Power Systems H.M. Hashemian Maintenance of Process Instrumentation in Nuclear Power Plants H. M. Hashemian Maintenance of Process Instrumentation in Nuclear Power Plants With 131 Figures H.M. Hashemian Analysis and Measurement Services Corporation, AMS Cross Park Drive 9111 37923 Knoxville, TN USA
[email protected] Library of Congress Control Number: 2006926431 ISBN-10 3-540-33703-2 Springer Berlin Heidelberg New York ISBN-13 978-3-540-33703-4 Springer Berlin Heidelberg New York This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in other ways, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under German Copyright Law. Springer is a part of Springer Science+Business Media springer.com © Springer-Verlag Berlin Heidelberg 2006 Printed in Germany The use of general descriptive names, registered names, trademarks, 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. Typesetting: digital data supplied by author Final processing: PTP-Berlin Protago-TEX-Production GmbH, Berlin (www.ptp-berlin.com) Cover-Design: deblik, Berlin Printed on acid-free paper 62/3141/Yu – 5 4 3 2 1 0 This book is dedicated to my wonderful daughter, Nikki Hashemian. H.M. Hashemian Knoxville, Tennessee USA Preface This book is written for the instrumentation and control engineers, technicians, and managers in nuclear power plants. It focuses on process temperature and pressure sensors and the verification of these sensors’ calibration and response time. It also provides examples of typical problems and solutions with temperature and pressure measurements in nuclear power plants. Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Reference Plant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 On-Line Monitoring of Process Instruments Calibration . . . . . . . . . . 1.3 Dynamic Testing of Pressure Transmitters and Sensing Lines . . . . . . 1.4 On-Line Detection of Venturi Fouling . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 Measuring the Vibration of Reactor Internals . . . . . . . . . . . . . . . . . . . . 1.6 Detecting Core Flow Anomalies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 CANDU Reactor Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 In-Situ Response-Time Testing of Temperature Sensors . . . . . . . . . . . 1.9 Testing Cables In-Situ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.10 Automated Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 3 3 6 8 10 1