Geeth Prajwal Reddy Putchakayala Email & Phone Number

Chennai, Tamil Nadu, India

Chennai, Tamil Nadu, India

Chennai, Tamil Nadu, India

Development and implementation of technology solutions for management of property, tenants, payments, and eventsResponsible for overall operations and finance including P&L, forecasting, expense budgeting and auditing

Chennai Area, India

Development of 700A inverter-based Welding power source Hardware design of current mode controlled H-bridge inverters Schematic/PCB design & E-CAD documentation : o Internal Power supply PCB with closed-loop buck converter o Man-machine control PCB with user setting interface and parameters display with 7-Segment display Optimized PCB work-flow reducing delivery lead time by 2 weeks Developed Arduino based automated hardware setups to minimize component testing durations.Electrical Lead - Design of 100 KVA Modular Step-down (Toroidal) & Step-up (EI core) Autotransformer Objective – expand global reach of 480 Vac input cutting system Challenges - low annual volumes and increased cost of units Developed creative modular transformers concept leading to o Annual savings of $20K USD over off-the-shelf solutions o Cost optimization due to increased annual volumes of modules o Flexibility for power output upgrade for future requirement Vendor identification, First Article Inspection & PPAP for Magnetics Preparation of APD Documentation – DP0 to DP3 o Design specifications for sourcing/manufacturing o DFMEA & EOL Test document o Assembly & wiring instructions document Involved with complete product development lifecycle from VoC, Design, Prototype testing to Compliance certification of 0-series unitsTeam Lead – Re-certification of transformer & chopper based welding power sources to comply with revised IEC 60974-1 Std Lead 3 member cross-functional teams  Executed periodic stand-up & resource allocation meeting to facilitate operations as per project roadmap.  Carried out Root-cause analysis (RCA) & implemented production aligned solutions.

Power Generation & Storage Systems, E.On Energy Research Center, Aachen, Germany

Design and Analysis of Z-Source DC Circuit Breakers for Voltage Source Converter based Medium Voltage DC (MVDC) Grid ApplicationsMaster Thesis (Supervised by - Dr. ir. Dr. h. c., Univ.-Prof.. Rik W. De Doncker) - Grade : 1.0 (1.0 = Highest, 4.0 = Lowest)■ Designed and implemented Voltage Oriented Control (VOC) and Space Vector Modulation (SVM) for the generation of +/- 5 kV symmetric monopolar 5MW MVDC grid using three-level Neutral-point-clamped (NPC) converter operating at 1kHz switching frequency.■ Designed and tuned cascaded PI control system for Three-level Neutral Point clamped Voltage Source Converter using Internal Model Control and Symmetric Optimum Tuning. ■ Discretized VOC control system and SVM in C-Script for digital implementation.■ Designed LCL filter for reduction of grid current THD .■ State-space and time domain modelling of the Z-source circuit breaker was performed for analysis during steady-state operation and in fault condition.■ Design criteria for dimensioning the Z-source DC circuit breaker elements for optimal operation during fault condition was determined and optimal inductor design with EI/EE Magnetic cores was performed.

Ae/Eeg1, Robert Bosch Gmbh, Schwieberdingen, Stuttgart, Germany

Development and hardware implementation of control algorithm for a five phase Synchronous machine drive system employed as a started and generator system in automotive applications. ■ Developed and simulated non-PWM based torque control strategy for Voltage Source Inverter fed five-phase electrically-excited Synchronous Machine drive.■ Performed FPGA & Microcontroller based digital implementation of the control strategy using dSPACE Real-Time Implementation tools.■ Developed control GUI & hardware prototype of the drive system for real-time testing.

Chennai Area, India

COMPLETED PROJECTS:Under the Guidance of Professors Dr. M.Senthil Kumaran and Dr. Ranganath Muthu■ POWER ELECTRONICS: » Space Vector modulation algorithm implementation : 1) Voltage Source Inverter 2) Current Source Rectifier 3) Back-to-back AC-DC-AC Converter 4) Matrix Converter » Mathematical Modelling of Voltage Source Inverter.■ ELECTRICAL MACHINES: » Mathematical Modelling of Brushless DC Motor.■ ELECTRICAL DRIVES: » Direct Torque Control (DTC) of Matrix Converter fed Brushless DC Motor Using Space Vector Modulation Algorithm. » Developed VHDL Codes for Spartan 3E FPGA using MATLAB interfaced XILINX for 1) Space Vector Modulated Voltage Source Inverter fed Induction Motor drive 2) Closed Loop speed control of Brushless DC motor using Voltage Source Inverter

Bengaluru Area, India

Implant Training at the Jindal Steel Works site of L&T ECC. Visited and observed the operations of several thermal power plants and grid control systems. Also visited the Solar Power Plant of the Govt. of Karnataka, India and the Wind Farms at Chitradurga, Karnataka. The operation of SCADA and data acquisition systems at the Bangalore Metro Water Corporation was also observed.

Master’S Degree, Electrical Power Engineering, Information Technology & Technical Computer Science (M.Sc.), 1.4 ( Maximum = 1.0, Minimum = 4.0)

Bachelor Of Engineering (B.E.), Electrical And Electronics Engineering, 8.42 / 10

Activities and Societies: EDC - Entrepreneur Development Cell, Youth Red Cross (YRC), NSS (National Service Scheme), REDEEM ( EEE.

High School, Mathematics, Physics, Chemistry And Computer Science