Professor Antans - Saulus SAUHATS Director, Institute of Power Engineering Faculty of Power and Electrical Engineering Riga Technical University 1, Kronvalda blv. Riga, LV 1010 Latvia Phone: +371 708 9930 Fax: +371 7089931 E-mail: sauhatas@eef.rtu.lv

Born: March 14, 1948, Panevezys, Lithuania

Languages: Lithuanian, Russian, Latvian, French, and English.

• Riga Technical University (Riga Polytechnical Institute), 1970
• Dr.sc.ing. (Candidate of Technical Sciences in FSU, Ph.D. in Western countries), 1976
• Doctor of Technical Sciences in former USSR from 1991
• Dr.habil.sc.ing., Riga Technical University, 1992
• Professor Riga Technical University, 1992 - present

• Junior Research Associate, Senior Engineer, Riga Polytechnical Institute, Faculty of Power and Electrical Engineering, Department of Electric Power Systems, 1969-1976
• Senior Research Associate, Riga Polytechnical Institute, Faculty of Power and Electrical Engineering, Department of Electric Power Systems, 1976.
• Docent, Riga Polytechnical Institute (Riga Technical University), Faculty of Power and Ellectrical Engineering, 1982
• Head of Automatized Electric Systems Chair, 1986
• Professor, Riga Technical University, 1992 - present.

Courses - Protective relaying , Automatic control of electric power systems, Control systems in electric power engineering.

12 PhD, 31 masters of sc., engineers and bachelors were supervised.

Area of research activity: power system automation and optimisation, protective relaying, development of methods and means for control of normal and emergency conditions in electric power systems, HV Transmission lines fault location.

• Principal investigator of the Latvian Scientific Council grants
• Principal investigator, projects with Latvia, Lithuania, Estonia, Russia power systems
  and utilities
• Developed and implemented disturbance recording systems, fault location system, protective relaying, out of step condition system for 110-330 kV transmission lines and power plants
• Developed hardware and software widely used power systems in Latvia, Lithuania, Estonia, and Russia. Total number of implementation more than 500 protective relaying and automation terminals.

Honours and Awards

• Corresponding Member, Latvian Academy of Sciences, 2003
• Year Prize of the Latvian Academy of Sciences and Public Joint Stock Company "Latvenergo" for life contribution in energetics and engineering, 2003

 Professional Activities and Memberships:

• President, Latvian Power System Promotional Council
• Member, Lithuanian power system Promotional Committee
• Individual Member of CIGRE
• Chair, Editorial Board of the Scientific Proceedings of Power and Electrical Engineering, Riga Technical University
• Associated Editor of Power Engineering, Proceeding of Educational Committee (Minsk, Byelorussia) (ISSN 0579-2983)
• President, Latvian Electrotechnical Committee
• Member, Latvian Electrical Engineering Society; Chief of Scientific and Education Committee of Latvian Electrical Engineering Society
• Member, Technical Council, Public Joint Stock Company Latvenergo
• Member, International Scientific Committees of Slovak, Poland, Latvian, and Lithuanian International Scientific Symposiums
• Member, IEEE

Total number of scientific publications: 194 publications (40 during the last 5 years).

Main scientific publications during the last 5 years:

• A.Sauhatas, I.Staltmanis. Electric Power Engineering Education in Latvia - Problems and Solution , CIGRE, L.U.C., Paris. 1998, 3 p.
• .A.Sauhatas, A.Dolgitser, A.Utans. The System for Operation control of Hydrogenerators.- Proceedings of UPEC 98 Conference, Napier University, Edinburgh, UK, 1998, pp.150-153.
• A.Sauhatas, A.Svalov. Statistical Aproach for Optimizacion of the Automatic for Preventing of the Asynchronous Operation in Power System. - Proceedings of UPEC 98 Conference, Napier University, Edinburgh, UK, 1998, pp. 628-630.
• T. Loman, A. Sauhatas, A.Voinovska. Optimization of parameters and algorithms of distance protection. – Proceedings of IV Sympozjum “Metody Matematyczne w Elektroenergetyce MMWEE' 98, Akademia Gorniczo-Hutnicza im.Stanislawa Staszica w Krakowie. Zaklad elektroenergetyki. Poland.1998. pp.313-322.
• A.Sauhatas, T.Lomane. Optimizacion of distance measuring units. – In:"Energetikos ir Elektrotehnikos Technologijos". Konferencijos pranešimu medžiagos. Kaun? technologijos universitetas. Kaunas, Lithuania, 1999. pp.58-59.
• A.Sauhatas, T.Lomane, A.Voinovska. Estimations of distance protection efficiency. – Proceedings of the 9^th International Conference on Present-day Problems of Power Engineering. APE'99, Gdansk-Jurata, Poland. 1999, vol.III, pp. 39-44.
• A.Sauhatas,.A.Svalov, K.Brinkis. Automatic devices for prevention and elimination of asynchronous operation in power systems. – Proceedings of the 13^th ?ower Systems Computation Conference PSCC, Trondheim, Norway, 1999, vol.I, pp. 552-560.
• A.Sauhatas., T.Loman., A.Voinovska. Statistical analysis of digital distance protection. – Proceedings of IEEE Power Tech ’99 Conference, Budapest, Hungary, 1999, pp.176-180.
• A.Sauhats, K.Brinkis, A.Svalov. Setting Optimisation of the Automatic for Prevention of the Asynchronous Operation in Power Systems.- Proceedings of IEEE Power Tech'99 Conference, Budapest, Hungary, 1999. pp.71-76.
• A. Sauhatas., T.Loman. Analysis of Distance Measuring Units Operation. - Proceedings of 4^th Intern. Conference CPS2000 Control of ?ower Systems, Bratislava, Slovak Republic, 2000, pp. 248-253.
• A. Sauhats, K. Brinkis, A.Svalovs. Statistical Aproach to Device selection and Efficiency Estimation of the Automation for Preventing Asynchronous Operation in Power Systems. – In: Energetika, Nr.3, ISSN 0235-7208. Lithuania, 2000. pp.20-25.
• Sauhats Antans, Dolgicers Aleksandrs, Svalovs Andrejs. Statistical approach based fault locating algorithms for power transmission lines. - Proceedings of X Miedzynarodowa Konferencija Naukowa "Aktualine Problemy w Elektroenergetyce", Gdansk-Jurata, Poland, 2001,vol.2. pp. 233-238.
• A. Sauhats, A. Jonins, V. Chuvychin, M.Danilova. Fault location algorithms for power transmission lines based on Monte-Carlo method. - Proceedings of IEEE Power Tech. Conference, Portugal, Porto, 2001, 5 p.
• A.Sauhats, J.Gerhards, A.Mahnitko, A.Dolgicers. Statistical Approach-based Fault Locating Algorithms for Power Transmission Lines.- Proceedings of I.Medzinarodne vedecke sympozium. EE2001 Elektroenergetika, Zbornik predna?ok. Slovak Republic,Vysoke Tatry, 2001, pp.221-224.
• A.Sauhats, A.Jonins, M.Danilova .Statistical adaptive algorithms for fault location on power transmission lines based on method of Monte-Carlo.- Proceedings of 7^th Int. Conference on Probabilistic Methods Applied to Power Systems ''PMAPS 2002 " , Naple ,Italy, 2002, vol.II. pp. 485-490.
• A. Sauhats, A.Svalovs. Statistical optimization of a complex of local devices for preventation of out-of-step conditions. - Proceedings of 14^th Power System Computation Conference, Session 22. Sevillia, Spain, 2002. p. 5.
• A.Sauhats, M. Danilova. Fault Distance Estimation Algorithms for Super High Voltage Power Transmission Lines. - Proceedings of IEEE Power Tech Conference, Bologna, Italy, 2003, BPT03-122, 6 pp.
• A. Sauhats, A.Svalovs, I.Svalova. Development of Algorithms for Prevention of Asynchronous Operation in High- Voltage Networks. - Proceedings of IEEE Power Tech Conference, Bologna, Italy, 2003, BPT03-191, 6 pp.

Avocations: Sports (tennis, swimming, basketballs)

Last update 12.01.2004