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Radhakrishna S.

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embedded systems and power electronics plc

$3 USD / hora

・

India (6:26 p. m.)

・

Se unió el agosto 15, 2021

$3 USD / hora

・

embedded systems 8 bit, power electronics thyristor systems, plcs, ac drives repairs,dc drives repairs, circuit designer,pcb designer.

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Its used in solar powered battery chargers. Its used for 12/24 volt battery charging. It charges the battery in 3 stages. Bulk charge, Absorption and Float Charge. It its a flat battery below 9/18 Volts then it gives pulse charge to bring the battery to the rated normal voltage there by protecting the battery. It also has a thermistor sensor feed back and switches off if the battery temperature rises beyond normal rated temperature.It used PIC microcontroller for control of all these parameters.

SOLAR MPPT CHARGE CONTROLLER

Single Phase Converter Card. It converts 230VAC to 0 to 220 V DC used to control thyristors. From .5KW to 7.5 KW. It is used in static heaters and DC motor field controllers.

Single Phase Converter from AC to DC

It is used for Ground + 5 floors apartments. The unique thing about this is it senses every floor using reed sensors.It uses embedded chip 8-bit 89C52 Atmel controller which takes the elevator to the respective floor as the command given. The microcontroller is totally isolated from the external relays and sensors optically.

Ground + 5 floors Elevator controller Floor Read Type

This is a control card which converts 440VAC to 0-500V DC. Its uses 6 nos thyristors in the power circuit. It is mostly used in thyristor controlled DC drives and 3 Phase Controlled Static Heater Circuits. It is used along with interface card and pulse cards and thyristors for the complete setup. It is used for 10kw to 300KW Converter Circuits

3 phase AC to DC Converter

SOLAR MPPT CHARGE CONTROLLER

Single Phase Converter from AC to DC

Ground + 5 floors Elevator controller Floor Read Type

3 phase AC to DC Converter

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Design and Development Engineer

jun, 2003 - Presente

•

21 años, 6 meses

Venkateshwara Electricals

jun, 2003 - Presente

•

21 años, 6 meses

Preparation of Schematics and cad drawings on Proteus. Testing of PCBs. Working on 8 -bit microcontrollers like 8051 and PIC16F877. Writing programs in assembly. Testing and repairs of VFD drives. Manufacturing of Automation panels using VFDs,PLC etc

jun, 2003 - Presente

•

21 años, 6 meses

Design and Development Engineer

jun, 1989 - jun, 1996

•

7 años

HB Electronics Mumbai

jun, 1989 - jun, 1996

•

7 años

Design, development and testing of Electronic Cards for Thyristor controlled DC drives, development of 5 HP VFD drive. Preparation of Schematic drawing, manual checking of dual layered cad drawings done on trace paper. Testing of PCBs and drive panels upto 300kW.

jun, 1989 - jun, 1996

•

7 años

Mumbai University

1985 - 1988

•

3 años

Diploma in Electronics and Telecommunication Engg

India

1985 - 1988

•

3 años

DETE (Diploma in Electronics and Telecommunication Engin)eers

1988

Maharashtra State board of Technical Education. Mumbai

3 years engineering course. Giving excellent education in basic Electrical Technology, Circuits and Network. Basic Electronics, Power Electronics, Microprocessor 8-bit 8085, Digital and analog Circuits.

1988

¡Invitación enviada correctamente!