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Education

Professional Details

1. Associate Professor, Indian Institute of Science, Bangalore, India: October 2021 - Till Date 
2. Assistant Professor, Indian Institute of Science, Bangalore, India: 27 March 2015 - October 2021 
3. Post-Doctoral Research Scholar, Oakridge National Laboratory, Oakridge, USA: 3 March 2014 - 5 March 2015 
   1. "Faster than Real-Time Simulations of Large Power System Dynamics"
      • Implemented "Parareal in Time" algorithms for transient stability simulations of large power systems in MATLAB and FORTRAN.
      • Developed models for fast approximation of time trajectory using Decomposition Methods
   2. "Real-time Test bed for Microgrid Controls"
      • Developed models for Diesel-Generator sets in RTDS (Real Time Digital Simulator)
      • Development of RTDS Microgrid Test bed including detailed load models and dynamic loads.
4. Post-Doctoral Research Scholar, Texas A&M University (TAMU), College Station, USA: 15 May 2012 - 15 DEC 2013
   • Proposed four new applications for future EMS
   • Online Protection adequacy checking and relay testing 
   • Dynamic System Integrity Protection Schemes 
   • Renewable Coordinator: Enabling Renewables, Electric Vehicles, and Storage Grid integration 
   • Online coordinated Oscillation Damping and Voltage Controllers tuning
   • Proposed a completely new EMS design platform called Virtual EMS design platform harnessing the potential of cloud-based storage & high-performance cloud computing with virtual 3D display technologies 
   • Proposed the development of a next generation (Remote terminal unit) RTU with the fusion of various measurement technologies and relaying capabilities.
1. "Robust Adaptive Topology Control (RATC)" ARPA-E funded, Green Electricity Network Integration (GENI) project. University Collaborators: Texas A&M (TAMU), Arizona State University (ASU) and University of California Berkeley (UCB). Industry Collaborators: Lawrence Livermore & Oakridge National Labs. Tennessee Valley Authority (TVA), TELCORDIA
   • Coordinating the team at TAMU, identifying the research needs, planning the tasks to meet the project deliverables, training four fresh Ph.D. students for quick contribution to the project. 
   • Development of a fast and feasible implementation framework for topology control technology. 
   • Contributed to the RATC deployment architecture and data layer requirements reports.Coordination of research on three topics which facilitate reliable RATC implementation at substations
     1. Fast Distance Relay Settings Calculation: The aim is to develop distance relay settings calculation approaches faster than the commercial software CAPE
        • Worked on the development of a parallel computing architecture for distance relay settings calculation which can best utilize the capabilities of open source sparse solvers. 
        • Worked on Diakoptics based algorithm for parallel bus impedance matrix calculations. 
        • Developed short circuit programs using sparsity approaches. The programs can accommodate all types of network modifications including mutual coupling.
        • Mentored one fresh Ph.D. student for evaluation of various parallel sparse solvers (UMFPACK, CHOLMOD, PARDISO, etc.) and conversion of the developed programs to Java platform for large system data. 
     2. Circuit Breaker (CB) Condition Assessment: For successful implementation of Topology control CBs condition need to be assessed prior to every switching action. 
        • Worked on a framework developed for assessing the reliability of CBs involved in switching action in a substation using condition-based monitoring data.
        • Trained a fresh Ph.D. student in developing a Risk analysis framework using power system security indices for maintenance prioritization. 
        • Mentored the student in the development of a framework to quantify the risk associated with multiple switching sequences.
        • Worked on the stability and AC feasibility assessment of switching sequences. 
     3. Cascade Event Detection: This task is devoted to the development of techniques for detecting relay miss operations leading to cascade events
        • Worked on the development of an automated software tool for cascading scenarios creation and automated fault creation programs using OCTAVE and ATP-EMTP.
        • Developed electromagnetic transient models of IEEE 118 and IEEE 73 bus systems in ATP-DRAW. These tools have been used to create hundreds of faulted and un-faulted cases automatically. 
        • Worked on the development of a hardware setup for validating the created cascade scenarios on physical relays. 
        • Trained two new Ph.D. students in this software development. The developed codes are being converted to Java platform.
2. "The Next Generation Energy Management System Design" This is a PSERC funded project. This project proposes requirements for the next generation Energy Management Systems (EMS)
5. Research Engineer, GE Global Research, Bangalore, India:  Feb 2010 - May 2012
   1. "Weak Grid Integration of Wind Turbines": Lead researcher on the project, the primary focus is on weak grid integration of PMSG wind turbines.
      • Developed and validated new control concepts for PMSG based full converter 2.5MW wind turbines. 
      • Accurate electrical models have been developed to study grid integration aspects in PSCAD and SIMULINK.
      • Evaluated impact of the developed controllers on flicker and turbine loads. 
   2. "Real-time HIL Wind Plant Lab": Lead researcher on the project. 
      • Developed a Multi-turbine simulation platform using OPAL-RT. This involves interfacing PLC turbine controllers to OPAL-RT, customized code development in Opal-Rt for interfacing, modeling of turbines and grid interfaces. 
      • A 5 turbine plant simulator is developed and extensively used for studying frequency response, voltage regulation, stability studies, etc. 
   3. "Frequency Control of Wind turbines": Lead researcher on the project. In this project reviewed the frequency control strategies for DFIG based wind turbines and developed models in SIMULINK for studying various frequency control features of GE wind turbines. Various inertial response controllers have been analyzed for DFIG turbines. 
   4. "Offshore Grid Integration": Lead researcher on the project. The objective of the project is to understand the control capabilities of GE 2.75MW wind turbines for offshore integration. 
      • Developed analytical methods for the compensation design of very long distance AC transmission. 
      • Developed PSCAD and SIMULINK models of the PMSG converter controls from the GE actual product code. The developed models are validated with the product code responses. 
      • Impact of compensation design on network resonances, LVRT capabilities, flicker, etc have been thoroughly studied as part of the project.
   5. "Series Compensation and Impact on Turbine Controls": Lead contributor to the project proposal. Lead researcher on the project. This study is essentially targeted to identify the impacts of series compensation on the performance of the GE 1.5 DFIG based wind turbines. 
      • Developed models of DFIG turbines suitable for sub-synchronous resonance studies. 
      • Modeled various wind farms distribution network models to study the impact of series compensation and network resonances. 
   6. "Smart Grid Lab":
      • Establishing a Smart Grid PMU Lab
      • Developed 3-ph Multi-machine system models in Opal-Rt and integrated N-60 PMUs for stability studies. 
      • Developed IEEE test system models in Opal-Rt including various types of load models to study oscillator instability and wide area control development.
   7. "Real-time Simulation of Distribution Systems": This project is aimed at developing a simulation test bench for studying various GE distribution automation products. Developed various distribution system models in Opal-rt. The models incorporate various load models to study voltage regulation features.
6. Assistant Professor,Anil Neerukonda Institute of Technology and Sciences, Visakhapatnam, India: July 2003- June 2005 
7. Assistant Professor, SSN Engineering College, Ongole, India: August 2001 - February 2002
   

Awards