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Ahmed zahran power electronics projects portfolio
 

Ahmed zahran power electronics projects portfolio

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My power electronics projects

My power electronics projects
(circuit design, PCB layout, components assembly, 3D circuit view, enclosure design and embedded programing)

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    Ahmed zahran power electronics projects portfolio Ahmed zahran power electronics projects portfolio Presentation Transcript

    • AHMED ZAHRAN Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter Description Three phase five levels inverter up to 1000V ,10 A transformer less converter. Circuits  Power Inverter Arm board; consists of 8 IGBT (4 cell) with the required cooling (heat sink and fans) and stacking connectors.  Capacitor Banks board; consists of four capacitors groups (each group consists of four capacitors 680uF, 400V).  Gate Drive board; consists of 8 fiber optics gate drives and one Arm input current measurement.  Capacitors Voltage measurement board; consists of 4 voltage measurements circuits with high isolation level (5Kv isolation level).  Phase control board; consists of 16 fiber optics transmitters with the required current drivers, dead time generation circuit for each leg signals and low-pass filter for the phase measurement signals. My role in the project Circuit design, PCB layout, 3D circuit view, soldering, DSP MATLAB software, CANalyzier interface software, Commissioning for the setup. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Modular Multi-Level converter – design phase Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • High Voltage Generation Description High Voltage Pulse generator for water treatment. It generates pulses by 1000V amplitude for 2.5 µsec duration and frequency of 50 Hz from DC supply of 12VDC to kills microbes in the water. The control is based on TMS320F28335 EZdsp board. Circuits • • • Main power board; consists of (boost converter, buck converter and two three stages voltage multiplayer). LV control board; consists of (2 gate drive circuits +/- 15V 2.5A and four voltage measurement circuits with 5KV isolation level). HV control board; consists of one gate drive circuit +/- 15V 2.5A with 5KV isolation level. My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, DSP MATLAB software, CANalyzier interface software, Commissioning for the setup. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • High Voltage Generation Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Description It contains of common power electronics circuits used in voltage source inverters up to 7 phases. The main benefits is the simplicity of connection where there is no need for any wires (power or control) Circuits • Main Inverter Leg control board; it is 4 layers board consists of two gate drives (+15V,2.5A) with 5KV isolation voltage, measurement for (Output current and DC link voltage and current) and collection for all of the analog and PWM signals in single connector. • Auxiliary Inverter Leg control board; it is 4 layers board consists of two gate drives (+15V,2.5A) with 5KV isolation voltage, , output current measurement and three DIP switches to select the channel for the PWM signals and current signal for the auxiliary inverter leg. • Main/Auxiliary Inverter Leg; consists of two IGBTs with the required cooling (heat sink and two fans). The rate for the leg is (400V/20A or 800V/10A). • 400V Capacitor bank board; consists of array of parallel capacitors (total 4700uF). Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Description • 800V Capacitor bank board; consists of array of parallel and series capacitors (total 2700uF). • Three phase Bridge rectifier board; is working up to 800V/10A or 400V/20A with the required cooling (heat sink and two fans). My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, DSP MATLAB software, CANalyzier interface software, Commissioning for the setup. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Flow Meter Board Description Flow meter board is for down hole applications. The board has the capability to work up to 125 C. The board records the measurements in the down hole and store them in the EEPROM, after that we take the readings by using RS485 interface and make some analysis on the computer using Labview software. I made two revisions one of them 2 layers and the other one 6 layers. Main features • • • • • Battery voltage and current measurement. Solenoid drive (10VDC and 1A). Two Pressure sensors interface with temperature measurement for calibration and 10VDC power supply. Acceleration measurement in X,Y and Z directions. EEPROM memory to store the data. • • • • • RS485 serial interface for PC interface. External I2C for another board or device interface. External SPI for another board or device interface. De-passivation circuit for Li-on battery. 8 Hall effect sensors interface. My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, DSPIC33F C coding, part of the Labview software, Commissioning for the setup. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Flow Meter Board Labview block diagram TEST HALL EFFECT  1 3 5 7 2 4 6 8 SOLENOID 1 ON / OFF  PRESSURE SENSOR 1 TEMP DEPASSIVATION ON / OFF  ACCELERATION SENSOR PRESSURE  BAR X-AXIS TEMP K Y-AXIS Z-AXIS PRESSURE SENSOR 2 PRESSURE TEMP  BAR K BATTERY VOLTAGE V CURRENT A Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Flow Meter Board Labview block diagram CHARTS SCAN TIME EEPROM DATA SEC SCANNER SAMPLES SAMPLES  PRESSURE 1 SENSOR VOLTAGE, CURRENT PRESSURE, TEMP. BATTERY TIME  ACCELERATION SENSOR X-AXIS, Y-AXIS, Z-AXIS  TIME  TIME  PRESSURE 2 SENSOR BOARD TEMPERATURE 1 3 5 7 2 4 6 8 DEPASSIVATION ON / OFF TEMP HALL EFFECT PRESSURE, TEMP SOLENOID 1 ON / OFF TIME Ahmed Zahran eng.ahmed.zahran2010@gmail.com TIME
    • Flow Meter Board Block Diagram POWER SUPPLY UNIT SOLENOID UNIT Solenoid drive (20V,1A) Solenoid current sensing Buck converter 10VDC/1A and 3.3VDC/1A Battery current sensing Voltage current sensing DE passivation circuit CONTROL UNIT BOARD TEMP. UNIT ACCELEROMETER UNIT DSP, EEPROM, Voltage reference, Clock oscillator, RS485 interface X.Y and Z directions sensing RTD board temperature circuit HALL EFFECT SENSORS UNIT Eight hall effect sensors interface Ahmed Zahran eng.ahmed.zahran2010@gmail.com PRESSURE SENSOR UNIT Two pressure sensing interface circuits Sensor Temperature measurement
    • Flow Meter Board Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • High Voltage Generation Description It is working as single stage DC/AC converter. It converts the voltage from 100VDC to 220VAC 50Hz base on boost circuit by single stage and the out is pure sign wave. Circuits • • Main power boards; 3 boards each one consists of boost converter. Control boards; 3 boards each one consists of 2 gate drive circuits +/- 15V 2.5A with 1KV isolation level. My role in the project Circuit design, PCB layout, Components soldering, DSP TMS320F28335 MATLAB software for open loop and Commissioning for the setup. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • VOLTAGE AND CURRENT TRANSDUCERS Description • • Voltage transducer boards for power inverter applications which have high common mode rejection and high isolation voltage based on opto-isolation and another based on hall effect .Main components (LV20-P LEM transducers and HCPL7800 avago transducers). Current transducer boards for power inverter applications which have high common mode rejection and high isolation voltage based on opto-isolation and another based on hall effect .Main components (LTSR-25 LEM transducers, HCPL7800 avago transducers and ACPL-79A avago transducers and ACS716) . My role in the project Circuit design, PCB layout, 3D circuit view and Components soldering. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • VOLTAGE AND CURRENT TRANSDUCERS Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Five Phase Inverter Description It is five phase voltage source inverter for five phase induction machines driving applications. The inverter has been put in acrylic enclosure to achieve a degree of simplicity in using. It contains all required measurement signals. Circuits • • • • Ten IGBT gate drive ±2.5A, 15V, with its isolated power supply with supply under voltage protection and isolation voltage of 2.5KV. Four output current measurement boards. DC link voltage measurement. Five IGBT Leg inverter boards with the requirement cooling. My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, acrylic enclosure design, setup harness, Matlab code by using TMS320F28335 EZdsp board Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Five Phase Inverter Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Inverter Description It is three phase voltage source inverter based on IRAMY20UP60B power intelligent module for three phase machines driving applications. The setup contains all required measurements and easy to connect. Circuits • • • • • Driving three phase loads up to 400V 10A. Short circuit protection. High isolation level for all analog and digital control signals. Contains measurement for (two output currents, DC link current and DC link voltage). Very simple to connect (single connector for control signals and power terminals). My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, Matlab code by using TMS320F28335 EZdsp board Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Plug in Inverter Modules Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Inverter Main features • • • • Driving three phase loads up to 400V 10A. Six IGBT gate drive ±2.5A, 15V, with its isolated power supply with supply under voltage protection and isolation voltage of 2.5KV. Two output current measurement boards. Three IGBT Leg inverter boards with the requirement cooling. My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, Matlab code by using TMS320F28335 EZdsp board Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Inverter Main features • • • • Driving three phase loads up to 400V 10A. Six IGBT gate drive ±2.5A, 15V, with its isolated power supply with supply under voltage protection and isolation voltage of 2.5KV. Two output current measurement boards. Three IGBT Leg inverter boards with the requirement cooling. My role in the project Circuit design, PCB layout, 3D circuit view, Components soldering, Matlab code by using TMS320F28335 EZdsp board Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Inverter Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Single Phase Inverter Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Inverter Circuits • • • • • ±2.5A, 15V, 200KHz MOSFET/IGBT gate drive with its isolated power supply with supply under voltage protection and isolation voltage of 5KV. ±2.5A, 15V, 200KHz MOSFET/IGBT gate drive with its isolated power supply with supply under voltage protection and miler effect protection and isolation voltage of 5KV. ±2.5A, 15V/-15V, 200KHz IGBT gate drive with its isolated power supply with supply under voltage protection, miler effect protection and isolation voltage of 5KV. ±2.5A, 15V/-15V, 200KHz IGBT gate drive with its isolated power supply with supply under voltage protection, miler effect protection, IGBT short circuit protection and isolation voltage of 5KV. ±8A, 15V/-15V, 200KHz IGBT gate drive with its isolated power supply with supply under voltage protection, miler effect protection, IGBT short circuit protection and isolation voltage of 5KV. My role in the project Circuit design, PCB layout, 3D circuit view and Components soldering. Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • MOSFET/IGBT GATE DRIVEs Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • MOSFET/IGBT GATE DRIVEs Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • MOSFET/IGBT GATE DRIVEs Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Overview Modular Multilevel Converter High Voltage generation Plug in Inverter Modules Flow meter board Three phase boost inverter Voltage and Current transducers Inverters single/three/five phases MOSFET/IGBT Gate Drives Cards Three phase filters Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Three Phase Low Pass Filter Ahmed Zahran eng.ahmed.zahran2010@gmail.com
    • Thank You Ahmed Zahran eng.ahmed.zahran2010@gmail.com