Ajinkya Deshpande

Project Management and Lead Hardware Design .

• Designed SMPS 150v to 900V DC input and power rating of 50W for AC Drives up to 15/20/25/40HP.
• PCB Layout design with the help of PCB designer and Verification for 32A/72A full load current for 15/20HP Solar Drive
• Manufacture preparedness and releasing documents for Production.
• Environmental tests like TR,DAMP heat, Thermal Shock ,Cold test, Dry test, ALT

Product development of Three Phase DOL starter

• Designed three phase DOL starter for Aquaculture application.
• Design three phase DOL starter for Urban Application.
• Designed WLC and DI/DO module for for Starters
• Designed SMPS 150v to 900V DC input and power rating of 12W for starter.
• SMPS can work 650V AC line to line.
• Manufacture preparedness and releasing documents for production
• Pilot batch manufacturing and Field trials
• Done Environmental tests like TR,

DAMP heat-– IEC 60068-2-30,

Thermal ShockIEC 60068-2-14,

Cold testIEC 60068-2-1,

Dry testIEC 60068 -2-2,

ALT @(85 Degree and 85% Rh) for one Month

• CTQ/CTS/CTF for Starter

Product development of Solar/Industrial Drive Power

· Gate driver, IGBT module selection for Inverter

· Designed SMPS & VFD schematic,

· Designed SMPS 150v to 900V DC input and power rating of 28W for AC Drives up to 10HP.

· Magnetics design of Ferrite Core Transformer

· Designed SMPS output short circuit protection circuit. –

· Designed DI/DO/AI/AO circuit for Drive. ADC sensing circuit for current and voltage.

· PCB Layout design with the help of PCB designer and Verification for 9A/16A/23A full load current for Drive.

· CTQ/CTS/CTF for Solar Drive -Manufacture preparedness and releasing documents for Production. –

· Done Environmental tests like TR, DAMP heat, Thermal Shock, Cold test, Dry test, ALT

· EMI/EMC Test: Setup preparation & Performing RE, CE, ESD, CS, EFT, Surge for Drive as per EMI STD 61800-3. 3

• Design and development of Solar pump controller
• Managing - Schematic design,Hardware design, PCB design,Mechanical Design,Field trial
• MPPT algorithm design and implementation and validation
• Design and development of SMPS and Line Filter
• Designed SMPS,specification are as follows
• Input-180VDC to 800VDC 7 rails of output and total power is 28W(+5V,+15V(4Nos),+12V,+24V)
• PCB design for SMPS
• Line filter Design for CE/CS

• Design and development of Solar pump controller
• Managing - Schematic design,Hardware design, PCB design,Mechanical Design,Field trial
• MPPT algorithm design and implementation and validation
• Design and development of SMPS and Line Filter
• Designed SMPS,specification are as follows
• Input-180VDC to 800VDC 7 rails of output and total power is 28W(+5V,+15V(4Nos),+12V,+24V)
• PCB design for SMPS
• Line filter Design for CE/CS

Product life cycle management -E2 position (Embedded design and development centre)

• Issues resolution relates to Vacuum circuit breaker contactor. (MOSFET gate driver circuit design modification, PCB design)
• Single Phase motor controller Triac and SCR gate driver circuit design, PCB modification)
• EMI/EMC for MCCB(All tests)
• Failed in RS and RE and solved issue by changing PCB layout.
• EMI/EMC for ACB(All Tests)

Sr Engineer in Product life cycle management

• Field issues and manufacturing issues related to MCCB and ACB
• Problem resolution of 24v to 5VDC-Dc converter of PS module for Modbus Module MCCB MTX3.0
• Problem resolution of VL module (SMPS Problem) for ACB 3.5

• Pump protection relay(Dry Run).
• Power supply design
• EMI/EMC testing
• Testing and validation
• D1ETM1 timer,Buck regulator design changes for D1ETM1 timer.Inductor design for buck regulator

• Hardware design/Maintenance
• Power supply testing(SMPS,Linear regulator)
• 12V,250A SMPS testing
• 0 to 1000VDC,3A DC
• Testing and validation maintenance.
• Testing and validation