Thermo-Mechanical Solar Power Plants Solar Energy R&D in the European Community Series B: Thermo-Mechanical Solar Power Plants Volume2 Solar Energy R&D in the European Community Series B Volume2 Thermo-Mechanical Solar Power Plants Proceedings of the Second International Workshop on the Design, Construction and Operation of Solar Central Receiver Projects, Varese, Italy, 4-8 June, 1984 edited by J. GRETZ Commission of the European Communities, Ispra, Italy A.S. STRUB Commission of the European Communities, Brussels, Belgium and A.SKINROOD Sandia National Laboratories, Livermore, California, U.5.A. Springer-Science+Business Media, B.V. library of Congress Cataloging in Publication Data International Workshop on the Design, Construction, and Operation of Solar Central Receiver Projects (2nd: 1984: Varese, Italy) Proceedings of the Second International Workshop on the Design, Construction, and Operation of Solar Central Receiver Projects, Varese (ltaly), 4-8 June 1984. (Solar Energy R&D in the European Community. Series B, Thermo-mechanical solar power plants; v. 2) Inc1udes index. 1. Solar power plants-Congresses. I. Gretz, 1. 11. Strub, A. 111. Skinrood, A. IV. Commission of the European Communities. V. Title. VI. Series: Solar energy R&D in the European Community. Series B, Thermo-mechanical solar power plants; v. 2. TKI056.159 1984 621.31'244 85-8356 ISBN 978-94-010-8885-5 ISBN 978-94-009-5402-1 (eBook) DOI 10.1007/978-94-009-5402-1 Organization of the Workshop by Commission of the European Communities Directorate-General Science, Research and Development, Brussels Publication arrangements by Commission of the European Communities Directorate-General Information Market and Innovation, Luxembourg EUR 9766 © 1985 Springer Science+Business Media Dordrecht Originally published by ECSC, EEC, EAEC, Brussels and Luxembourg in 1985 Softcover reprint of the hardcover 1st edition 1985 LEGAL NOTICE Neither the Commission of the European Communities nor any person acting on behalf of the Commission is responsible for the use which mightbe made of the following information. All Rights Reserved No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, inc1uding photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner. PREFACE In this book, the Commission of the European Communities presents the proceedings of the Workshop on Solar Central Receiver Projects, held in Varese, I taly , in June 1984. This Workshop was supported by all operators of solar tower power plants around the world and, as a result, these proceedings provide a comprehensive overview of the technology in its current state of development. The Workshop was organized by the Commission of the European Communities in the frame of the second solar energy R&D programme under the responsibility of its Di rectorate-General (X 11) for Science, Research and Development in Brussels. The meeting place, Varese, in Italy, was selected because of its neighbourhood to the Ispra Establishment of the Commission's Joint Research Centre who cooperated in the organization of the Workshop. Solar power plants of the central receiving type have two conflicting characteristics: they employ very simple and classical components but as a system they are of tremendous complexity. It was the hope for rapid progress by using available components that guided the decisions taken in the late seventies to build six large experimental plants: four in Europe, one in Japan and one in the United States. At that time, this technology enjoyed high priority in solar energy R&D around the world. Once the plants were completed, however, it became clear that the technical complexity combined with difficult meteorological conditions at most construction sites made the yields less favourable than anticipated. As a consequence the economic outlook became questionable, in particular for the smaller plants. The larger plants, on the other hand, still have the drawback that the required funding fcr one single plant is so high that it is difficult to raise from the capital market. -v- As a sponsor of the central receiver plant EURELlOS, the Commission of the European Communities took the initiative for this workshop in order to review the state of the art and enlarge the basis on which to build its own strategy. Before making further investments on EURELlOS, it was feit that a comprehensive appraisal of the technology was necessary taking into account the experience gained with other plants of this type. Eventually, the Commission was very satisfied with the outcome of the Workshop. The experience put forward by the plant operators shows that the problems encountered are inherent to the technology in general and not to a particular plant. It is important to note that the engineering work was excellent for all plants and a comprehensive record of experience has been collected. This is true tp the extent that most of the necessary knowledge to build such plants is now available and weil recorded for the case where economic conditions may become more favourable. It was remarkable to see the enthusiasm of all the people attending the workshop and the spirit of international cooperation. The success of the workshop is also due to the effort of its Chairman, Dr. Gretz, to whom I would like to express he re my sincere appreciation. Dr. W. Palz Head of the Commission's Solar Energy R&D Programme - vi- CONTENTS Preface v CJ:lmiIDG SESSICN WOrkshop introduction J. GRETZ, C'..cmnission of the European Comiunities, Joint Research Centre, Ispra, ltaly 3 Welcane speech G.R. BISHOP, Comiission of the European Oommunities, Director of the Joint Research Centre, Ispra, ltaly 4 Keynote speech A. STRUB, Comiission of the European Comiunities, Directorate General for Science, Research and Developnent, Brussels, B e l g i u m 5 SESSICN I - PART 1 : PRESENl'ATICN CN '!'HE GmERAL ~ OF <D1TRAL RI!X!EIVER PCMER. PIANTS Summary of the Session by the Rapporteur F. PHARABOD, THEMIS, CNRS, France 8 Technical aspects of the EURELIOS plant operation C. CORVI, ENEL-OOR, Rana.; G. DINELLI, ENEL-CRIN, Pisa, Italy 10 Central receiver solar p::>Wer plant of the lEA.jSSPS project - Summary of results and experiences after three years of testing W. GRASSE and F. RUIZ, DFVLR and Sevillana 21 10 MVe solar therma.l central receiver pilot plant overview - Part I A. SKINROOD, Sandia National Laboratories, Livenrore, USA 35 ~ICH I - PARI' 2 : PRl!SEN'D\TICH CH 'lHE GIlNERAL ~ OF <Dl1'RAL RFXEIVER PCHm. I.'IANTS Surrmary of the Session by the Rapporteur L. VANl'-HUIL, University of Hausten, USA. 48 A 1 MWe solar thennal electric power pilot plant (Sunshine project) T. MUKAI, Agency of Industrial Science and Technology, MITI; T. HORIGCME, N. IKEr.lA. and T. SPJ<AMOro, Solar Energy Department, New Energy Developnent Organization, Japan 52 Themis plant operation progress report V. MASCLE, EDF; F. PHARABOO, AFME and B. RIVOIRE, CNRS, France 62 CESA-l project status report J. AVELIANER, C. ORI'IZ, F. MP.RI'INEZ and F. SANCHEZ, Ministerio de Industria y Energia, Spain 73 ~ICH II - PARI' 1 HELIoorAT FIEID Surrmary of the Session by the Rapporteur B. BONDUEILE, CNRS, Groupe d'Evaluation Scientifique Thanis, France 84 Conceptional design of solar power plant with central receiver tower based on improved heliostats H. YOSHIKAWA, Tokai University; N. IKEDA., New Energy Developnent Organization, Japan 86 SSPS-cRS Heliostat performancejhistory P. WATTIEZ and J. RAMOS, ITEI' and Sevillana, IFAjSSPS Project 92 Heliostat field and,receiver efficiency measuranent on the IFA- 500 KWe - CRS at Almeria W. SCHIF.:rJ, Institute for Technical Physics, DFVLR, Stuttgart, Federal Republic of Gennany 100 Themis heliostat field J. J. BEZIAN and B. BOOIXJELLE (CNRS) , TheInis Scientific Valuation Team, France 106 ASINEL heliostats for the GAST technological programme J. OE MAR<X)S and L. CRESro, Asociacion de investigacion industrial electrica, Madrid, Spain 112 CESA-l heliostat field - evaluation status report F. SANCHEZ, INITEC, Spain 120 - viii- 10 r4'Ve solar t-J1ennal central receiver pilot plant - heliostat evaluation C.L. Ml\VIS, Smdia National Iaboratories, Liverrrore, USA 124 SESSlCE II - PARI' 2 RFX:EIVm. Surmary of the Session by the Rapporteur M.R. GENIER, EDF, Chatou, France 130 Operating experience and modifications in the solar receiver of the 'Eurelios plant F. AIELLO, 13. BELIAGAMBA. and G. DlNELLI, F.:NEL, Centro Ricerca Tennica e Nucleare, Pisa, ltaly 133 'lbe SSPS advanced sodium receiver; i:ransient response R. CAlM)NA and J.G. MARI'IN, lFAjSSPS lTET 140 Preliminary results on the perfonnance of the Sulzer cavity receiver and the Franco-Tosi external receiver C.S. SELVAGE and H. JACOBS, lFA/SSPS lTET 149 Relevant aspects in the design and construction of the advanced sodium receiver ASR for the lFA.-SSPS central receiver system plant (A!meria - Spain) P. CAVALLERI, V. B'EIXJGNI and A. DI MEGLIO, Research and Developnent Divisicn, Franco Tosi Industriale SpA, LegrlaID, ltaly 155 The Thems plant; start-up of the receiver - first results B. RIVDlRE, CNRS-GEST, France 162 Stability of salt and corrosion resistance of circuit materials in the '!hemis power plant P. SPlTERI, o€!partement Etude des Materiaux, EDF Les Renardieres, ~ret-sur-Loing, France 169 An originally scaled test unit of a modular gas cooled receiver of 50 MW thennal power P. AGA'I:a!DVIC, H. FUHRMANN and D. R!X>S, MAN Neue Technologie, Federal RepUblic of Germany 175 Cerarnic as a material for large receiver constructions H. GEHRKE, ~rnier System GnbH, Friedrichshafen, Federal RepUblic of Gennany 181 SESSlCE II - PARI' 3 CYQE, SYS'lBII. CXBl'RlL Surmary of th"e Session by the Rapporteur R.L. GERVAIS, r';~Tbnnell Ibuglas, HUfltington Beach, USA 190 -ix-