Dr. AHMET M. HAVA

TÜRKÇE SAYFA: TURKISH

RESEARCH GROUP: GEDAG

CONTACT INFORMATION:

            Middle East Technical University
            Electrical & Electronics Engineering Dept. Room # A 313
            Balgat, Ankara 06531 Turkey

Tel : +90 (312) 210 2377

Fax : +90 (312) 210 1261

E-mail : hava.at.metu.edu.tr

Internet: METU: http://www.metu.edu.tr Personal: http://www.eee.metu.edu.tr/~hava

EDUCATION:

Ph.D., Electrical Engineering; 1998, University of Wisconsin-Madison

M.Sc., Electrical Engineering; 1991, University of Wisconsin-Madison

B.Sc., Electrical Engineering; 1987. Istanbul Technical University

WEEKLY SCHEDULE

FIELDS OF INTEREST:

* Power Electronics

* Electric Power Quality
* Electric Machines
* Electric Motor Drives
* Clean Energy such as Wind Energy, Solar Energy, Fuel Cells, etc.
* Applications of Control Theory to Energy Systems and Industrial Processes
* Engineering Education

TEACHING:

Current Semester:

EE 463 Power Electronics I (Sections 01 and 02) EE463 Home

On learning by doing: learning-cone

Past Years:

EE 569 Special Topics in Power Electronics (Spring 2003, 2004, 2005, 2007, 2008)
EE 464 Power Electronics II (Spring 2004, 2006, 2007, 2008,2009)

EE 463 Power Electronics I (Fall 2003, 2005, 2006, 2007x2, 2008x2)

EE 362 Electromechanical Energy Conversion II (Spring 2003, 2005, 2006)

EE 361 Electromechanical Energy Conversion I (Fall 2005)

EE 282 Introduction to Digital Electronics (Spring 2008)
EE 281 Electrical Circuits (Fall 2002, 2003, 2004x2, 2006)

EXPERIENCE:

Middle East Technical University, Assistant Professor, 9/2002 - Present

Yaskawa Electric America, Inc., Senior R&D Engineer, 11/1997-5/2002

University of Wisconsin-Madison, Graduate Student, Research/Teaching Assistant 1988-1997

Rockwell Automation-Allen Bradley Co. Temp. Engineer 1994-1995

Istanbul Technical University, Teaching Assistant 3/1987-11/1987

SELECTED PUBLICATIONS:

12) O.S. Şentürk and A. M. Hava, “High Performance Harmonic Isolation and Load Voltage Regulation of The Three-phase Series Active Filter Utilizing The Waveform Reconstruction Method,” to appear in IEEE Transactions on Industry Applications, Vol. IA-45, No. 6, pp. 2030-2038, Nov/Dec. 2009.

11) E. Ün and A.M. Hava, “Performance Characteristics Of The Reduced Common Mode Voltage Near State PWM Method,” to appear in EPE Journal, 2009 (Vol 19 no 3, September 2009).

10) E. Demirkutlu and A.M. Hava, “A Scalar Resonant Filter Bank Based Output Voltage Control Method and a Scalar Minimum Switching Loss Discontinuous PWM Method for the Four-leg Inverter Based Three-phase Four-wire Power Supply,” IEEE Transactions on Industry Applications, Vol. IA-45, No. 3, pp. 982-991, May/June 2009.

9) E. Ün and A.M. Hava, “A Near State PWM Method with Reduced Switching Losses and Reduced Common Mode Voltage for Three-Phase Voltage Source Inverters,” IEEE Transactions on Industry Applications, Vol. IA-45, No. 2, pp. 782-793, March/April. 2009.

8) A.M. Hava and E. Ün, “Performance Analysis of Reduced Common Mode Voltage PWM Methods and Comparison with Standard PWM Methods for Three-phase Voltage Source Inverters,” IEEE Transactions on Power Electronics, Vol.24, No. 1, pp. 241-252, January 2009.

7) K. Yamanaka, A.M. Hava, H. Kirino, Y. Tanaka, N. Koga, T.J. Kume, “A Novel Neutral Potential Stabilization Technique Using The Information Of Output Current Polarities and Voltage Vector,” IEEE Transactions on Industry Applications, Vol. IA-38, No. 6, pp. 1572-1580, Nov/Dec. 2002. JP7

6) J.K. Kang, H. Hara, E. Yamamoto, E. Watanabe, A.M. Hava, T.J. Kume, “The Matrix Converter Drive Performance Under Abnormal Input Voltage Conditions,” IEEE Transactions on Power Electronics, Vol.17, pp. 721-730, September 2002. JP6

5) A. M. Hava, S. K. Sul, R. J. Kerkman, T. A. Lipo, “Dynamic Overmodulation Characteristics of Triangle Intersection PWM Methods,” IEEE Transactions on Industry Applications, Vol. IA-35, pp. 896-907, July/Aug. 1999. (Presented at IEEE-IAS’97 Conference, New Orleans, Louisiana, Oct 1997, pp. 1520-1528) JP5

4) A. M. Hava, R. J. Kerkman, T. A. Lipo, “A High Performance Generalized Discontinuous PWM Algorithm,” IEEE Transactions on Industry Applications, Vol. IA-34, pp. 1059-1071, Sept./Oct. 1998. (Presented at IEEE-APEC’97 Conference, Atlanta, Georgia, February 1997, pp. 886-891) JP4

3) A. M. Hava, R. J. Kerkman, T. A. Lipo, “Simple Analytical And Graphical Methods For Carrier Based PWM-VSI Drives,” IEEE Transactions on Power Electronics, Vol.14, pp. 49-61, January 1999. (Presented at IEEE-PESC’97 Conference, St. Louis, Missouri, June 1997, pp. 1462-1471) JP3 Errata sheet JP3errata

2) A. M. Hava, R. J. Kerkman, T. A. Lipo, “Carrier Based PWM-VSI Overmodulation Strategies: Analysis, Comparison, and Design,” IEEE Transactions on Power Electronics, Vol.13, pp. 674-689, July 1998. JP2

1) A. M. Hava, V. Blasko, T. A. Lipo, “A Modified C-Dump Converter for Switched Reluctance Machine Drives,” IEEE Transactions on IndustryApplications, Vol. IA-28, No. 5, September/October 1992, pp. 1017-1022. JP1

FULL LIST OF PUBLICATIONS: publications

PATENTS (All available in PDF format):

1) R. J. Kerkman, D. Leggate, G. Skibinski, A. M. Hava, US Patent, # USP 5,912,813, “Method and apparatus for controlling reflected voltage using a motor controller,” June 15, 1999. PAT1

2) A. M. Hava and R. J. Kerkman, US Patent, # USP 6,023,417 “Generalized Discontinuous Pulse Width Modulator,” February 8, 2000. PAT2

COMPLETED FUNDED RESEARCH PROJECTS:

5) TÜBİTAK EEEAG-104E141 “Üç Fazlı 10 kVA Birleşik Güç Kalitesi Düzelticisinin Geliştirilmesi” 01/07/2005-01/03/2008.

4) TÜBİTAK EEEAG-104E009 “Kesintisiz güç kaynağı güç elektroniği devrelerinin ayrık zamanlı denetimi ve bu denetim sistemlerinin ayrık zamanlı denetim platformunun geliştirilmesi,” 01/07/2004 - 30/06/2007.

3) ODTÜ BAP-2004-07-02-00-120, “Güç doğrultucuları için geniş bantlı harmonik filtrelerinin tasarımı,” 01/01/2004-30/06/2005.

2) A. M. Hava, T. A. Lipo, “Utility Interface Selection Issues for a Variable Speed Wind Turbine Generator System,” US-Windpower/Kenetch Co., Livermore, California, January, 1994.

1) A. M. Hava, T. A. Lipo, “Simulation and Control Algorithm Development of a Double Stator Winding Induction Machine Drive,” Sundstrand Co., Rockford, Illinois, September, 1993.

THESES:

Ph.D. Thesis: December 1998, University of Wisconsin-Madison, Madison, Wisconsin, U.S.A
Thesis Title: Carrier Based PWM-VSI Drives In The Overmodulation Region

M.Sc. Thesis: May 1991, University of Wisconsin-Madison, Madison, Wisconsin, U.S.A
Thesis Title: A Modified C-Dump Converter For Switched Reluctance Machines

B.S. Thesis: February 1987, İstanbul Teknik Üniversitesi, İstanbul, Türkiye
Thesis Title: Hysteresis Motors (In Turkish, Histerezis Motorları)

AWARDS:

The Turkish Ministry of Education (MEGSB) graduate scholarship for MSc and PhD Studies, from 1988-1993.

Second prize paper award of the IEEE-IAS Industrial Power Converter Committee for the paper “A Modified C-Dump Converter for Switched Reluctance Machine Drives,” at the IAS'91 annual meeting, Dearborn, Michigan, Oct. 1991.

IEEE Power Electronics Society, 1999 Transactions Prize Paper Award for the journal publication “Simple Analytical And Graphical Methods For Carrier Based PWM-VSI Drives,” published in IEEE Trans. on Power Electronics, Vol. 14, No. 1, January 1999. PELS-awards

METU Graduate School of Natural and Applied Sciences, Supervision of The Best Thesis (Awarded to Emre Ün for his MSc Thesis), 2009.

AFFILIATIONS:

IEEE Power Electronics Society

IEEE Industry Applications Society

IEEE Industrial Electronics Society
EMO Elektrik Mühendisleri Odası

PERSONAL LINKS:

I obtained my Ph.D. from University of Wisconsin-Madison Department of Electrical and Computer Engineering and I was a member of WEMPEC.

You can download my PhD Thesis in PDF format: hava-phd-thesis

I was employed at Rockwell Automation-Allen Bradley Inc. and later at Yaskawa Electric America Inc. and collaborated with Yaskawa Electric Co. of Japan.

SOME INTERESTING LINKS

Scientific American Magazine: www.sciam.com
Your Internet Doctor: www.webmd.com

Radio Energy (I am Energy!) ENERGY_FM_92.7
Amazon Bookstore: www.amazon.co

Barnes & Noble Bookstore: www.barnesandnoble.com

Information about Turkey: TÜRKİYE
Information about Ankara: ANKARA

Türk Dil Kurumu: TDK

İngilizce-Türkçe Sözlük: B.Sankur-Sözlük
IEEE Society: IEEE
IEE Society: IEE

Google Scholar: GS

TMMOB Elektrik Mühendisleri Odası: EMO

ETMD ( Elektrik Tesisat Mühendisleri Derneği )

ASEE Prism Magazine: PRISM

Türk Patent Enstitüsü: TPE
Motion Control Magazine: Motion

Power Quality News PQ Magazine
Power Electronics Technology Magazine: PET

MY POWER ELECTRONICS HOMEPAGE

Here you will find some information and link to resources on power electronics.

GOOD THINGS ON POWER ELECTRONICS

Turkish companies involved in manufacturing electric power engineering products

FABRIKALAR

My Graduate Students and Their Theses, Suggestions for Prospect Thesis Students

PROSPECT GRADUATE STUDENTS:

For ambitious students I will supervise Msc/PhD Theses in a wide research area.

For comprehensive information on my masters thesis supervision visit the following link: Yüksek lisans

For PhD candidates: PhD

PRESENT:

Nebi Onur Çetin (MSc, continuing): Common Mode Currents in AC Motor Drives

Hasan Hüseyin Eroğlu (MSc, continuing): Power Electronics

Ufuk Ayhan (MSc, continuing): Motor Control

Celil Yağız (MSc, continuing): Power Supply Design

PAST:

12) Mehmet Can Kaya: (MSc, graduated in September 2008) Title: Design, Implementation, and Control of a Two–stage AC/DC Isolated Power Supply with High Input Power Factor and High Efficiency

11) Fuat Onur Bağlan: (MSc, graduated in August 2008) Title: Design of an Educational Purpose Multifunctional DC/DC Converter Board

10) Ömer Göksu (MSc, graduated in May 2008) Title: Shaft Transducerless Vector Control of The Interıor Permanent Magnet Motor with Speed and Position Estimation Using High Frequency Signal Injection and Flux Observer Methods Now at Aalborg University (IET)

9) Emre Ün (MSc, graduated in November 2007) Title: Common Mode Voltage and Current Reduction in Voltage Source Inverter Driven Three Phase AC Motors (METU Best Thesis Award Winner, METU Graduate School of Natural and Applied Sciences, Awarded in 2009)

8) Osman Selçuk Şentürk (MSc, graduated in September 2007) Title: Series Active Fılter Design, Control, and Implementation with a Novel Load Voltage Harmonic Extraction Method Now at Aalborg University (IET)

7) Hasan Özkaya (MSc, graduated in June 2007) Title: Parallel Active Filter Design, Control, and Implementation

6) Eyyüp Demirkutlu: (MSc, graduated in 2006) Title: Output Voltage Control of a Four-leg Inverter Based Three-phase UPS By Means of Stationary Frame Resonant Filter Bank

5) Süleyman Çetinkaya: (MSc, graduated in 2006) Title: Repetitive Control of a Three Phase Uninterruptible Power Supply With Isolation Transformer

4) Mutlu Uslu: (MSc, graduated in 2006) Title: Analysis, Design, and Implementation of a 5 kW Zero Voltage Switching Phase-shifted Full-bridge DC/DC Converter Based Power Supply for Arc Welding Machines

3) Bülent Üstüntepe: (MSc, graduated in 2005), Title: A Novel Two-Parameter Modulation and Neutral Point Potential
Control Method For The Three-Level Neutral Point Clamped Inverter

2) Hazem Zubi: (MSc, graduated in 2005), Title: Broadband Harmonic Filter Design for Rectifiers

1) Bilge Şimşir: (MSc, graduated in 2005), Title: Analysis, Design and Implementation a Two-switch Single-phase Electronic Line Voltage Regulator

VITAL FOR GRAD STUDENTS:

The following website gives plenty of good advice to make graduate school life better both for the student and the advisor.

GRAD_STUDENT_INFO

Do You Intend To Pursue a PhD Degree?

Think again! Read the following and reconsider! Everything-you-wanted-to-know-and-you-were-afraid-to-ask...

Communication skills are VITAL for all students and professionals...
To get help on how to make an effective presentation visit the following site: effective-presentation-techniques

How to write a paper (link from TÜBİTAK): how to write a paper by ROBERT A. DAY

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