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220kV Tower and Rack with the Four-loop Project Construction and Implementation

Author: ChengShiQing
Tutor: QiuJiaJu；HuZuo
School: Zhejiang University
Course: Electrical Engineering
Keywords: With lever ( with the tower ) Line Bundled conductors Four loop Pipe Live working Ladder method Hard ladder method Gondola France Lightning Lightning rod Negative angle of protection Foundation Water ( pouring ) Temperature control Guide Anti- fall ( fall )
CLC: TM754
Type: Master's thesis
Year: 2009
Downloads: 28
Quote: 0
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Abstract


With the rapid growth of the national economy in recent years , the rapid increase in demand for electricity , to ensure safe and reliable operation of the premise, how to improve the transmission line corridors transmission capacity per unit of land , conservation land corridor to reduce the environmental impact of transmission lines , reduce construction investment, the tower structure is more reasonable , it has become a matter of concern line professionals . The main purpose of this study is to : ( 1 ) completion of 220kV same tower 2 × LHBJ-300 four-loop wire steel pole line and successfully put into operation , reducing the line corridor , saving land resources. ( 2 ) the completion of the 220kV same pole ( single column ) four steel rods and wires back and stand on the road to carry out live operations research and practice. ( 3 ) a comprehensive study of the 220kV back and stand with Quadruple Line ( full height 68m) lightning protection technology . ( 4 ) for the transmission lines used by large cubic capacity (282m3) basis , using a large volume of concrete pouring irrigation procedures and temperature control technology . ( 5 ) the preparation of a high pole (68m) Pagoda ( 102 tons ) of the lifting assembly and flange-mounted connectivity solutions . ( 6 ) for the first time in a single-column high pole four steel rod back and frame lines applied against falls from a height safety rail assembly . ( 7 ) for line in Yiwu airport runway in front of the actual situation , design and installation of the tower aviation safety warning signs . Construction of similar projects and thus provide a more practical and objective reference . This paper conducted a 220kV same tower 2 × LHBJ-300 four-loop wire steel pole line project construction and implementation of technology research, analysis , construction and implementation of the system involved in the process and practical experience in key technologies are introduced and explained . The first chapter describes the background and significance of the subject , the research aims and methods . The second chapter is 220kV same tower ( single column ) four back and frame steel pole Integrated Circuit Technology Research Technical Report , construction and implementation of the project focused on solving the 5 major technical problems of a more systematic elaboration . The third chapter focuses on the 220kV same tower ( single column ) four back and frame steel pole circuit design techniques . 220kV fourth chapter describes the same tower ( single column ) four back and frame steel pole line lightning calculation report . Chapter 5 of the same tower ( single column ) four back and frame steel pole line depth project development and application prospect .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Lines and towers > Tower construction, maintenance and mechanized construction
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