Managerial aspects: Guiding team of 10 engineers, project management, guidance, material management, obsolesence management and quality.Preparation of many project proposals and addressing queries to customers.Technical aspects: working on peak current mode control on buck derived topology for 2 KW pulsed load applications with Microcontroller based CAN/ UART communication for remote control, system health and status updates.Power amplifiers Class S (Sine or square outputs) with low… Show more Managerial aspects: Guiding team of 10 engineers, project management, guidance, material management, obsolesence management and quality.Preparation of many project proposals and addressing queries to customers.Technical aspects: working on peak current mode control on buck derived topology for 2 KW pulsed load applications with Microcontroller based CAN/ UART communication for remote control, system health and status updates.Power amplifiers Class S (Sine or square outputs) with low THD for under water applications. Show less

Project Manager: Guided 3 member team for successfully realising 4 KW DC DC converters for RADAR communication systems, Design of dual redundant AC to DC systems with load sharing, hot swap and redundant modular systems.Project planning, budgeting and necessary approvals from top mangement.Interaction with external and internal customers for specification finalisation up to product delivery. Material management activities for timely procurement of components required for… Show more Project Manager: Guided 3 member team for successfully realising 4 KW DC DC converters for RADAR communication systems, Design of dual redundant AC to DC systems with load sharing, hot swap and redundant modular systems.Project planning, budgeting and necessary approvals from top mangement.Interaction with external and internal customers for specification finalisation up to product delivery. Material management activities for timely procurement of components required for timely execution of projects. Reliability and MTBF calculations Patents and Copyrights:Patents filed: 4 nos in the field of high voltage electronics/ power supplies4 Nos Co. Author for IEEE technical papers2 Nos. Main authors for PET PES and Internal house symposiums.1 copyright awarded for work on 4 KW power supply unitUnderstanding and knowledge on cisper, QM 333 Requirements. Design and development of power factor correction circuits. Broad Skills: Power Electronics, AC-DC and DC-DC converters, magnetics, emi filters, product design+ transmitters for airborne and space requirements.knowledge on selection of AC-DC or DC-DC power modules, paralleling and series configuration for power and voltage scaling requirements.Conversant with CEMILAC/DGQA/ MAG eveluations & ISRO qualifications requirements.spice and matlabKnowledge on usage of test instruments : FRA, oscilloscopes, function generators, spectrum analysers, power meters, DMM, smart tweezersQMS Tasks:Certified internal Auditor for AS9100 Rev D and AS9100 Show less

Realisation of airborne transmitters for SAR applications: Closely associated with external provider for realisation of built to spec EMI filter and front end 500W converters modules. Associated with DRDO scientist for entire product life cycle (design to qualification). Design of full bridge PMSRC for pulsed TWT. Design, simulation, matlab coding and testing of high band width linear regulators for pulsed load for achieving stringent ripple specifications of power supply inturn phase noise… Show more Realisation of airborne transmitters for SAR applications: Closely associated with external provider for realisation of built to spec EMI filter and front end 500W converters modules. Associated with DRDO scientist for entire product life cycle (design to qualification). Design of full bridge PMSRC for pulsed TWT. Design, simulation, matlab coding and testing of high band width linear regulators for pulsed load for achieving stringent ripple specifications of power supply inturn phase noise requirements of transmitter. Design and selection of low/medium power DC-DC modules for internal auxiliary voltage generation. Design for cable harness for PCBAs interfacing.Performed Power budgeting and thermal calculations for both RF and power supply for product design and thermal analysis. Elaborate documentation (GA, SD, BOM, TS, QAP, QTP, ATP, screening procedures for non mil devices etc.,)for CEMILAC certification. successfully completed stringent MIL STD 704 electric power requirement for the product. ESS qualification as per MIL STD 810 requirements. Design of multiplier section for generating high voltages ( upto 10kv). Handled and interacted closely with i ternal design team, product team and qualifying agency, Product successfully realised, produced and delivered to customer. Show less

Upgradation of EPC design for higher power requirements. 350W Design of interleaved boost converter with both current mode and voltage mode control. Scaling if logic and protection circuits (Discrete digital components based design). Optimisation of close loop system for tight control of HV output voltage to drive TWT. Design of multi output 30W flyback converter. Design/Testing/ engineering documentation for 350 W Buck converter for higher solar bus - space applications. Design of 150 W… Show more Upgradation of EPC design for higher power requirements. 350W Design of interleaved boost converter with both current mode and voltage mode control. Scaling if logic and protection circuits (Discrete digital components based design). Optimisation of close loop system for tight control of HV output voltage to drive TWT. Design of multi output 30W flyback converter. Design/Testing/ engineering documentation for 350 W Buck converter for higher solar bus - space applications. Design of 150 W full bridge phase modulated series Resonant converter for pulsed load requirements. Design of emi filters (Single stage and multi stage) for meeting regulatory requirements. Simulations using Pspice/ saber /MATLAB psimplis/ltspice. Worked closely with Customers for timely realisation of products. Show less

Design and testing of non isolated and isolated topologies ( Boost converter 150 W/ active clamp forward converter typ. 30W/ Resonant push-pull converter 150 W) for HV Applications to energise TWT. Cascaded driving of multiple converters. PCB design for placement and routing of power converters (Analog and digital sections) PCb design as per ISRO PAX, DFM and DFT are considered. Product packaging and engineering, knowledge on selection of encapsulants for Encapsulation of HV sections for safety… Show more Design and testing of non isolated and isolated topologies ( Boost converter 150 W/ active clamp forward converter typ. 30W/ Resonant push-pull converter 150 W) for HV Applications to energise TWT. Cascaded driving of multiple converters. PCB design for placement and routing of power converters (Analog and digital sections) PCb design as per ISRO PAX, DFM and DFT are considered. Product packaging and engineering, knowledge on selection of encapsulants for Encapsulation of HV sections for safety user and equipment. Derating analysis of electronics. Complete Documentation required for production of Electronic Power conditioners (EPCs). Qualification of product for EMI/EMC Mil Std 461c/ e/f requirements and ESS as per ISRO requirements. Show less