Power Project Management

RESUME

BIJEEV NV

Senior Scientist, ISRO

Ahmedabad 380015, Gujarat, India

91-79-269***** (O) 91-909******* (M)

ac1go5@r.postjobfree.com, ac1go5@r.postjobfree.com

Full Name BIJEEV NARAYANAN VIDYADHARAN [BIJEEV NV] Date of Birth 28/05/1974

Designation Senior Scientist, Indian Space Research Organization, ISRO, Ahmedabad, India Research Experience/Area 22 Years Aerospace, Space and Defense Equipment. Design, Simulation, Testing/Optimizations, Manufacturing of Space Defense Equipment EPC, SSPA, TWTA. Commercial Space Program / Project management for Indian Communication & Navigation Satellites, Indian Deep Space Missions Interesting fields Space/Defense Program/Project Management, eGaN based DC-DC converter designs, ZVS/ZCS Conversion, Digital control in Power Electronics, Planar Integrated Magnetics, HMC/Power Hybrids, POL/LDO/MAGAMP designs, Envelope tracking, Flex SSPA, Photovoltaic/Motor Controls, Advanced Linear/Nonlinear Robust Control Systems Software skills ORCAD/PSPICE, SABER, SIMPLIS/SIMETRIX, LTSPICE, MULTISIM, PSIM, MATLAB/SIMULINK, VHDL/Libero Qualification B-Tech [Electronic & Communication, University of Kerala, India] Language Skills English, Hindi, Gujarati, Tamil, Malayalam Membership -Associate of COSPAR [International Committee On Space Research, USA]

-Member of VEDAS [Vacuum Electronic Device Application Society, India] Publications More than 25 Publications/Articles in IEEE and National Journals, Transactions, Conferences Appreciation Recipient of ISRO Team Excellence Award 2013 for developing 100W UHF SSPA / 60W C-TWTA Work Experience:

1995-1997 Scientist CEERI, Pilani, Rajasthan

Worked towards research & development of Microwave Tubes for Defense & Space applications. Worked in CEERI, Pilani (A CSIR Lab, Govt. Of India) as a Scientist during 1995-1997 and associated with Design and Development of TWTs for a Defense project (CC TWT for RADAR Applications) and design of SWS for Helix TWTs (Space TWT Project ISRO).

1997- 2017 Scientist SAC, ISRO, Ahmedabad

Working towards research, design, development and production of satellite equipments: EPC (satellite power supply), SSPA and TWTA (Satellite RF power amplifiers). Working in SAC, ISRO Ahmedabad as Scientist/Engineer and associated with the following activities for various Indian National Satellites programs. During the last 18 years, I have worked in the field of EPCs, SSPAs & TWTAs. I have been responsible design and development of a number of State of the art EPCs ranging from very low power to high power & high voltage with advanced topologies. I have also been involved in the indigenous development of Space TWTAs, Space SSPAs.

Expertise

Design, Simulation, development, Testing, Qualification and Flight Model manufacturing of Space/Satellite systems

-Electronic Power Conditioners (EPCs) developed for Low, Medium and High Power (1W to 650W DC) onboard Comm. and Navigation Satellite Payloads

-High Voltage Electronic Power Conditioners (HV-EPCs) developed for 3KV to 6KV (150W-1500W DC) for TWTAs and Ion Thrusters

-Indian Space Traveling Wave Tube Amplifiers (TWTAs) developed; Flight Model 60W C-Band TWTAs and Engineering Model 140W Ku-Band TWTAs

Handled multi-disciplinary science and technologies (Power electronics, Digital electronics, RF& Microwave, UHV/HV systems, Metal-Ceramic technologies, Material science & Particle physics)

Co-coordination among “Govt.R&D – Academy – Industry” Network projects for various critical technologies development and technological capability building.

Exposure to versatile work environments viz. Fundamental Research environment, Semi R&D + Production environment, Large scale Industrial Production environment; during execution of various collaborative projects.

20 years of experience in procurement of Satellite systems (EPCs, Receivers, SSPAs, TWTAs) from global market. Interaction with renowned Space Equipment Manufacturers M/s Boeing/L3, M/s TEASAT/Thales, M/s Astrium/EADS, M/s Alcatel, M/s IR/Infineon, M/s ASP, M/s MDA etc.

Deputation to three renowned space equipment manufacturers (M/s BOEING USA, M/s THALES & M/s ASTRIUM Germany)

Worked as Member in several RFP review Committee, PDR/CDR Committee of Military, Space Systems Space Qualified Equipments realized for various Space programs of ISRO EPC for C, Ku Band LNA, U/D Converter, Receivers, Beacon 3W, 7.5W, 15W DC Power level 26-42V Bus & 70V Bus designs EPC for UHF, L, S, C Band GaAs SSPAs 25W, 50W, 120W, 300W DC Power level 42V Bus & 70V Bus designs EPC for UHF, L, S, C Band GaN SSPAs 125W, 170W, 350W, 650W DC Power level 26-42V Bus & 70V Bus designs HVEPC and C-Band TWTAs HV EPC 3KV@150W DC & 60W C-Band TWTA 26-42V Bus & 70V Bus designs HV EPC and Ku-Band TWTAs HV EPC 6KV@300W DC & 140W Ku-Band TWTA 26-42V Bus & 70V Bus designs Developments of EPCs in progress

New generation FPGA Controlled EPC 50-650W EPCs for 15W-250W Flexible GaN SSPAs 26-42V Bus & 70V Bus designs New generation eGaN Based EPCs 50-650W Switching GaN EPCs for 15W-250W GaN SSPAs 70V Bus designs HV-EPC for Ion Thruster s 1KV-2KV, 500W-1500W DC Power supply 70V Bus designs Conversion topologies worked on Low voltage: Flyback, Forward, Push-pull, RR/Active Clamp Forward, LLC, ZVT PSFB SR/CDR High Voltage: ZVS/ZCS Push-pull, ZVT PSFB, Series Resonant PSFB, LLC/LCC PSFB Control methods worked on Analog control: Voltage Mode, Current Mode, Feed-Forward, Phase shifted PWM, PFM Digital Control: Dynamic Bias, Envelope tracking Flexible DSP/FPGA/ASIC Controlled (DPWM, DPID, DPFM) EPCs for new generation Flexible payloads Packaging technologies worked on Control HMCs, Power Hybrids, Planar Magnetics, Integrated Magnetics, FPGA, ASIC, LTCC

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