcement records instrument, technology identification means. As t

35、o 20XX years June 20 statewide motor vehicle keep volume for 567,408 car, and last year earlier than growth 75,814 car, growth 13.36%; this year January-June, vehicles management section and license archives management section total accepted the motor vehicle registration business 42,543 car times,

36、which registered registration 6,905 car times, and transfer registration 3,592 car times, and change registration 1033 car times, and mortgage registration 696 car times, and cancellation registration 187 car times, and into business 980 car times, and Archives corrections 81 pieces times, and issue

37、d test qualified logo 25,429 car times, and other vehicles business 3,640 car times; supervision Survey Section relies on motor vehicle detection remote issued test qualified logo software platform supervision motor vehicle test, and identification situation 7418l liangci, investigation motor vehicl

38、e exception business 30 car times, his pards business warning 244 article, vehicles and driving people sound video regulatory screenshots 1852 Zhang, checks motor vehicle archives 716 pieces times, and medium bus, and medium above truck, and Of hazardous chemicals, vehicles and school buses and othe

39、r key vehicle inspection record of 420. (C) based on their own, and strict adherence to defense, more cheating, false false fugitive suspects, robbery suspect vehicles and the Internet crackdown. DMV full play to the first line of Defense position control, investigating cheating, fake identification

40、 and robbery suspect vehicles through operational work, and carefully examine the documents and legal proof, check traffic violations, traffic accidents, the fugitive suspect suspected vehicles and theft than to work, further tight car, driving management business formalities review procedures. . Tr

41、uck driver information management platform. Motor vehicles and traffic police departments, State transport authority to further clarify the Division of labour, implementation responsibility, strengthen our collaboration and management together, reinforcing the management of drivers on which strongly

42、 synthetic warfare and information warfare. 3 strictly implemented. From May 1 up, a is implemented complex road and bad weather driving exam, currently DMV is urged contractors party in treasures driving school increased simulation Highway, and continuous urgent detours, and snow days, and wet slid

43、ing road, and burst situation disposal, subjects II field to driving exam project, is expectedBuck 110KV electrical substation and a part of the design of lightning protectionAbstractWith the development and progress of modern civilization, put forward higher request of social production and life to

44、 the quality of power supply and management, as a middle pivot of power transmission and control, must change the traditional design and control mode of substation, to adapt to the development trend of modern power system, the modernization of industrial production and social life, substation is an

45、important part of power system, the electrical equipment and distribution network at a certain wiring posed, it obtains the electric power from the electric power system, through its transformation, distribution, transportation and protection functions, the electricity safety, reliability, economy t

46、o each one electric field.First carries on the analysis computation load and non power compensation, load the required coefficient method, analysis and design the next main electrical wiring, according to transformer number 2, voltage grade, line 2 and line 6 back, side 110kV with the single bus, 35

47、kV side using the single bus, according to the main wiring diagram select three short points and the normalized value of short circuit calculation, calculate the periodic component of short-circuit current effective value, short-circuit current maximum value and the value. Two determine the circuit

48、scheme and selection of relay protection and setting, the design of lightning protection and earthing device, in part for the lightning protection design lightning strike by four independent lightning rod, for the Zinc Oxide induction lightning arrester, and calculate the lightning rod height.Key wo

49、rds：substation；transformer；main wiring；short circuit calculation 辽宁科技学院本科生毕业设计 第 III 页目 录1.绪论.11.1.变电所的发展情况.11.2.设计背景及主要内容.2环境条件.2电力系统情况.2设计任务.32.电气主接线的设计.42.1.电气主接线概述.42.2.在选择电气主接线时的依据.42.3.变电站主接线设计的基本要求.42.4.110KV侧主接线方案.52.5.35KV 侧主接线的设计.62.6.变电所主接线图.63.负荷计算及其无功补偿.73.1.负荷分析计算.73.2.35KV 侧负荷计算.73.3.

50、无功补偿.8无功补偿的概述.8无功补偿装置.8无功补偿的计算.8确定并联电容的个数.94.变压器的选择.104.1.变压器的概述.104.2.变压器台数和容量的确定原则.104.3.变压器的形式和结构的选择原则.115.短路电流的计算.135.1.短路电流计算的目的.135.2.短路电流计算的一般规定.13evaluation of scientific development. Nature security type-nature security is to maintenance people of health value for target, through strengthen

51、ing security based management, and risk management, and equipment management and technology supervision, ensure production in the people, and real, and system, and system, elements security reliable, and harmony unified, full control various against factors, achieved thought no slack, and management

52、 no empty document, and equipment no hidden, and system no blocked, and unit zero non-stopped. Quality and efficiency-quality benefit is to adhere to the enterprise survival, profit and development business truth, adhere to the all activity is economic activity, all costs can be controlled, money sh

53、ould not be wasted management philosophy, management analysis, to improve management quality, improve cost control capacity and market competitiveness. Innovation of science and technology-science and technology innovation is to play the role of science and technology as the primary productive force

54、, active use of new technologies, new materials, new processes, new equipment, increase investment in science and technology, strengthening scientific and technological training, speeding up transforming scientific and technological achievements, forming a number of proprietary technology, enhancing

55、 core competitiveness. Resource-saving-the-resources saving enterprise was to reduce coal consumption, water consumption, electricity at the core, enhance the operation of lean management to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, fina

56、ncial, material, information and the optimization of organization and management, saving the internal transaction costs. Harmonious development of harmonious development-is to construct a foreign environment for development. XING refers to the internal security firm and internal management of the in

57、ternal management measures are effective, harmonious. Foreign currency means Enterprise coordinating development of homeopathy, well, get along with the neighbors better. (B) XX 2013 five enterprises building intrinsic safety power company goals are: unplanned outage 0 times. Class of disorders 0, 0

58、 is equivalent forced outage rate. No personal injury accident, material and equipment accidents do not occur, no fire, no environmental pollution accident. Enterprise integrated to achieve zero cases of violation, zero accidents, zero. Quality goal is: when generating capacity 7.5 billion-kilowatt,

59、 sales of over 7.11 billion kWh, total profits of 306.6 million Yuan, . BFS+、PI、MIS、SCM Information systems infrastructure, fully integrated information system to realize information resources sharing; to expand the breadth and depth of the portal system, information system of Enterprise Management

60、Assistant role to play; to improve the day-to-day operation and maintenance operation record of promoting causes and transfer system; to strengthen the trainingsupervision in large and medium goods vehicle. A is established large vehicles and small vehicles classification management of motor vehicle