In the past impressed current systems utilized offshore for retrofit purposes have experienced problems related to current distribution, reliability and service life. This paper describes improvements made in the design method, materials of construction and installation procedure for retrofit tensioned anode strings to provide an impressed current system which can be installed and operated offshore with some confidence.

Subject
Steel structures, Water, Anode potential, Offshore structures, Installation, Impressed current anodes, Rectifiers, Anodic current, Impressed current, Polarization, Electrodes, Electrode potential, Anodes
Keywords:
cathodic protection, retrofit, impressed current offshore, tensioned anode string, mixed metal oxide anode, remote anode
© 1997 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1997
Association for Materials Protection and Performance (AMPP)
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