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Zhigang Liu

Detection and Estimation Research of High‐speed Railway Catenary

Advances in High-speed Rail Technology

More information about this series at http://www.springer.com/series/13506

Zhigang Liu

Detection and Estimation Research of High-speed Railway Catenary

123

Zhigang Liu School of Electrical Engineering Southwest Jiaotong University Chengdu China

ISSN 2363-5010 ISSN 2363-5029 (electronic) Advances in High-speed Rail Technology ISBN 978-981-10-2752-9 ISBN 978-981-10-2753-6 (eBook) DOI 10.1007/978-981-10-2753-6 Library of Congress Control Number: 2016953286 © Springer Nature Singapore Pte Ltd. 2017 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper This Springer imprint is published by Springer Nature The registered company is Springer Nature Singapore Pte Ltd. The registered company address is: 152 Beach Road, #22-06/08 Gateway East, Singapore 189721, Singapore

Foreword

Since high-speed railway that generally adopts electric traction has many advantages such as fast speed, high efficiency, energy saving, environmental friendly, ensured safety and comfort, etc., it has become the main development trend of the world’s rail transit. In 2015, the total mileage of China’s high-speed railway has exceeded 19,000 km, and China has the world’s largest high-speed railway network. It is known that pantograph-catenary system is the only way for trains to obtain a stable power supply. When the train is running at high speed, the electric power can be obtained by the sliding contact between the pantograph and the catenary. So, the favorable interactive characteristic of the pantograph-catenary system is the basic requirement of current collection. In the actual operation, the bad condition of catenary will directly influence the train’s safe operation in high-speed railway. Therefore, the “Technical requirements of high-speed railway power supply safety detection and monitor system” is published by the Railway Ministry of China in 2012. Howeve