Provisional Minutes of CIGRÉ SC A1 Meeting Beijing, China...

1

CONSEIL INTERNATIONAL DES GRANDS RĖSEAUX ĖLECTRIQUES INTERNATIONAL COUNCIL ON LARGE ELECTRIC SYSTEMS COMITE D’ETUDES Machines Tournantes A1 STUDY COMMITTEE Rotating Machines

Chairman: Secretary: Erli Ferreira Figueiredo Oscar Martinez Rio de Janeiro State University IBERDROLA GENERATION Rua Marechal Pires Ferreira 69 Tomas Redondo,1 22241-080 Cosme Velho ES-28033 Madrid Rio de Janeiro - Brazil Espagne-Spain Tel: +55 21 205 0569 Tel: +34 91 784 2846 Fax: +55 21 569 9067 Fax: +34 91 784 2187 e-mail: [email protected] e-mail: [email protected]

Provisional Minutes of CIGRÉ SC A1 Meeting Beijing, China, 2011

2

Table of Contents 1. Formalities: Presentation and Agreement of Agenda 2. Acceptance of Minutes of Meeting, Paris 2010 3. Status of Study Committee A1 4. Technical Committee Meeting Feedback 5. Study Committee A1 Meeting, Paris 2012 6. Advisory Group Feedback Sessions 7. Colloquium, Beijing 2011 and Tutorials 8. National Presentations: “Generation Expansion Planning” 9. Bucharest 2013: Preliminary Program 10. Future Study Committee A1 Meetings 11. Attendance List to SCA1Meeting in China Annex 1: Chairman’s letter and Agenda for the 2011 A1 meeting Annex 2: Preferential Subjects for Cigre Open Session 44th, Paris 2012 Annex 3: Minutes of meeting of Advisory Group A1.01 Turbo-generators Annex 4: Minutes of meeting of Advisory Group A1.02 Hydro-generators Annex 5: Minutes of meeting of Advisory Group A1.05 New technologies Annex 6: Minutes of meeting of Advisory Group A1.06 Motors Annex 7: Colloquium, Beijing 2011 and Tutorials Program Annex 8: National Presentations: “Generation Expansion Planning” Annex 9: Romania 2013: Preliminary Program & Preferential Subjects Annex 10: List of Attendees to SC-A1 meeting in China

3

1. Formalities: Presentation and Agreement of Agenda The Study Committee A1 (SCA1) meeting in 2011 was held in Beijing, China from 10th to 14th of September, and it was accompanied by one-and-a-half days Colloquium. Two technical tours were organized on September 9th and 16th to present delegates the capabilities of China about Power Generation and Electrical Machines manufacturing industry. The SC A1 meeting was chaired by the chairman, Erli Ferreira Figueiredo, BR, and it was attended by 53 members and experts from 20 countries. This number of attendees was considered excellent in view of the actual financial world crisis. The proposed agenda was accepted (see Annex 1). A coordination meeting with the participation of Chairman, Secretary and Advisory Conveners was held on 10th September, from 18:00 to 19:00hs, where some important matters were discussed. This session proved to be very helpful and it will be held for the next meetings of the Committee. Besides this, a final coordination meeting will also be programmed to discuss the main results obtained and suggest improvements. These meetings establish strategic administrative directions of the Committee, and will be held in odd and even-years.

2. Acceptance of Minutes of Meeting, Paris 2010 The final draft of the Minutes of last Meeting in Paris was accepted by the Committee. The definitive Minutes of the Meeting are included on the website: www.cigre-a1.org under the page Members area / SC Meetings Minutes.

3. Status of Study Committee A1

3.1 CIGRE Organisation The Chairman remembers to the audience the origin and scope of CIGRE as a non-governmental and non-profitable organisation founded in 1921, in Paris. CIGRE has 57 National Committees, with 6279 individual members and 1136 collective members representing companies, universities and research organisations in 89 countries. There are 218 active Working Groups and 16 study committees, according to data from March 2011. It was remembered the responsibilities of the Study Committee and of the Advisory Groups:

Technical directions: • Proposal of WGs and their conveners • Approval of the Terms of Reference of the WGs • Update the strategic and action plans • To follow the progress of the WGs • To review and evaluate the WGs reports before publication • Organization and preparation of tutorials • Prepare the minutes of the meetings

Biannual sessions:

• Setting preferential subjects and special reporters • Coordination of the study committee and Advisory Groups meetings • Proposal of subjects for panel session

4

Odd year meetings: • Proposal of subjects for a Colloquium or Symposium • Coordination of the SC and AGs/AGs meetings

Information management:

• To update website and to insert: surveys, Terms of Reference, Reports, Colloquium records, Strategic and Action Plans, etc.

3.2 SC A1 Mision and scope The Study Committee is responsible for the field of Rotating Electrical Machines and includes in its scope all such machines for power generation and large motors for power stations. It also includes a brief to cover the application of materials technology relevant to machines. These responsibilities have no changed since 2004. The strength of the Committee comes from the strong international experience, knowledge and judgement expertise residing in highly qualified members from the widest spectrum of Electrical Industry participants. This is in compliance with new tasks set by the Technical Committee. Study Committee A1 gets in contact with other Committees to communicate experiences and trends of broader consequence. Trends in other Committees are observed on matters related to machines development by (designated) members/experts of SC A1. The main SC of concern: A2 Transformers, D1 Materials and Emerging Technologies, C2 Systems Operation and Control. 3.3 Membership and Addresses The present membership and addresses of Study Committee A1 is given in the Tables below. For reasons of completeness and actual information the lists of the Chairman, Secretary, Conveners and the Experts/Guests are also inserted. Experts/Guests are listed when attending at least one of the meetings since 2008. Please communicate any change in address to the Secretary.

A1 REGULAR MEMBERS Start Year Country Member Company Address

2006 Argentina Piriz, Hector Daniel Impsa [email protected] 2006 France Berlamont, Michel Alstom [email protected] 2006 Mexico Robles Pimentel, Edgar G. IIE [email protected] 2006 United States Salem, Sam GE [email protected] 2007 Canada Sedding, Howard Kinectrics [email protected] 2008 Brazil Sanz, Jacques Electronorte [email protected] 2008 Germany Hildinger, Thomas VS-hydo [email protected] 2008 Italy Tartaglione, Vincenzo Ansaldo [email protected] 2008 Norway Aalvik, Geir Statkraft [email protected] 2008 South Africa Smit, Nico Eskom [email protected] 2008 Spain Villarrubia, Alberto Iberdrola [email protected] 2008 Sweden Karlsson, Thommy Norconsult AB [email protected] 2008 Switzerland Mayor, Kevin Alstom [email protected] 2008 United Kingdom Connolly, Neil Scottish-Southern [email protected] 2010 Australia Wiehe, Peter Hydro Tasmania Consulting [email protected] 2010 Austria Ramsauer, Franz Andritz Hydro [email protected] 2010 China Sun, Yutian Harbin Res.Inst [email protected] 2010 Croatia Studir, Josip KONCAR [email protected] 2010 Finland Ahtiainen, Jouni Juhani Fortum [email protected] 2010 Greece Kladas, Antonios NTUA [email protected] 2010 Japan Matsumoto, Hisakazu Toshiba [email protected] 2010 Korea Kang, Dohyun KERI [email protected] 2010 Poland Biernacki, Arkadiusz Alstom [email protected] Russia Vinitzky, Yury D. GE [email protected]

5

OBSERVER MEMBERS Start Year Country Member Company Address

2004 Belgium Van Cotthem Jeroen LABORELEC [email protected]

2004 Macedonia Mircevski Slobodan A. University Sv. Kiril i Metodij [email protected]

2006 Israel Berman, Mario Israel Electric Corp. [email protected]

2008 Egypt Eman, Ahmad Mostafa Cairo Generation Company [email protected]

2008 Venezuela Millan, Alexander CVG EDELCA [email protected] 2010 Algeria Belaid, Boudjema CREDEG [email protected] 2010 India Gupta A.K. NTPC LTD [email protected]

2010 New Zealand Henderson, Kane Mighty River Power [email protected]

2010 Romania Zlatanovici, Rodica Icemenerg [email protected]

2010 Serbia Arnautovic, Dusan EI NIKOLA TESLA [email protected]

2010 Slovenia Tomisc, Ladislav HSE - Holding slovenskih elektrarn

[email protected]

ADVISORY GROUP Start Year

Country Member Company Adress Function

1997 USA Fenton, Robert GTC [email protected] Conv. A1.01 2006 Canada Tremblay, Remi Hydro Quebec [email protected] Conv. A1.02 2007 USA Salem, Sameh GE [email protected] Conv. A1.05 1999 Italy Tortello, Enzo Ansaldo [email protected] Conv. A1.06 2008 United Kingdom Stokes, W.Trevor Consultant [email protected] Reviewer Electra/Strategic

Plan Consultant 2008 Romania Zlatanovici, Dan SC Icemenerg [email protected] Reviewer Electra/Strategic

Plan Consultant 2008 Japan Tari, Makoto VonRoll [email protected] Reviewer Electra/Strategic

Plan Consultant 2010 Spain Martinez, Oscar Iberdrola [email protected] Information Management&

Documentation / Webmaster Consultant

CHAIRMAN AND SECRETARY

Start Year

Country Member Company Adress Function

2008 Brazil Figueiredo, Erli Ferreira Rio Univ. [email protected] / [email protected]

Chairman

2008 Spain Martinez, Oscar Iberdrola [email protected] Secretary

6

WORKING GROUP AND TASK FORCES LEADERS Country Member Company Address Function

United Kingdom Connolly, Neil Scottish-Southern [email protected] WGA1.01 Canada Tremblay, Remi Hydro Quebec [email protected] WGA1.02

USA Salem, Sameh GE [email protected] WG A1.05 Spain Garcia Araco, Jose Luis Iberdrola Ingeniería [email protected] WG A1.13 Spain Martinez, Oscar Iberdrola [email protected] WG A1.14

France Duffeau, Francois EDF [email protected] WG A1.15 South Africa Tarrant, David Eskom [email protected] WG A1.16

Spain Rodriguez, Sergio Iberdrola [email protected] WG A1.17 Serbia Skundric, Vojislav Eps [email protected] WG A1.19

Sweden Kämpe, Lars-Erik VG Power [email protected] WG A1.21 France Berlamont, Michael Alstom [email protected] WG A1.22 Brazil Siniscalchi, Márcio

Rezende Eletronuclear [email protected] WG A1.23

USA Salem, Sameh GE [email protected] WG A1.24 Norway Aalvik, Geir Statkraft [email protected] WG A1.25

South Africa Smit, Nico Eskom [email protected] WG A1.26 Italy Tortello, Enzo Ansaldo [email protected] WG A1.27

Romania Zlatanovici, Dan SC Icemenerg [email protected] WG A1.28 Spain Rouco, Luis IIT [email protected] WG A1.29

Croatia Studir, Josip KONCAR [email protected] WG A1.30 Austria Ramsauer, Franz Andritz Hydro [email protected] WG A1.31 Brazil Gromow, Alexander Consultant [email protected] WG A1.32

Switzerland Mayor, Kevin Alstom [email protected] WG A1.33 Japan Nagura, Osamu Hitachi [email protected] WG A1.34

7

EXPERTS

(Attendees at least once of the meetings since 2008 )

Country Member Company Address 1 Argentina Graffigna, Fernando Mario IMPSA [email protected] 2 Australia Nanayakkara, Kapila Snowy Hydro Ltd [email protected] 3 Australia Pead, John NEC [email protected] 4 Australia Rooke, Helen Eraring Energy [email protected] 5 Australia Linton, John Power&Water Corp. [email protected] 6 Austria Scherer, Karl Andritz-Hydro [email protected] 7 Brazil Campos, Adelmo CHESF [email protected] 8 Brazil Goncalves, Carmo Eletronorte [email protected] 9 Brazil Gromow, Alexander Consultant [email protected]

10 Brazil Pacheco, Sergio Cemig [email protected] 11 Brazil Renno, Francisco Renno Technologia e repres. [email protected] 12 Brazil Siniscalchi, Márcio Rezende Eletronuclear [email protected] 13 Canda Chaaban, Mohamed Hydro Quebec [email protected] 14 Canada Cloutier, Marius VibroSystM [email protected] 15 Canada Hudon, Claude IREQ/Hydro-Quebec [email protected] 16 Canada Hudon, Paul Alstom [email protected] 17 Canada Klempner, Geoff Nuclear Safety Solutions [email protected] 18 Canada Stone, Greg Iris Power [email protected] 19 Canada Tetreault, Andre Vibrosystm [email protected] 20 Canada Zhu, Hugh Powereech Labs. [email protected] 21 China Lei, Xiangfu Xemc [email protected] 22 China Qiao, Yuan Goldwin [email protected] 23 China Shen, Liang Wei Hec [email protected] 24 China Yubing Gdupc [email protected] 25 Croatia Maljkovic, Zlatko Univ. Zagreb [email protected] 26 Croatia Milojkovic, Zoran Koncar [email protected] 27 Croatia Polak, Josip Koncar [email protected] 28 Czech (Rep.) Valenta, Jindrich BRUSH SEM s.r.o. [email protected] 29 Denmark Kjær, Philp Vestas [email protected] 30 Denmark Lind, Soeren Oemann Siemens [email protected] 31 Finland Manninen, Reijo AF-Consultant [email protected] 32 France Augros, Mikael ALSTOM [email protected] 33 France Duffeau, Francois EDF [email protected] 34 France Thiot, Denis ALSTOM Power Service [email protected] 35 France Vacheron, Olivier EDF [email protected] 36 France Verrier, Michel Alstom [email protected] 37 France Vizireanu, Darius EDF [email protected] 38 Germany Eickelbeck, Uwe Siemens AG [email protected] 39 Germany Sedlazeck, Klaus Siemens [email protected] 40 Germany Stiesdal. Henrik Siemens [email protected] 41 Germany Weidner, Jürgen Siemens [email protected] 42 Greece Safacas, Athanassios University of Patras [email protected] 43 Greece Tsoumas, Ioannis P. University of Patras [email protected] 44 Hungary Gal, Janos Hyundai [email protected] 45 Italy DalMut, Giorgio Ansaldo [email protected] 46 Italy Invernizzi, Marco University of Genoa [email protected] 47 Italy Maccio, Giorgio Ansaldo [email protected] 48 Italy Oldrati, Alessandro Ansaldo Energia [email protected] 49 Japan Fujigaki, Tetsuo Hitachi [email protected] 50 Japan Hattori, Kenichi Hitachi [email protected] 51 Japan Hiroshi, Hatano Toshiba [email protected] 52 Japan Hitoshi, Katayama Toshiba [email protected] 53 Japan Hiroshi, Sako Mitsubishi [email protected] 54 Japan Hohzan, Kazuyoshi Kansai Electric Power Co., Inc [email protected] 55 Japan Ito, Hiromichi Toshiba [email protected]

8

56 Japan Koga, Kiyonori Mitsubishi [email protected] 57 Japan Toru, Kubo Toshiba [email protected] 58 Japan Maeda, Susumu Mitsubishi [email protected] 59 Japan Miyaike, Kiyoshi Toshiba [email protected] 60 Japan Mukai, Kazuma Toshiba [email protected] 61 Japan Nagura, Osamu Hitachi [email protected] 62 Japan Nakahara, Akihito Hitachi [email protected] 63 Japan Sachio, Tomita Mitsubishi [email protected] 64 Japan Shimada, Hideyuki Toshiba [email protected] 65 Japan Suzuki, Kazuichi Mitsubishi [email protected] 66 Korea Kim, Yong-Joo KERI [email protected] 67 Mexico Ponce de Leon Viedas, Eugenio CFE [email protected] 68 Norway Amundsen, Johan L. Statkraft [email protected] 69 Poland Biernacki, Arkadiusz Alstom [email protected] 70 Poland Zielonka, Aleksander Alstom [email protected] 71 Russia Degusarov, Yuri Electrosila [email protected] 72 Russia Gurevich, Elrikh Electrosila [email protected] 73 Russia Ibraghimova, Nadezhda Power Machines [email protected] 74 Russia Polyakov, Fedor VNIIE [email protected] 75 Russia Roytgarts, Mikheil Power Machines [email protected] 76 Russia Sokur, Pavel VNIIE [email protected] 77 Russia Vinitzky, Yury GE Tech.center [email protected] 78 Serbia Skundric, Vojislav EPS [email protected] 79 Slovenia Touric, Ladislour DEM [email protected] 80 South Africa Bembe, Jabulani Rotek Engineering [email protected] 81 South Africa Coetzee, Gert [email protected] 82 South Africa Tarrant, David ROTEK Engineering [email protected] 83 Spain Alonso, Oscar Acciona [email protected] 84 Spain Alvarez Alba, Manuel Endesa [email protected] 85 Spain Diez-Maroto,Luis Comillas University [email protected] 86 Spain Garcia Araco, Jose Luis Iberinco [email protected] 87 Spain Garde, Francisco Javier Gamesa [email protected] 88 Spain Perez Campion, Juan Carlos Iberdrola Renewables [email protected] 89 Spain Rodriguez, Sergio Iberdrola [email protected] 90 Spain Rouco, Luis IIT [email protected] 91 Spain Ruiz, Javier Acciona [email protected] 92 Sweden Kämpe, Lars-Eric VG Power [email protected] 93 Sweden Lamell, Jan-Olof ABB Autom. TechnProducts [email protected] 94 Sweden Sadarangani, Chaudur KTH [email protected] 95 Switzerland Rütti, Willi Alstom [email protected] 96 Switzerland Schwery, Alexander Alstom [email protected] 97 UK Adams, Ben RWE Npower [email protected] 98 USA Jeney, Steve NEC [email protected] 99 USA Miller, Nicholas GE Energy [email protected]

100 USA Montgomery, Lon Siemens [email protected] 101 USA Moore, William NEC [email protected]

9

3.4 Working Groups and Task Forces 3.4.1 Working Groups and Task forces in Progress: It was reported the list of new Working Groups since 2008 and it was presented the complete list of the actual Working Groups: TURBO-GENERATORS A1.01 Guide on Over fluxing Generators A1.05 Economic Evaluation of Generator Refurbishment / Replacement A1.22 Guide – Consideration of Duty on Windings A1.23 State of the Art and Capacity for Robotic Inspection of Turbo-Generators A1.28 Guide – Corona Electromagnetic Probe Tests (TVA) A1.29 Guide on Generator/Power System Inter relationship Issues A1.33 Guide for Cleanliness and Proper Storage of Generators and Components

HYDRO-GENERATORS A1.02 Generator Stator Winding Stress Grading Coating Problem A1.13 Feasibility of Updating from Class F to Class H the Insulation Systems in Electrical Rotating Machines A1.14 Guide for Minimizing the Damage from Stator Winding Ground Faults in Hydrogenerators A1.21 Bearing segments with plastic lining - Operating and maintenance experience A1.25 Survey on hydro generator cleaning A1.30 Magnetic Wedges A1.31 Stator Winding Support Systems and their Influence on the High Voltage Insulation A1.32 Survey on Small Hydro Power Plants A1.34 Testing Voltage of Doubly-Fed Asynchronous Generator-Motor Rotor Winding for Pumped Storage System NON-CONVENTIONAL GENERATORS A1.24 Literature survey on diagnostics trends for wind generators for reliability improvement. LARGE MOTORS

A1.17 Methods of determining the condition of stator winding insulation and their effectiveness A1.19 Motor Failure survey A1.26 Condition Monitoring, Diagnosis and Prognostic A1.27 Adjustable Speed Drives and High-Efficiency Motors Applications in Power Plants 3.4.2. Working Groups finished and disbanded: This is the list of Working Groups finished and ready for publishing during the last year: A1.04 Generator Fire Protection A1.10 Guide for On-Line Monitoring of Turbogenerators A1.12 State of the Art of the Efficiency in Hydrogenerators Commissioned in the Last 10 Years A1.15 Guide on Stator Water Chemistry Management A1.16 Guide on Generator Coil Retaining Ring - A System Survey and General Guideline A1.18 Extending Life of Large Motors in Nuclear Power Plants 3.5. Schedule for the Working Groups During the session, it is remembered to the members the period of time for the activity of the Working Groups. According to the Technical Committee requirements, the Working Groups are expected to carry out their works in three years or less, with a final result of relevant documents for publication. In case of an extensive work, it may be allowed 4 years, at the most, for the conclusion of the work.

10

The process of a Working Group is revised including the definition of the task with the creation of a Terms of Reference (TOR) and the circulation of the document in to the Technical Committee for comments and approval. 3.6. Commitments of Study Committee The Chairman introduces the commitments of the Study Committee with the Technical Committee. The information to be presented to the Technical Committee and Central Office of CIGRE is: - Strategic plan: The Chairman of the Study Committee must prepare a report of 5 to 6 pages text including the strategic issues of the Committee, including a brief Executive Summary. This report must cover a period of 10 years, and must be sent to the Technical Committee each 3 years. - Action plan: This document must be sent to the Technical Committee each year before Spring. - Activity report: Each year before spring time, the Stydy Committee must report the status of Strategic and Action plans, the list of active Working Groups, the Publication plan, the published Tutorials, Meetings, the update of the Website, and the list of Contacts. - Annual technical report: It must be published yearly in Electra, to report just technical matters. - WG membership update: Every six month, the Committee must send the updated list of WG members to the Central Office. - Preferential Subjects for the Biennial Session: The Committee must present a maximum of three topics, with 4 bullets maximum per topic, as Preferential Subjects for Biennial Session with 2 years in advance. 3.7. Tutorials The Chairman explains that the objective of a Tutorial is to disseminate the knowledge of the works done by the Study Committee. In the schedule of a Terms of Reference of a Working Group, the preparation of a Tutorial must be indicated by the Convener and approved by the Committee. The Tutorial must be prepared and given by the WG Convener, and must be presented in CIGRE events, as Study Committee Meetings and National Committee meetings, but not at the time of the CIGRE Biennial Session. 3.8. Website There is a CIGRE official general website: http://www.cigre.org/ The new Webmaster since 2010, Oscar Martinez, presents the status of the official webpage of the Study Committee A1: http://www.cigre-a1.org/ On this website can be find:

- General information of CIGRE and the Study Committee - Central Office documents. - The List of Study Committee Members - List of active Working Groups - On “Members Area” webpage, can be find access to published documents and a link to e-cigre - On “Working Groups” area, is posted interesting information of each Working Group:

- Terms of reference

11

- Draft of questionnaires and reports for discussion. - Presentations of status. - References.

The Webmaster presents the status of an active Working Group for “Website Redesign” leaded by Central Office. The scope of this Working Group is to redefined online presence and identity of CIGRE on the grid, to create a user friendly site, and to develop a source of information for users and members. This activity is focussed on Study Committee websites and National Committees websites as well. The Working Group had identified that it is necessary a new structure and organization of the information at the webpages, with more flexibility to create areas at the sites, simplifying the management of information.

4. Technical Committee Meeting Feedback The Chairman attended the Technical Committee on March and April 2011, and summarizes the main subjects mentioned during this meeting:

• Highlights: o Panel Session on “Recent Developments in Wind Power Generation”, with presentations of

eight top world manufacturers during Paris Session 2010. o Coordination and selection of papers for the Colloquium on “New Developments of Rotating

Electrical Machines”, to be held in Beijing, China, where 106 abstracts were received. o Total number of publications in 2010: 6, being 1 Technical Brochures, 3 Reports in Electra

and 2 Reports on SC A1 website. o Publications Plan for 2011: 5 Technical Brochures and 1 Report in Electra. o 5 Tutorials presented.

• Technical Committee Project: “The Network of the Future”: A new project launched by the Technical Committee is presented. The scope of this project is to identify a strategy and a set of activities to be undertaken by CIGRE SCs to study the expected long term future development of electric networks. Concerning SC-A1 the expected increase in renewable generation will modify the actual structure of the generation sector and the future expansion of the transmission systems, as well the manufacturing of large turbo-generators. The main characteristics of the Network in the Future will be:

o Micro grids are locally-generated power systems where power is produced, transmitted, consumed, monitored, and managed all on a local scale.

o A super grid is a large scale electricity grid network linking together a number of countries, or connecting areas with a large supply of electricity to an area or areas with a large demand.

o A smart grid is an intelligent electricity grid that connects centralized and decentralized energy sources spread all over the transmission and distribution systems to the load centres in an optimized way to both producers and consumers. Typically, small generation such as wind generators, solar panels, photovoltaic systems and gas turbines are combined with energy management to balance out the load of all the users on the system.

The contribution of the Study Committee A1 this project is identified in: o Superconducting generators development, as an alternative for increasing generation

efficiency, reducing size, weight and improving power system stability in comparison with conventional generators

o Near-future dielectrics. The utilization of polymer nano-composites is promising as near-future HV electrical insulation in rotating machines and in other applications.

o On wind generation, with development on small wind farms located nearby the centres of comsuption, reducing the number of transmission lines and decreasing looses on transmission system.

o Standardisation for new generator-grid interaction requirements and motors. It has been observed an inconsistency between generator standards and grid code requirements around the world. CIGRE, through SC A1, is compiling the grid code requirements

12

worldwide, identifying extra requirements imposed by the grid codes with respect to IEC and IEEE/ANSI standards for electrical machines. The results of this survey may conduct to an optimization of the interaction generation-transmission system improving the efficiency of the overall power system

o Electrical Motors. Electric motor systems consume large amounts ofelectrical energy and can provide an opportunity for significant energy savings. Even a small improvement in efficiency could result in significant energy and operational cost savings. Investing a little more money upfront for a more efficient motor will be paid back in energy savings.

o Improvements on machine monitoring, diagnosis and prognosis, to optimize performance, reliability and efficiency and to take maintenance decisions through understanding behavior and signs of deterioration.

5. Study Committee A1 Meeting, Paris 2012 Preferential Subjects for 2012 Open Session were presented to the audience (see Annex 2).

6. Advisory Group Feedback Sessions 6.1. A1.01: Turbo Generators Reported by Convener Bob Fenton, USA (see Annex 3)

Attendees There were 53 members and Experts representing 20 countries.

Working Groups Three important works have been completed in the last year: - Guide: Generator Coil Retaining Ring- WG-A1.16 - Guide on Stator Water Chemistry Management- WG-A1.15 - Update on On Line Monitoring – WG -A1.11 The status of the 7 running on Working Groups is presented, and three new Working Groups find Conveners: - Guide for Generator Over and Under Excitation Operation Issues – Rodica Zlatanovici (RO) - Report of Dissipation Factor (tip up) Testing Experience. – Howard Sedding (CA).

- Turbo-generator Stator Winding Support System Experience – Alberto Villarrubia (ES) 6.2. A1.02: Hydro Generators Reported by Convener Remi Tremblay, CA (see Annex 4)

Attendees There were 54 attendees from 20 countries.

Working Groups Four Working Groups have been finished since the last meeting:

- State of the Art in Efficiency of Hydro-Generators Commissioned - Daniel Piriz (AR) - Hydro-generators Fire Protection Update - Alexander Gromow (BR) - Intermittent Operation Experience, Lars- Eric Kampe (SE)

13

- Survey of Hydro-generator failures, Jose Luis Garcia Araco (SP)

The status of the 10 running on Working Groups is presented to the audience and it is proposed a new Working Group: - Generator Synchronization at the High Voltage of the Unit Transformer – Edgar Robles (MX) 6.3. A1.05: Non-Conventional Rotating Machines Reported by Convener Sameh Salem, USA (not attending, meeting chaired by Oscar Martinez, ES) (see Annex 5)

Attendees There were 53 members and experts representing 20 different countries.

Working Groups The status of the running on Working Group “Literature Survey on Diagnostics Trends for Wind Generator for Reliability Improvement”, Sam Salem is presented to the audience. Three main topics are identified for next Working Groups:

- Questionnaire on the main issues affecting availability and MTTR of different wind generator designs. - Literature survey on new generator designs for large wind generators with high efficiency and almost zero maintenance - State of the Art in Superconducting Machines

Experts and contributors to lead Working Groups about these issues or any other matter are required. 6.4. A1.06, Large Motors Reported by the Convener Enzo Tortello, IT (not attending, meeting chaired by Erli Figueiredo, BR) (see Annex 6)

Attendees There were 53 attendees from 20 countries.

Working Groups The status of the 5 running on Working Groups is presented to the audience

7. Colloquium, Beijing 2011 and Tutorials A Colloquim of one-and-a-half days on “New Developments of Rotating Electrical Machines”, was held on Monday 12th and on Tuesday 13th in the morning. Complying with the directions of the Technical Committee, three invited papers were presented as Tutorial by the SC-A1. The Colloquium Program is presented in the Annex 7.

8. National Presentations: “Generation Expansion Planning” Each country represented in the Study Committee by a Regular or an Observer Member is invited to present a contribution about the Generation Expansion Planning on his country.

14

A list of 22 contributions is presented (see the list included in Annex 8) and these contributions can be found in the official web site www.cigre-a1.org on the page “Members Area” / “SC Meetings Minutes”.

9. Bucharest 2013: Preliminary Program A proposal of program, including a list of preferential subjects, for the Colloquium to be held in Bucarest 2013 from August 31st to September 7th was presented by Mrs. Rodica Zlatanovici, Observer Member of Romania. (see Annex 11)

The main topics proposed for the Colloquium are:

- Operation of electrical generators connected to an electrical network: grid codes, standards, diagrams of operation, protections, voltage regulators, etc.

- Experience in online and off-line monitoring and tests.

- Assessment of large electric machines state: criteria, diagnosis, risk management, maintenance, retrofit.

10. Future Study Committee A1 Meetings The planned SC meetings are shown in the following table:

Year 2012 2013 2014 2015

SC Meeting

France, Paris

August 26-31

Romania

France, Paris

Spain

11. Attendance The list of attendees at the China’s meeting is shown at the annex 10.

15

ANNEX 1: CHAIRMAN’S LETTER AND AGENDA FOR 2011 SCA1 MEETING

21

ANNEX 2: PREFERENTIAL SUBJECTS FOR

CIGRE OPEN SESSION 44th, 2012

23

ANNEX 3: MINUTES OF MEETING OF AG A1.01 TURBO-GENERATORS

29

ANNEX 4: MINUTES OF MEETING OF AG A1.02 HYDRO-GENERATORS

34

ANNEX 5: MINUTES OF MEETING OF AG A1.05 NEW TECHNOLOGIES

36

ANNEX 6: MINUTES OF MEETING OF AG A1.06 MOTORS

43

ANNEX 7: COLLOQUIUM AND TUTORIALS PROGRAM

47

ANNEX 8: NATIONAL PRESENTATIONS:

“GENERATION EXPANSION PLANNING” LIST OF PRESENTATIONS

48

ANNEX 9:

BUCHAREST 2013: PRELIMINARY PROGRAM

57

ANNEX 10: ATTENDANCE LIST TO SC A1 MEETING IN CHINA

Provisional Minutes of CIGRÉ SC A1 Meeting Beijing, China...

Documents

Transcript of Provisional Minutes of CIGRÉ SC A1 Meeting Beijing, China...