Profession: Energy Storage, Power Electronics, Power System Design and Analysis, Renewable Energy Integration
Years of
Experience: 5 years
Education: Ph.D., Electrical Engineering/North Carolina State University, USA (2009) Dissertation Title: Control Methods for Energy Storage for Dispatching Intermittent Renewable Energy Sources
M.S., Electric Power Engineering/Chalmers University of Technology, Sweden (2006) Thesis Title: Modeling and Comparison of Synchronous Condenser and SVC
B.S., Electrical and Electronics Engineering/Middle East Technical University, Turkey (2005)
Summary: Dr. S. Teleke is an expert in energy storage, renewable energy integration, power electronic applications to power systems, and power system design and analysis. Mr. Teleke has published more than 20 articles and technical papers in refereed journals and conference proceedings. He is a member of IEEE and IEEE Power and Energy Society. He received the B.S. degree in electrical and electronics engineering from Middle East Technical University, Ankara, in 2005 and the M.S. degree in electric power engineering from Chalmers University of Technology, Gothenburg, in 2006 and the Ph.D. degree in electrical engineering from North Carolina State University, Raleigh, in 2009.
Experience:
06/12 – Present CODA Energy, Los Angeles, CA
Senior Systems Engineer
• Utility Scale Battery Energy Storage
o Performed cycle life calculations for utility scale energy storage based on different storage applications
o Developed test plan to evaluate Li-Ion cell performance for various charge/discharge profiles
o Developed overall system model including power conversion system (PCS) in Matlab/Simulink
o Specified and selected critical safety components for system protection
o Developed requirements and control algorithms for system master controller
o Contributed in bidirectional converter testing
o Developed excel tool to calculate energy storage system (ESS) cycle life, efficiency, cooling requirements under various daily charge/discharge profiles
05/11 – 06/12 CODA Energy, Los Angeles, CA
Grid Interface Engineer
• 48 V Telecom Backup System
o Participated in selecting and evaluating battery management systems
o Specified, selected and purchased critical components for system development
• Utility Scale Battery Energy Storage
o Developed utility scale battery energy storage system specifications and system architecture
o Performed return on investment and cycle life calculations for utility scale energy storage based on different storage applications
o Evaluated different power conversion system (PCS) and fire suppression system options for energy storage
o Developed test plan to evaluate Li-Ion cell performance
o Developed ESS model in Matlab/Simulink
o Participated in System Design and Failure Mode and Effects Analysis (DFMEA)
o Developed control algorithms for the system master controller
o Developed system level test plan
o Contributed in bidirectional converter development efforts
o Assisted in writing proposals that were awarded around $1M
04/10 – 05/11 Quanta Technology, Raleigh, NC
Senior Engineer
• California Energy Commission: Wind-Storage-Enhanced Transmission R & D
o Developed performance and integration specifications for battery energy storage system (BESS) that will be used for mainly contingency support and wind farm curtailment mitigation
o Analyzed and evaluated the impacts of adding storage to the economics of wind generation
o Carry out studies of storage management strategies with different combinations of operational conditions
• ETA SMART Transmission
o Analyzed and evaluated the performance of different transmission system alternatives that was developed to satisfy regional reliability needs, deliver renewable energy from large wind farms & provide expanded access to energy markets throughout the eastern interconnection
o PowerWorld was used to conduct this study
• BC Hydro Performance Specification for BESS
o Developed performance and integration specifications for battery energy storage system (BESS) that will be used for mainly peak shaving application and islanding application
• ABB Energy Storage Application Map and Functional Specifications
o Developed an excel tool to calculate the return on investment for energy storage based on different applications
o Developed a business case for community energy storage
• PEPCO Impact Study of Interconnection of Solar Photovoltaic Distributed Generation
o Developed dynamic models in PSCAD using CYMDIST steady state model
o Performed dynamic simulations in order to assess the impact of PV generation on the existing feeder voltage and voltage control equipment
o Proposed solutions in order to mitigate transient overvoltage occurring on the feeders
• SCE Energy Storage Integration and Commissioning
o Developed performance and integration specifications for battery energy storage system (BESS) that will be used for mainly supporting voltage/grid stabilization, wind farm curtailment mitigation, frequency regulation and arbitrage
• PG&E Investigation of Wind Turbine Failure
o Determined the setback distance between the closest wind turbines to an applicable PG&E transmission facility based upon a wind turbine blade failure
o Performed contingency analysis using PSLF in order to assess the effect of loss of any of the critical lines due to blade throw in the PG&E area
• QES Economic Benefits of Performing Construction and Maintenance on Electrical Facilities while Energized
o Determined economic metrics that quantify the benefits of energized work over de-energized work
o Developed an excel based tool to calculate/quantify the economic benefits of energized transmission line work and demonstrated the tool’s capability with two case studies
• Exelon Generation UAC7B Exciter Model Parameter Identification and Testing
o Determined UAC7B exciter model parameters suitable for dynamic studies and tested the model in PSLF
• Petra Solar Impact Study of Interconnection of Solar Photovoltaic Distributed Generation
o Developed a single phase PV model in PSCAD
o Tested an actual PV inverter and calibrated the PSCAD model to match the actual PV inverter performance
• SDG&E Impact Study of Interconnection of Solar Photovoltaic Distributed Generation
o Developed distribution feeder models including PV generation in PSCAD using SynerGEE steady state feeder models
o Performed dynamic simulations in order to assess the impact of PV generation on the existing feeder voltage and voltage control equipment
o Proposed solutions in order to mitigate transient overvoltage occurring on the feeders
01/10 – 04/10 Quanta Technology, Raleigh, NC
Engineer
• California Energy Commission: Wind-Storage-Enhanced Transmission R & D
o Modeled a specific area in the southern portion of the CAISO system using PSCAD. The modeling included the detailed rep...
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