电气学院学术报告

Namn:                  Chandur Sadarangani

June 1969            BSc (honors) Electrical Engineering

UMIST, Manchester

May 1979            PhD , University of Chalmers

                     Gothenburg, Sweden

PROFESSIONAL  EXPERIENCE

Employment:

Feb. 70 – Dec. 70       Work-study Engineer, Phillips Mullards, Blackburn, England        

Oct. 79 – Sept. 84   Design Engineer, ABB Motors, Västerås, Sweden        

Oct. 84 – Sept. 92   Research Engineer, ABB Corporate Research, Västerås, Sweden

Oct. 1992- Present       Consultant Adviser, ABB Corporate Research, Västerås, Sweden

Aug. 1992- Present Professor Electrical Machines and Drives, Kungliga Tekniska Högskolan ( KTH ), Stockholm, Sweden

Other Activities:

1992- Present              Member of the Swedish Standardising Committee (SEK) for Rotating Machines

1992- present              Member of the Cigre Working Group Committee WG 11-6             

June 1995            Member of the Steering Committee of the Stockholm Power

                     Tech Conference, Stockholm

MAJOR  AWARDS

May 1991                    Appointed Senior Scientist in Electrical Machines and Drives at ABB Corporate Research, Västerås, Sweden

Aug. 1992                    Awarded a chair in Electrical Machines and Drives at Kungliga Tekniska Högskolan ( KTH ), Stockholm, Sweden

RESEARCH

Publications

A.     Books and Thesis

1.                  C. Sadarangani, “ Electrical Machines – Design and Analysis of Induction and Permanent Magnet Motors “,  KTH, Stockholm, Aug 2000.

2.         C. Sadarangani, “ Contribution to the Analysis of Magnetic Field Problems in Electrical Machines”, PhD Thesis, Technical Report 89, May 1979, CTH.

B.     Conference Papers

1.                  L. Gertmar, C. Sadarangani, “ On Modelling, Design and Measurements of Inverter-Fed High Speed Induction Machine”, Proc. Conference on High Speed Technology, Lappeeranta, Finland, pp 266-277, 1988.

2.                  L. Gertmar, C. Sadarangani, “ Rotor Design for Inverter-Fed High Speed Machines “, Proc. EPE Conference 1989 (pp. 51-56).

3.                  H-P Nee, C. Sadarangani, “ The influence of Load and Rotor Slot Design on Harmonic Losses of Inverter-Fed Induction Motors “, IEE, Proc. Conference on Electrical Machines and Drives, Oxford 8-10 Sept. 1993, pp. 173-178.

4.                    S. Alahakoon, K. Walgama, C.Sadarangani, M. Leksell, “ Digital Control of Active Magnetic Bearings for Precise Eccentric Rotor Position “, Proc. 5th  International. Symposium on Magnetic Bearings, Kanazawa, Japan, August 1996, pp 43-47.

5.                    K. Maliti, C. Sadarangani, “ Modelling Magnetic Noise in Induction Machines “, IEE 8th International Conference on Electrical Machines and Drives EMD’97, Cambridge, England, Aug. 1997.

6.                    T. Bäckström, C. Sadarangani, S. Östlund, “ Integrated Energy Transducer for Hybrid Electric Vehicles”, IEE 8th International Conference on Electrical Machines and Drives EMD’97, Cambridge, Aug. 1997.

7.                    T. Bäckström, C. Sadarangani, S. Östlund, “ Integrated Energy Transducer for Hybrid Electric Vehicles “, 7th European Conference on Power Electronics EPE’97, Trondheim, Norway, Sept. 1997.

8.                    S. Alahakoon, K. Walgama, C. Sadarangani, M. Leksell, “ Modelling and Control of Active Magnetic Bearing Actuator with Matlab Based Software Environment “, Nordic Matlab Conference 97, Stockholm, Sweden, Oct. 1997.

9.                    T. Bäckström, H. Engströmer, S. Östlund, C. Sadarangani, “ Control of the Integrated Energy Transducer Drive for Hybrid Electric Vehicles “, 14th International Electric Vehicle Symposium EVS-14, Orlando, Florida, USA, Dec. 1997.

10.                  K. Maliti, C. Sadarangani, “ The Contribution of Eccentricity to Acoustic Noise in Induction Motors “,  Bethune, France, May 1998.

11.                 K. Maliti, C. Sadarangani, “ Acoustic Noise and Eccentricity in Induction Motors “, ICEM’98, Istanbul, Turkey, Sept. 1998

12.                 T. Bäckström, C. Sadarangani, “ Novel Concept for Hybrid Electric Parallel Drives, ICEET’99, Dae es Salaam, Tanzania, Sept. 1999.

13.                 R. Eriksson, C.Sadarangani, “ A Competence Centre in Electric Power Engineering”, ICEET’99, Dar es Salaam, Sept. 1999.

14.                 C. Sadarangani, K. Maliti, “ New Areas of Research in Electrical Machines and Drives, ICEET’99, Dar es Salaam, Sept. 1999.

15.                 W. Arshad, K. Maliti, C. Sadarangani, “ On the Use of Soft Magnetic Composite (SMC) Iron Powder Materials in Induction Machines”, ICEET’99, Dar es Salaam, Tanzania, Sept. 1999.

16.                 G. Demetriades, P. Ranstad, C. Sadarangani, “ Three Elements Resonant Converter: The LCC Topology by Using MATLAB”, PESC 2000 Ireland, Vol. 2, pp. 1077-1083, June 2000.

17.                 F. Carlsson, B. Widell, C. Sadarangani, “ Ride-through Investigations for a Hot Rolling Mill Process”, International Conference on Power System Technology, Perth, Australia, Dec. 2000.

18.                 W. Arshad, Y.K. Chin, T. Bäckström, J. Soulard, S. Östlund, C. Sadarangani, “ On finding Compact Motor Solutions for Transient Applications “, Proceedings of the International Electrical Machines and Drives Conference (IEMDC), Boston, USA, June 2001.

19.                 W. Arshad,  T. Bäckström, C. Sadarangani, “ Analytical Design and Analysis Procedure for a Transverse Flux Machine “, Proceedings of the International Electrical Machines and Drives Conference (IEMDC), Boston, USA, June 2001.

20.                 W. Qiang,  C. Sadarangani, T. Bäckström,  “ A Novel Drive Strategy for Hybrid Electric Vehicles “, Proceedings of the International Electrical Machines and Drives Conference (IEMDC), Boston, USA, June 2001.

21.                 F. Carlsson, C. Sadarangani, B. Widell, “ Impact of Voltage Sags on a Blast Furnace Process “, Proceedings CIGRE Symposium, KTH, Stockholm, Sweden, June 2001

22.                 F. Carlsson, B. Widell, C. Sadarangani, “ “, Proceedings of the Electro Motion Symposium 2001, Bologna, Italy, June 2001.

23.                 Y.K. Chin, W. Arshad, T. Bäckström, C. Sadarangani, “ Design of a Compact BLDC motor for Transient Applications “, Proceedings of the European Conference on Power Electronics (EPE), Graz, Austria, August 2001.

24.                 F. Carlsson, J. Engström, C. Sadarangani, “ Simulation of a Synchronous Machine affected by Voltage Sags “, Proceedings of the European Conference on Power Electronics (EPE), Graz, Austria, August 2001

25.                 F. Carlsson, J. Engström, C. Sadarangani, “ Ride-through Investigations for a Cold Rolling Mill Process “, Proceedings of the International Conference on Electrical Engineering Technology (ICEET01), Dar es Salaam, Tanzania, Sept. 2001

26.              M. Cirani, C. Sadarangani, P. Thelin, ’ Analysis of an innovative design of an axial flux Torus machine ’, Proceedings International Conference on Electrical Machines, ICEM 2002, Brugge, Belgium, August 2002.

27.       S. Chatelet, C. Sadarangani, P. Thelin, ’ Test bench for Electromagnetic Energy Tranducer in Hybrid Electric Vehicles ’, Proceedings of the Nordic Workshop on Power and Industrial Electronics ( NORpie), Stockholm, Sweden, August 2002.

28.       M. Cirani, P. Thelin, C. Sadarangani  ’ Design proceedure for an AFPM machine for field-weakening applications ’, Proceedings of the Nordic Workshop on Power and Industrial Electronics ( NORpie), Stockholm, Sweden, August 2002.

29.       F. Magnussen, C. Sadarangani  ’ Electromagnetic transducer for hybrid electric vehicle ’, Proceedings of the Nordic Workshop on Power and Industrial Electronics ( NORpie), Stockholm, Sweden, August 2002.

30.       E. Nordlund, C. Sadarangani ’ Four quadrant energy transducer for hybrid electric vehicle ’, Proceedings International Conference on Electrical Machines, ICEM 2002, Brugge, Belgium, August 2002.

31.       E. Nordlund, C. Sadarangani  ’ Four quadrant energy transducer for hybrid Electric Vehicle-simulations and system description ’, EVS19, October 2002, Busan, Korea.

32.       E. Nordlund, C. Sadarangani  ’ The four quadrant energy transducer ’, IEEE (IAS) , October 2002, Pittsburgh, USA.

33.       S. Chatelet, C. Sadarangani  ’ Four quadrant energy transducer test bench ’, EVS19, October 2002, Busan, Korea.

34.                S. Eriksson, C. Sadarangani  ’ A four quadrant hybrid electric drive system ’, Proceedings of the IEE Vehicular Technology Conference, September 2002, Vancouver, Canada.

35.                W. M. Arshad, T. Bäckström, P. Thelin and C. Sadarangani, “ Integrated Free-Piston Generators: An Overview “ , Proceedings of the Nordic Workshop on Power and Industrial Electronics (NORpie), Stockholm, Sweden, August 2002.

36.                W. M. Arshad, T. Bäckström and C. Sadarangani, “ Investigating a Transverse Flux Machine with Intermediate Poles “, Proceedings of the IEE International conference on Power Electronics and Electrical Machines (PEMD), Bath, United Kingdom, April 2002.

37.                 F. Carlsson, H-. P. Nee and C. Sadarangani, “ Analysis of peak Torque of Line-operated synchronous Machines subjected to symmetrical Voltage Sags “ , Procedings of the IEE International conference on Power Electronics and

 Electrical Machines (PEMD), Bath, United Kingdom, April 2002.

C.     Patents

1.    C. Sadarangani, Pat. Nr. 88036652, “ Convertor Motor with Bridges “, 1989

2.                  C. Sadarangani, C. Fröling, M. Johansson, Pat. Nr. 8803518, “ Convertor Motor with Slits “, 1989.

3.                  C. Sadarangani, L. Gertmar , Pat. Nr.  90012303,  “ Squirrel-Cage Induction Motor “, 1990

4.                  C. Sadarangani, J. P. Zinck, L. Gertmar, B. Rydholm, Pat. Nr. 91010264, “ Internal Cooling of Rotors “, 1991

5.                  C. Sadarangani, S. Östlund, T. Bäckström, Pat. Nr. 95030433, “ Hybrid Drive System “, 1995

6.                  C. Sadarangani, S. Östlund, T. Bäckström, A. Malmquist, N. Berg, S. Eriksson, Pat. Nr. 98042617,  “ Energy Converter with Double Rotors and Windings “, 1998.

7.                  C. Sadarangani. “ Axial-axial 4QT concept with concentric pole windings ‘, Pat. Nr. 00030510, 2002.

D.     Research Students

PhD student

1.         Thomas Larsson, Tech. Lic., Dec. 1994, “ Design and Evaluation of an Active DC Link Filter for AC Traction Drives “.

2.                  Jan Boivie, Tech. Lic., May 1995, “ Losses in a Small Switched  Reluctance Machine “.

3.                  Ola Aglen, Tech. Lic., Dec. 1995, “ Calorimetric Measurements of Losses in Induction Motors “.

4.                  Urban Herslöf, Tech. Lic., Feb 1996, “ Design, Analysis and Verification of a Line Start Permanent Magnet Synchronous Motor “.

5.                  Hans-Peter Nee, PhD, May 1996, “ On Rotor Slot Design and Harmonic Phenomena of Inverter-Fed Induction Motors “.

6.                  James Msekela, PhD, June 1997, “ Development and Analysis of a High Speed Homopolar Machine “.

7.                  Lennart Harnefors, PhD, Oct. 1997, “ On Analysis, Control and Estimation of Variable Speed Drives “.

8.                  Peter Thelin, Tech. Lic., June 1999, “ Integration Aspects and Development of a Compact 15 kW PM Integral Motor “.

9.                  Peter Kjellqvist, Tech. Lic., June 1999, “ Electromechanical Actuators for Active Lateral Suspension  in Rail Vehicles “.

10.              Anders Malmqvist, PhD, June 1999, “ Analysis of a Gas Turbine Driven Hybrid Drive System for Heavy Vehicles “.

11.              Eckart Nipp, PhD, June 1999, “ Permanent Magnet Motor Drives with Switched Stator Windings “

12.              Sanath Alahakoon, PhD, May 2000, “ Digital Motion Control Techniques for Electrical Drives “.

13.              Kelvin Maliti, PhD, May 2000, “ Modelling and Analysis of Magnetic Noise in Squirrel-cage Induction Motors “.

14.              Louis Lefevre, Tech. Lic. , June 2000, “ Design of Line-Start Permanent Magnet Synchronous Motors using Analytical and Finite Element Analysis “.

15.              Thomas Bäckström, PhD, June 2000, “ Integrated Energy Transducer Drive for Hybrid Electric Vehicles “

16.              Peethamparam Anpalahan, Tech. Lic., March 2001, “ Design of Transverse Flux Machines using Analytical Calculations and Finite Element Analysis “.

17.              Fredrik Carlsson, Tech. Lic., April 2001, “ Impacts of Voltage Sags on Metal Processes “.

18.              Jörgen Engström, PhD, June 2001, “ Analysis and Verification of a Slotless Permanent Magnet Motor for High Speed Applications “.

19.              Peter Thelin, PhD, May 2002, “ Designing and Evaluation of a Compact 15 kW PM Integral Motor “.

20.               Maddalena Cirani, Tech. Lic.,June 2002, “ Analysis of an Innovative design of an axial flux Torus-machine “.

Master Students

19                Anna Theander, Dec. 1994, “ Integrerad Energiomvandlare med Motor/Generator Funktioner för Hybridfordon“.

20                Thomam Korsell, June 1995, “ Mätprincip för Magnetisk Kvalitetskontrol av Statorplåtpaket“.

21                Björn Becker, Jan. 1996, “ Active Magnetic bearings in Traction Applications “.

22                Henrik Engströmer, Dec. 1996, “ Control of an Integrated Energy Transducer for Hybrid Electric Vehicles “.

23                Daniel Karlsson, Feb. 1997, “ Design and Construction of a 12-pulse LCI system, part 1 “.

24                Peter Taube, Feb. 1997, “ Sensorless Adaptive Control of Permanent Magnet Synchronous Motor “

25                Erik Sandqvist, March 1997, “ Design and Construction of a 12-pulse LCI system, part 2 “.

26                Andread Råvik,  April 1997, “ Simulation Platform for the Control of Electric Motors “.

27                Erik Norberg, Jan. 1998, “ Semiconductor Switched Stator Windings for Vehicle Drive “.

28                Karsten Kretchmar,  Jan. 1998, “ Power Electronics for a Permanent Magnet Synchronous Motor “.

29                Lars Nilsson, April 1998, “ High Power DC/DC Converter “.

30                Per-Erik Jonsson, June 1998, “ Soft- Start for PM Synchronous Motors “.

31                Oltunc Ozgur,  Jan. 1999, “ Stray Losses in Induction Machines“.