Wireless Power Transmission
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Design of Wireless Power transmission System includes Rectifier, Inverter, Transmission and receiving coils, High frequency rectifier and DC to DC buck Converter. For more info on the project please connect with me on LinkedIn : https://www.linkedin.com/in/yogesh2711
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Project body(powersupply+timer+filter7thsem)
The document describes the design of three electronics projects: 1) A voltage regulated DC power supply that outputs +/- 5V DC. It includes the circuit diagram, components, and function of each component. 2) A multi-vibrator circuit using the NE555 timer IC to generate astable and monostable signals. It again includes the circuit, components, and function. 3) The design of second order active low pass, high pass, and band pass filters. It provides the circuit diagrams, components, design procedure, observations and calculations, results, and conclusions. The document contains detailed information on the circuit design and analysis of each project.
DC Power Supply Project Report (PCB)
Project: DC Power Supply(PCB)
Group Members:
Haris Abbas Qureshi 171000
M Zubair Khan 170907
M Ammar Aslam 170928
Department of Electrical and Computer Engineering . Air University,Islamabad
Why Dc Power
1) DC power supplies and backup batteries provide a reliable power source for telecom equipment and ensure continued operation even when main power fails.
2) DC power is needed because telecom equipment uses DC and batteries can only be charged with DC power, which is produced from AC mains by a rectifier system.
3) When the mains power fails, the batteries supply power to the telecom equipment until mains power is restored, at which point the rectifier system recharges the batteries.
Mobile charger presentation
This project presentation describes a mobile phone charger circuit. The circuit uses a step-down transformer, full-wave bridge rectifier, 1000μF capacitor, 7805 voltage regulator IC, and other components. It works by using the transformer to step down 220V AC to 9V AC, the rectifier to convert it to DC, a capacitor to filter it, and the regulator to provide a stable 5V output to charge mobile phones and power small electronics via USB. The group members are Hammad Zaheer and Yawar Abbas, and the charger can operate devices requiring 5V DC input.
Voltage regulators
Voltage regulators are used to provide a stable DC voltage and can be classified as linear/series regulators or switching regulators. Series regulators work by using a transistor in series with the load to maintain a constant voltage drop. They are simple but inefficient. Switching regulators rapidly switch a transistor to transform voltage efficiently with less heat but are more complex. Integrated circuit voltage regulators like the 78XX series provide fixed voltages like 5V from an input voltage. The 723 regulator is adjustable and can provide higher output voltages than fixed regulators.
THE FABRICATION OF REGULATED DC POWER SUPPLY
This document provides details on the fabrication of a regulated DC power supply project. It includes a block diagram showing the main components - step down transformer, rectifier, smoothing capacitor and voltage regulators. The circuit diagram and list of components used are also included. The project aims to construct 12V and 5V regulated DC power supplies using a transformer, bridge rectifier, filtering capacitor and IC voltage regulators 7812 and 7805 respectively.
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This document discusses various op-amp applications including voltage sources, current sources, and current sinks. It then describes implementations of low resistance voltage sources using a transistor, and using a zener diode. A precision voltage source is also described that uses feedback to maintain a constant current through the zener diode. Current sources using BJTs, FETs, and MOSFETs are briefly mentioned. The document concludes by discussing op-amp circuits that use diodes, including log amplifiers, antilog amplifiers, and various rectifier circuits.
Self Switching Power Supply
The main feature of this power supply is, when no load is there it automatically switches off. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. Embedded system
requires a regulated power supply. This power supply circuit gives a variable regulated supply and switches off in no load condition.
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Project body(powersupply+timer+filter7thsem)
The document describes the design of three electronics projects: 1) A voltage regulated DC power supply that outputs +/- 5V DC. It includes the circuit diagram, components, and function of each component. 2) A multi-vibrator circuit using the NE555 timer IC to generate astable and monostable signals. It again includes the circuit, components, and function. 3) The design of second order active low pass, high pass, and band pass filters. It provides the circuit diagrams, components, design procedure, observations and calculations, results, and conclusions. The document contains detailed information on the circuit design and analysis of each project.
DC Power Supply Project Report (PCB)
Project: DC Power Supply(PCB)
Group Members:
Haris Abbas Qureshi 171000
M Zubair Khan 170907
M Ammar Aslam 170928
Department of Electrical and Computer Engineering . Air University,Islamabad
Why Dc Power
1) DC power supplies and backup batteries provide a reliable power source for telecom equipment and ensure continued operation even when main power fails.
2) DC power is needed because telecom equipment uses DC and batteries can only be charged with DC power, which is produced from AC mains by a rectifier system.
3) When the mains power fails, the batteries supply power to the telecom equipment until mains power is restored, at which point the rectifier system recharges the batteries.
Mobile charger presentation
This project presentation describes a mobile phone charger circuit. The circuit uses a step-down transformer, full-wave bridge rectifier, 1000μF capacitor, 7805 voltage regulator IC, and other components. It works by using the transformer to step down 220V AC to 9V AC, the rectifier to convert it to DC, a capacitor to filter it, and the regulator to provide a stable 5V output to charge mobile phones and power small electronics via USB. The group members are Hammad Zaheer and Yawar Abbas, and the charger can operate devices requiring 5V DC input.
Voltage regulators
Voltage regulators are used to provide a stable DC voltage and can be classified as linear/series regulators or switching regulators. Series regulators work by using a transistor in series with the load to maintain a constant voltage drop. They are simple but inefficient. Switching regulators rapidly switch a transistor to transform voltage efficiently with less heat but are more complex. Integrated circuit voltage regulators like the 78XX series provide fixed voltages like 5V from an input voltage. The 723 regulator is adjustable and can provide higher output voltages than fixed regulators.
THE FABRICATION OF REGULATED DC POWER SUPPLY
This document provides details on the fabrication of a regulated DC power supply project. It includes a block diagram showing the main components - step down transformer, rectifier, smoothing capacitor and voltage regulators. The circuit diagram and list of components used are also included. The project aims to construct 12V and 5V regulated DC power supplies using a transformer, bridge rectifier, filtering capacitor and IC voltage regulators 7812 and 7805 respectively.
Voltage sources
This document discusses various op-amp applications including voltage sources, current sources, and current sinks. It then describes implementations of low resistance voltage sources using a transistor, and using a zener diode. A precision voltage source is also described that uses feedback to maintain a constant current through the zener diode. Current sources using BJTs, FETs, and MOSFETs are briefly mentioned. The document concludes by discussing op-amp circuits that use diodes, including log amplifiers, antilog amplifiers, and various rectifier circuits.
Self Switching Power Supply
The main feature of this power supply is, when no load is there it automatically switches off. It is a circuit which mainly act as a protector circuit and achieved through an arrangement of transistors and relay. Embedded system
requires a regulated power supply. This power supply circuit gives a variable regulated supply and switches off in no load condition.
Dimensioning Of Dc Power Systems
Dimensioning a DC power supply system requires considering several factors:
1) The load requirement and backup time needed to determine the current and battery requirements.
2) Component sizing including rectifiers, batteries, cables to ensure they can handle the load current and prevent excessive voltage drops.
3) Heat dissipation calculations to properly size cooling for the rectifier losses.
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The regulated power supply accepts unregulated inputs from 9V to 15V AC or DC and gives regulated output of 3.3V, 5V and 12V suitable for projects which needs precise voltage to work. The input can come from step down transformer. Since board has Diode Bridge input polarity does not matter. All outputs are brought to screw terminal. There is also an unregulated output voltage to drive high current loads like relays and motors.
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Electricity is generated in bulk at power stations using various methods like hydro, thermal, diesel, and atomic. It is transmitted through high voltage transmission lines as AC because AC can be easily stepped up and down in voltage. The high voltage electricity is stepped down at substations and distributed to consumers through a network of transmission and distribution lines. Transformers play a key role in stepping up voltage for long distance transmission and stepping it back down for safe distribution and use.
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The document discusses autonomous charging features supported by the PM8058 chip and related charging control mechanisms. It introduces autonomous charging which allows the PMIC to control charging without software intervention using a state machine. It also describes selecting an appropriate power source, registering the battery with the modem, controlling the charging LED behavior, and known issues such as charging notification delay when removing the battery and unconfigured current limits.
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A voltage doubler circuit uses a 555 timer IC connected in astable mode to generate a square wave input voltage. This input is fed to a voltage doubler block which uses diodes and resistors to multiply and output a voltage that is approximately twice the value of the input voltage. The document provides an address, abstract, block diagram, and lists components required for the voltage doubler circuit.
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Occasionally we need dc power source which is adjustable along with protections. This slide will help you to create a circuit that can adjust the dc voltage and apply thereby.
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The regulated power supply accepts unregulated inputs from 9V to 15V AC or DC and gives regulated output of 3.3V, 5V and 12V suitable for projects which needs precise voltage to work. The input can come from step down transformer. Since board has Diode Bridge input polarity does not matter. All outputs are brought to screw terminal. There is also an unregulated output voltage to drive high current loads like relays and motors.
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دیزاین و دروسنكردنی پاوهر سپلای ئهیسی و دیسی بۆ تاقیگهكانی كارهبا لهگهل پرۆتیكشن و
و توانای بهرزی ئهمپێری ئهم ئامێره دهتوانریت زۆر تهجروبهی زانستی له تاقیگهكتندا پێی ئهنجام بدرێت لهوانه سینكل فهیس ترانسفۆرمهر و دیسی مۆتۆر و لۆدی بهرگری
Eng. Ballen Ghazi
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fb:ballen Gazi
e-mail: ballen.gazi9@gmail.com
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Conventional and emerging converter technologies in hvdc power transmission s...
The efficiency of HVDC system is primarily associated with power electronic converters which are playing the key role in transforming AC to DC and vice versa. There have been several converter topologies known and implemented in HVDC system throughout the world, however the major converter topologies are line commutated-current source converters (CSC) and self-commutated voltage source converters (VSC). This presentation provides an overview and comparison of CSC and VSC converters including their applications, advantages, limitations and new technological advancement related to CSC, and VSC including 2 level VSC and 3 level VSC and newer modular multilevel converter (MMC) topologies.
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This document discusses the design of a DC-DC boost converter for use in a solar electric system. It begins with a block diagram showing how a boost converter fits within a solar power system, taking input from photovoltaic cells and a battery to provide DC power to loads and an inverter. The basic operation of the boost converter is then explained, showing how it uses an inductor, diode, and switch to provide an output voltage higher than the input voltage. Common switching devices and integrated circuits used in boost converters are also outlined, along with advantages like high efficiency and ease of use, and disadvantages such as limited power conversion capabilities. Finally, potential applications of boost converters in areas like solar power systems, LED drivers, and
vector control of induction motor
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2) A Clarke transformation converts the 3-phase stator currents to a 2-phase stationary reference frame. Then a Park transformation aligns one component with the rotor flux to control flux and the other to control torque.
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Design and implementation of high power dc dc converter and speed control of ...
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An Internal Current Controlled BLDC Motor Drive Supplied with PV Fed High Vol...
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Wireless Power Transmission
- 1. Wireless Power Transmission System Presented by, Yogesh Raju N R Electrical and Electronics Engineering Sir MVIT
- 2. Objective Wireless Power Transfer(WPT) is the transmission of electrical energy without wires as a physical link. WPT nowadays are used in mobile charging applications . Our project focuses on overcoming this problem up to some extent by designing a WPT system which is powered using 230V, 50Hz single phase AC.
- 3. Work done : The WPT system mainly comprises of 5 blocks : AC – DC Rectifier High Frequency DC – AC Inverter Transmission and Receiving coils AC - DC High Frequency Rectifier DC –DC Buck Converter
- 4. AC to DC Rectifier • At the input side an AC voltage of 40V , 50Hz is passed into the Full-Bridge Rectifier Circuit. Components used : GBXJ2510, Filter Capacitor. Output Obtained • A DC voltage of 60V is obtained as the output for the AC – DC rectifier block.
- 6. AC – DC Rectifier
- 7. DC to AC High Frequency Inverter • The rectified DC voltage obtained from Rectifier is converted into high frequency AC voltage using a H-Bridge Inverter. Components used : IRF840, SCS220AG Output Obtained: • AC voltage of 53 V is obtained as the output for DC – AC High Frequency Inverter block.
- 9. DC – AC High Frequency Inverter
- 11. Gate Drive Circuit • This circuit Drives the High frequency Inverter. • SG3525N generates the PWM pulses which switches the corresponding MOSFET’s at 130kHz with the help of gate drive IC IR2104. Components used : SG3525N, IR2104
- 12. Calculations:
- 14. Transmission and Receiving Coils • The output Voltage obtained from DC-AC high frequency inverter is transmitted to the receiving coil by maintaining the circuit in resonance. • A series LC and Parallel LC combination at Transmission and Receiving Ends is used. • Transmission coil : 22 turns, 31.65uH, 47nF • Receiving coil : 18 turns, 20.40uH, 66nF Components used: Litz wire
- 15. Calculations:
- 17. High Frequency Rectifier • The High frequency AC voltage obtained in the receiving coil is rectified to DC voltage using a high frequency rectifier circuit. • Components: SCS220AG, Capacitor
- 19. DC to DC Buck Converter • The DC output obtained from the High Frequency Rectifier circuit is converted to low voltage efficiently using a DC – DC Buck Converter. • IC used : LM5576MH • Output Obtained : 24V DC • Design Equation as per application note of LM5576MX series IC
- 20. Circuit Design:
- 21. Outputs Obtained in each block:
- 22. Result of the project
- 23. References: • UCx52xA Regulating Pulse Width Modulators, SLUS191D –FEBRUARY 1997–REVISED JULY 2017, Texas Instruments • Bootstrap Circuitry Selection for Half-Bridge Configurations. SLUA887– August 2018, Texas Instruments • Andre krus, "Power Transfer Through Strongly Coupled Resonances", Master of science thesis, Department of Physics, Massachusetts Institute of Technology, September 2007 • Jonghyun Cho, Jingdong Sun, Heegon Kim, and Jun Fan, Coil Design for 100 KHz and 6.78 MHz WPT system: Litz and Solid Wires and Winding Methods, ISSN: 2158-1118, IEEE • https://coil32.net/online-calculators/flat-spiral-pancake-tesla-coil.html
- 24. Thank You