Yakov L. Familiant
5030 W. Radcliffe Dr. Brown Deer, WI 53223 Cell: +7 (778) 111-4794 [email protected]
SUMMARY Over ten years of experience working for academia, industry, and government in the field of power electronics and motor drives.
EDUCATION Ph.D., Electrical Engineering, University of Wisconsin-Milwaukee, May 2006 Dissertation title: Ac Impedance Measurement Techniques M.S., Electrical Engineering, University of Wisconsin-Milwaukee, May 2001 Thesis title: A New Cascaded Multi-Level H-Bridge Drive B.S., Electrical Engineering, Northwest Technological University, St. Petersburg, Russia, 1995 High Military Engineering College, St. Petersburg, Russia, 1993
TECHNICAL SKILLS Software Simulation Tool Experience: Matlab/Simulink, Mathcad, Simplorer, PSim, Saber Software Experience: VHDL, Basic, C, Fortran
EXPERIENCE Nazarbayev University –Astana, Republic of Kazakhstan, School of Science and Technology, Department of Robotics and Mechatronics August 2014 – present, Assistant Professor Responsible for teaching undergraduate and graduate students Development of Research and Teaching laboratories Propose and conduct research for Governmental and commercial organizations
Eaton Corporation – Milwaukee WI, Innovation Center, PSA group January 2008 – July 2014, Lead Engineer ● Responsible for development of new product concepts, technologies in area of industrial motor drives, electrical energy storages for aerospace, vehicle and microgrid applications, Data Center power converters, UPSs and power distribution. ○ Simulation and control development for Three-phase resonant rectifier ○ Control algorithm development, simulation and lab testing IGBT STATCOM converter ○ NI sbRIO based control and IEC61850 communication development for Smart Grid IEDs. ● Technically support ongoing projects for Business Unit. ● Co-author of several White Papers and Government Proposals. Yakov L. Familiant
5030 W. Radcliffe Dr. Brown Deer, WI 53223 Cell: +7 (778) 111-4794 [email protected]
US Naval Research Laboratory – Washington DC, Electronics Science & Technology, Power Electronics, Code 6881 January 2007 – January 2008, Research Associate (post-doc) ● Evaluated SiC technology in power electronics converters. ● Developed, constructed and tested a fully SiC current-source converter. ● Responsible for in-circuit device tests.
University of Wisconsin – Madison, Department of Electrical Engineering January 2006 – January 2007, Research Associate (post-doc) ● Simulation of multi-level converters (DARPA SiC WBG HPE SSPS project). ● Development of a multi-level CSI (Boeing) and VSI (L3-Comm).
University of Missouri - Rolla, Department of Electrical Engineering August 2004 – December 2005, Independent Consultant ● Development of impedance measurement techniques for ac power systems. ● Laboratory validation of ac impedance measurement. ○ Current injection by IGBT inverter ○ Wound Rotor IM injection method
University of Wisconsin - Milwaukee, Department of Electrical Engineering August 1999 - August 2004, Graduate Project Assistant ● Multi-level inverter PWM implementation on a DSP/CPLD system. ● IGBT and IGCT parameter characterization (1700V – 6500V) (NAVY). ● Detailed motor drive and power system simulation using ACSL, ACSLXtreme, Matlab, Saber and Simplorer. ● Designed and constructed 70kW SCR rectifier for F-22 (sponsored by the U.S. Air Force). ● Independent consultant on NAVY project on back-to-back multi-level rectifier- inverter (three-levels) system (developed at Purdue University, Lafayette, IN). ● IGBT model characterization (developed for Newport News Shipyard). HONORS AND ● Developed gate driver board for IGBTs (CT-Concept modules) AWARDS
CITIZENSHIP Bucyrus International, January 2004 - December 2004, Independent Consultant
LANGUAGES ● Simulation and development of novel controlled rectifiers. ● Programming of CPLD logic for rectifier firing control. Yakov L. Familiant
5030 W. Radcliffe Dr. Brown Deer, WI 53223 Cell: +7 (778) 111-4794 [email protected]
UWM Chancellor Scholarship, 2003-2004
US Citizen
English and Russian References available upon request Publications:
1. K.A. Corzine, F.A. Hardrick, and Y.L. Familiant, "A Cascaded Multi-Level H-Bridge Inverter Utilizing Capacitor Voltages Sources," Proceeding (379) Power and Energy Systems - 2003.
Abstract This paper presents a new control method for the cascaded H-bridge multi-level inverter. It is shown that through suitable control of the inverter states, several of the isolated dc voltage sources can be replaced by capacitor sources. Although the proposed method results in a slight reduction in voltage levels, only one isolated dc source per phase is required. This reduces the inverter cost and complexity. This new method is first applied to the traditional cascaded H-bridge inverter for two and three cells per phase. The control is then applied to an inverter with multi-level cells. A joint-phase redundancy technique is also explored for extending the power quality of the proposed technique. Simulation and laboratory results demonstrate the new concept.
2. Y.L. Familiant, K.A. Corzine, J. Huang, and M. Belkhayat, "Ac Impedance Measurement Techniques," Proceedings of the IEEE Electric Machines and Drive Conference, May 2005. (Dissertation topic, UW-Milwaukee)
Abstract Naval ships as well as aerospace power systems are incorporating a greater degree of power electronic switching sources and loads. Although these power electronics based components provide exceptional performance, they are prone to instability due to their high efficiency and constant power characteristics which lead to negative impedance. When designing these systems, integrators must consider the impedance versus frequency at a system interface (which designates source and load). Stability criterions have been developed in terms of source and load impedance for both dc and ac systems and it is often helpful to have techniques for impedance measurement. For dc systems, the measurement techniques have been well established. This paper suggests several methods for measuring ac impedance including utilization of power converters, induction machines and chopper circuits. Simulation results on an example ac system demonstrate the effectiveness of the proposed methods.
3. X. Kou, K.A. Corzine, and Y.L. Familiant, "A Unique Fault-Tolerant Design for Flying Capacitor Multilevel Inverters," IEEE Transactions on Power Electronics, volume 19, number 4, pages 979-987, July 2004. Yakov L. Familiant
5030 W. Radcliffe Dr. Brown Deer, WI 53223 Cell: +7 (778) 111-4794 [email protected]
Abstract This paper presents a unique design for flying capacitor type multilevel inverters with fault-tolerant features. When a single-switch fault per phase occurs, the new design can still provide the same number of converting levels by shorting the fault power semiconductors and reconfiguring the gate controls. The most attractive point of the proposed design is that it can undertake the single-switch fault per phase without sacrificing power converting quality. Future more, if multiple faults occur in different phases and each phase have only one fault switch, the proposed design can still conditionally provide consistent voltage converting levels. This paper will also discuss the capacitor balancing approach under fault-conditions, which is an essential part of controlling flying capacitor type multilevel inverters. Suggested fault diagnosing methods are also discussed in this paper. Computer simulation and lab results validate the proposed controls.
4. B. Diong, K.A. Corzine, S. Basireddy, and Y.L. Familiant, "Multilevel Inverters With Equal or Unequal Sources," Proceedings of the IEEE Applied Power Electronics Conference, February 2004.
Abstract Most existing power supplies for induction heating equipment produce voltage at a single (adjustable) frequency. Recently, however, induction heating power supplies that produce voltage at two (adjustable) frequencies have been researched and even commercialized. Dual-frequency power supplies are a significant development for heat-treating workpieces with uneven geometries, such as gears, since different portions of such workpieces are heated dissimilarly at a single frequency and so require a two step process using a single-frequency power supply. On the other hand, a dual-frequency power supply can achieve the desired result for such workpieces in a one step process. This paper proposes the use of multilevel converters for providing induction heating power at two frequencies simultaneously, which may achieve higher efficiency, improved control, reduced electromagnetic interference and greater reliability than existing dual-frequency power supplies. It also describes how the stepping angles for the desired output from such converters can be determined for both the equal and unequal source cases. Furthermore, experimental results are presented as a verification of the analysis.
5. X. Kou, K.A. Corzine, and Y.L. Familiant, "Full Binary Combination Schema for Floating Voltage Source Multi-Level Inverters," IEEE Transactions on Power Electronics, volume 17, number 6, November 2002.
Abstract This paper presents schema of operation for floating voltage source multilevel inverters. The primary advantage of the proposed schema is that the number of voltage levels (and thus power quality) can be increased for a given number of semiconductor devices when compared to the conventional "flying capacitor" topology. However, the new schema requires fixed floating sources instead of capacitors and therefore is more suitable for battery power applications such as electric vehicles, flexible AC transmission systems and submarine propulsion. Alternatively Yakov L. Familiant
5030 W. Radcliffe Dr. Brown Deer, WI 53223 Cell: +7 (778) 111-4794 [email protected]
transformer/rectifier circuits may be used to supply the floating sources in a similar way to cascaded H-bridge inverters. Computer simulation results are presented for 4-level, 8-level, and 16-level inverter topologies. A 4-level laboratory test verifies the proposed method.
6. K.A. Corzine and Y.L. Familiant, "A New Cascaded Multi-Level H-Bridge Drive," IEEE Transactions on Power Electronics, volume 17, number 1, pages 125-131, January 2002.
Abstract In this paper, a general structure for cascaded power converters is presented in which any number of H-bridge cells having any number of voltage levels are series connected to form an inverter phase leg. Equations are introduced for determining an optimal voltage ratio of DC voltages for the H-bridge cells which will maximize the number of voltage levels obtainable resulting in high power quality. Special cases of the generalized inverter are presented including novel 11-level and 15-level inverters. Laboratory measurements demonstrate the proposed inverter performance.
7. Familiant, Y.L.; Holmes, D.G.; Lipo, T.A.; McGrath, B.P., “A General Modulation Strategy for a Five-level Three-Phase Current Source Inverter with Regulated Intermediate DC Link Currents” Industry Applications Conference, 2007. 42nd IAS Annual Meeting. Conference Record of the 2007 IEEE
Abstract Multilevel converters use series/paralleled semiconductor switching devices to synthesise switched waveforms at power levels that are well above individual device ratings. To date, most multilevel inverter research has focused on voltage source structures, primarily because these topologies address the more common high power converter limiting factor of device voltage ratings. However, multilevel current source converters can have advantages in lower voltage, very high current applications, or in situations where, despite their higher losses, DC inductors have reliability benefits compared to electrolytic capacitors.