To powe suply
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The document discusses power supplies and electricity in homes and computers. It explains that homes receive alternating current at 230 volts which is converted by power supplies to 3-12 volts for use. Computers require direct current at 3-12 volts from a power supply. Power supplies have fans to prevent overheating as they operate by bringing in cool air to dissipate heat from converting high voltage to low voltage current needed for electronics.
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This circuit uses an LM35 temperature sensor IC to monitor ambient temperature and control a relay via a comparator circuit. The LM35 outputs a voltage proportional to temperature from 0-100°C. This voltage is fed to the comparator along with an adjustable reference voltage from a potentiometer. If the temperature exceeds the reference level, the comparator activates a transistor relay driver to energize a load relay and turn on a device. Otherwise, the relay remains de-energized and the load stays off until the temperature rises above the threshold.
Electricity 2
This document discusses electricity sources and safety in the home. It explains that electricity is generated at power stations from sources like coal, oil, peat and water. Electric meters record household electricity usage and some homes have a second meter for off-peak electricity at night. Cables bring power to each room through a consumer unit box. Appliance cords have live, neutral and earth wires to safely distribute electricity. Potential electrical faults include overloading circuits, short circuits, and overheating. Fuses act as safety devices that melt and disconnect power if a fault occurs to prevent fires.
Ppt of r.t.c. made
The document describes a temperature controller circuit that uses an LM335 temperature sensor, comparator, amplifier, and Darlington pair to control a relay based on temperature. When the sensed temperature exceeds the reference voltage, the comparator switches the Darlington pair to activate the relay. The circuit is intended to control devices like refrigerators and AC units by turning the compressor on and off based on temperature. It provides an easy to build, low complexity temperature control solution.
Electrical installation wiring and panel board design
This document summarizes an electrical installation plan for a house. It includes an introduction to electrical wiring and circuits. Sections cover electrical symbols, the panel board, notes on switch and receptacle placement heights, and a conclusion that discusses selecting the proper wiring size and protection devices based on the power needs of the house.
fire alarm made by jalal ahmed
The key component of the circuit is Thermistor, which has been used as fire detector. Thermistor is temperature sensitive resistor, whose resistance changes according to the temperature, its resistance decreases with the increase in temperature and vice versa.
We have built the circuit using, mainly these components that is, Thermistor, diodes, Led light , resistor, capacitor and Alarm.
Wiring a ring main
A ring main is a circuit that runs in a loop or ring configuration around a home, delivering electricity from both ends of the circuit to sockets. This layout imposes less load on the cables than a single-direction radial circuit. Ring mains use 2.5mm diameter two-core and earth cable and are limited to powering a maximum floor area of 100 square meters with no more than 50 meters of cable if protected by a miniature circuit breaker or 60 meters if protected by a cartridge fuse. Appliances that use significant power must have their own dedicated circuits.
Functions of fuse and earth wire
The fuse protects electric circuits from excessive current by containing a wire that melts when overheated. There are two main types: replaceable wire fuses and cartridge fuses. The fuse rating indicates the maximum current it can withstand without melting. Fuses should be rated slightly higher than the appliance's normal current to prevent tripping during regular use. Earth wires connect appliances to ground and provide a path for current in case of a loose live wire, preventing electric shocks.
MAGNETIC INDUCTION STOVE
An induction stove uses electromagnetic induction to heat cookware. An induction burner consists of a ceramic plate with an electromagnetic coil beneath it. When turned on, an electric current through the coil generates a fluctuating magnetic field that induces current in the cookware and heats it directly, while keeping the burner surface cool to the touch. Induction cooking allows for precise temperature control and efficient energy transfer without heating the surrounding air.
Recommended
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This circuit uses an LM35 temperature sensor IC to monitor ambient temperature and control a relay via a comparator circuit. The LM35 outputs a voltage proportional to temperature from 0-100°C. This voltage is fed to the comparator along with an adjustable reference voltage from a potentiometer. If the temperature exceeds the reference level, the comparator activates a transistor relay driver to energize a load relay and turn on a device. Otherwise, the relay remains de-energized and the load stays off until the temperature rises above the threshold.
Electricity 2
This document discusses electricity sources and safety in the home. It explains that electricity is generated at power stations from sources like coal, oil, peat and water. Electric meters record household electricity usage and some homes have a second meter for off-peak electricity at night. Cables bring power to each room through a consumer unit box. Appliance cords have live, neutral and earth wires to safely distribute electricity. Potential electrical faults include overloading circuits, short circuits, and overheating. Fuses act as safety devices that melt and disconnect power if a fault occurs to prevent fires.
Ppt of r.t.c. made
The document describes a temperature controller circuit that uses an LM335 temperature sensor, comparator, amplifier, and Darlington pair to control a relay based on temperature. When the sensed temperature exceeds the reference voltage, the comparator switches the Darlington pair to activate the relay. The circuit is intended to control devices like refrigerators and AC units by turning the compressor on and off based on temperature. It provides an easy to build, low complexity temperature control solution.
Electrical installation wiring and panel board design
This document summarizes an electrical installation plan for a house. It includes an introduction to electrical wiring and circuits. Sections cover electrical symbols, the panel board, notes on switch and receptacle placement heights, and a conclusion that discusses selecting the proper wiring size and protection devices based on the power needs of the house.
fire alarm made by jalal ahmed
The key component of the circuit is Thermistor, which has been used as fire detector. Thermistor is temperature sensitive resistor, whose resistance changes according to the temperature, its resistance decreases with the increase in temperature and vice versa.
We have built the circuit using, mainly these components that is, Thermistor, diodes, Led light , resistor, capacitor and Alarm.
Wiring a ring main
A ring main is a circuit that runs in a loop or ring configuration around a home, delivering electricity from both ends of the circuit to sockets. This layout imposes less load on the cables than a single-direction radial circuit. Ring mains use 2.5mm diameter two-core and earth cable and are limited to powering a maximum floor area of 100 square meters with no more than 50 meters of cable if protected by a miniature circuit breaker or 60 meters if protected by a cartridge fuse. Appliances that use significant power must have their own dedicated circuits.
Functions of fuse and earth wire
The fuse protects electric circuits from excessive current by containing a wire that melts when overheated. There are two main types: replaceable wire fuses and cartridge fuses. The fuse rating indicates the maximum current it can withstand without melting. Fuses should be rated slightly higher than the appliance's normal current to prevent tripping during regular use. Earth wires connect appliances to ground and provide a path for current in case of a loose live wire, preventing electric shocks.
MAGNETIC INDUCTION STOVE
An induction stove uses electromagnetic induction to heat cookware. An induction burner consists of a ceramic plate with an electromagnetic coil beneath it. When turned on, an electric current through the coil generates a fluctuating magnetic field that induces current in the cookware and heats it directly, while keeping the burner surface cool to the touch. Induction cooking allows for precise temperature control and efficient energy transfer without heating the surrounding air.
Ppt of refrigerator temperature controller
All refrigerators contain an electronic temperature controller to regulate the compressor. The controller uses an LM335 temperature sensor and comparator IC to compare the sensed temperature to a reference voltage set by a zener diode and potentiometer circuit. If the temperature exceeds the reference, the comparator output triggers a Darlington pair switching circuit to turn the compressor on or off. The circuit provides accurate temperature control with few components and is easily repairable.
Identify safety critical faults on electrical components and systems
Electrical faults can have serious safety consequences like electrocution, electric shock, fire, or component failure. Critical faults include bad workmanship, drilling into wires, cracked junction boxes, missing earth bonding, polarity issues, incorrect fuse or flex sizing, bad installation, or burnt or damaged cables. If any critical faults are identified, the supervisor must be notified so a qualified electrician can be called in to rectify the issue safely. A first aider may also need to be contacted if someone has suffered an electric shock.
Electrical safetyathome
This document provides information about home electricity usage and safety. It summarizes that refrigeration accounts for 31% of home electricity use, while heating accounts for 12% and cooling accounts for 11%. It also explains the basic components of a home's electrical system, including the electric meter, service panel, circuits, and grounding. The document discusses older wiring systems like knob-and-tube and aluminum wiring that can pose fire hazards, and emphasizes having a grounded electrical system and updating to tamper-resistant and GFCI outlets for safety. It concludes by offering free safety demonstrations from San Miguel Power to local groups.
Phyin c19 practical electricity
The document discusses electricity, power, energy, electrical safety features, and calculating electrical costs. It explains that electrical appliances use heating elements to convert electrical current into heat. It defines power as the rate of energy transfer and energy as what is used, and provides the equations to calculate power, energy, and electrical costs in kilowatt-hours. The document also describes safety features like fuses, circuit breakers, earthing, and double insulation that are designed to prevent electric shock and fire.
EB WELDING
The document discusses electron beam welding (EBW). It begins by stating the objectives are to describe the principle, procedure, and applications of EBW. It then provides a history, explaining EBW was developed in 1958. The document proceeds to define key terms like electron and beam. It describes the EBW process, which involves using an electron beam in a vacuum to melt and fuse metals without a filler. It details the main parts of an EBW machine and their functions. The document outlines the welding procedure and discusses defects and controls. It lists automotive, aircraft/aerospace, and nuclear as common applications and provides advantages and disadvantages of EBW.
Electrical Power
The document discusses various topics related to electrical power including:
1) How power is calculated by multiplying voltage by current and is measured in watts. An example is given of calculating the power of a light bulb.
2) How energy is calculated by multiplying power by time and is measured in kilowatt hours. An example is provided of calculating the energy usage of an electric water heater.
3) Safety issues like short circuits, electrical shocks, grounding, fuses, and circuit breakers which protect against too much current and can be reset.
Pratical electricity
1) The document discusses the safe use of electricity in the home. It describes common electrical appliances like lighting, heating, and motors.
2) It outlines electrical hazards such as damaged insulation, overheating of cables, damp conditions, and carelessness that can cause electric shock.
3) The document provides guidance on safely using electricity through the use of fuses, circuit breakers, earthing of appliances, and double insulation to protect against electric shock.
Electricity consumption
youtube channel - #nexuspotential
in this you will learn about calculation of power consumption by house hold appliance.
If you want any data regarding this then go to my you tube channel where you will find video on this topic
Silent Alarm
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Inside-
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Circuit d
This document describes a simple clap switch circuit that uses an op-amp configured as a comparator to detect voltage differences caused by sound from a microphone. When the circuit detects a clap, the op-amp output briefly goes high, triggering a flip-flop chip to switch the load on or off. The circuit was designed by a reader and successfully tested to operate as a clap switch.
Ece Final Report for-"Various Types of electrical and electronic equipments a...
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Waste heat recovery
The document discusses the concept of using a waste heat recovery system with an air conditioning (AC) unit to generate electricity from the heat harvested by the AC unit. It notes that existing waste heat recovery systems are not very effective at recovering heat from AC exhaust. However, it proposes that a system could be designed that refocuses and blends the harvested heat with incoming energy in a way that converts all of the energy into electricity through an efficient production process, avoiding overheating issues. It suggests such a system could power buildings and electrical grids by harnessing urban heat islands. However, it acknowledges challenges like current regulations prohibiting basement AC units.
Power transmission
Electricity is first generated at power plants at 25,000 volts, then transformed to higher voltages of 400,000 volts for long distance transmission through power lines. At substations near populated areas, transformers reduce the voltage to safer lower levels for local distribution and use. Finally, small transformers further lower the voltage to 220 volts and 110 volts for use in homes and appliances. This process ensures electricity can be efficiently transmitted over long distances with minimal energy loss.
Surge current protection using superconductor ppt
This document summarizes a seminar presentation on using superconductors for surge current protection. It introduces surge currents and the need for protection against them. It then discusses superconductors and how they can conduct electricity with zero resistance below a critical temperature. Different types of superconductors are presented, as well as how superconductive surge current limiters work by providing high impedance above a given current threshold. The document concludes by discussing advantages of using superconductors for this application and future plans to introduce them into power grid transmission systems.
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Induction heater manufacturers,
Induction Billet heater Manufacturers,
Induction Melting furnace manufacturers,
Induction Furnace Manufacturers in India,
Induction Billet heater manufacturers in India,
Induction heating system,
Induction Melting Furnace for your sourcing needs.
The sustainable senator palpatine
The document discusses using waste heat recovery systems with air conditioning units to generate electricity. It explains that capturing the heat expelled by an AC unit and using it to power a boiler can convert the heat into electrical energy. This prevents the heat from dispersing and means it is no longer heat but electricity. The document also discusses using urban heat islands as an energy source and having the AC unit disperse heat back into the building or outdoor air, which would already be harvested for cooling, allowing the capture of more energy.
Transformer project
It will help us to upgrade the knowledge about the transformer that will help us to encourage about the topic so that they can gather the knowledge
SCR PROTECTION
The document discusses protection methods for SCRs (silicon controlled rectifiers). SCRs are sensitive to over voltage, over current, temperature changes, and gate malfunctions. Protection is needed to prevent damage from high dv/dt, di/dt, over voltage events like lightning surges, and over current. Methods include using capacitors to reduce dv/dt, snubber circuits for di/dt, nonlinear surge suppressors like varistors, selenium suppressors, and avalanche diodes to divert over voltage surges, and thermal protection for over current.
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Ppt of refrigerator temperature controller
All refrigerators contain an electronic temperature controller to regulate the compressor. The controller uses an LM335 temperature sensor and comparator IC to compare the sensed temperature to a reference voltage set by a zener diode and potentiometer circuit. If the temperature exceeds the reference, the comparator output triggers a Darlington pair switching circuit to turn the compressor on or off. The circuit provides accurate temperature control with few components and is easily repairable.
Identify safety critical faults on electrical components and systems
Electrical faults can have serious safety consequences like electrocution, electric shock, fire, or component failure. Critical faults include bad workmanship, drilling into wires, cracked junction boxes, missing earth bonding, polarity issues, incorrect fuse or flex sizing, bad installation, or burnt or damaged cables. If any critical faults are identified, the supervisor must be notified so a qualified electrician can be called in to rectify the issue safely. A first aider may also need to be contacted if someone has suffered an electric shock.
Electrical safetyathome
This document provides information about home electricity usage and safety. It summarizes that refrigeration accounts for 31% of home electricity use, while heating accounts for 12% and cooling accounts for 11%. It also explains the basic components of a home's electrical system, including the electric meter, service panel, circuits, and grounding. The document discusses older wiring systems like knob-and-tube and aluminum wiring that can pose fire hazards, and emphasizes having a grounded electrical system and updating to tamper-resistant and GFCI outlets for safety. It concludes by offering free safety demonstrations from San Miguel Power to local groups.
Phyin c19 practical electricity
The document discusses electricity, power, energy, electrical safety features, and calculating electrical costs. It explains that electrical appliances use heating elements to convert electrical current into heat. It defines power as the rate of energy transfer and energy as what is used, and provides the equations to calculate power, energy, and electrical costs in kilowatt-hours. The document also describes safety features like fuses, circuit breakers, earthing, and double insulation that are designed to prevent electric shock and fire.
EB WELDING
The document discusses electron beam welding (EBW). It begins by stating the objectives are to describe the principle, procedure, and applications of EBW. It then provides a history, explaining EBW was developed in 1958. The document proceeds to define key terms like electron and beam. It describes the EBW process, which involves using an electron beam in a vacuum to melt and fuse metals without a filler. It details the main parts of an EBW machine and their functions. The document outlines the welding procedure and discusses defects and controls. It lists automotive, aircraft/aerospace, and nuclear as common applications and provides advantages and disadvantages of EBW.
Electrical Power
The document discusses various topics related to electrical power including:
1) How power is calculated by multiplying voltage by current and is measured in watts. An example is given of calculating the power of a light bulb.
2) How energy is calculated by multiplying power by time and is measured in kilowatt hours. An example is provided of calculating the energy usage of an electric water heater.
3) Safety issues like short circuits, electrical shocks, grounding, fuses, and circuit breakers which protect against too much current and can be reset.
Pratical electricity
1) The document discusses the safe use of electricity in the home. It describes common electrical appliances like lighting, heating, and motors.
2) It outlines electrical hazards such as damaged insulation, overheating of cables, damp conditions, and carelessness that can cause electric shock.
3) The document provides guidance on safely using electricity through the use of fuses, circuit breakers, earthing of appliances, and double insulation to protect against electric shock.
Electricity consumption
youtube channel - #nexuspotential
in this you will learn about calculation of power consumption by house hold appliance.
If you want any data regarding this then go to my you tube channel where you will find video on this topic
Silent Alarm
It can be used in banks,Receptions and other places for security purpose.my youtube chanel (Awrockx)
video.
https://youtu.be/bFnUikXXv24
Fire Alarm Using Thermistor
Fire alarm project presentation, using NE555 IC, Thermistor.
Inside-
Circuit Diagram
Implementation
Why Fire Alarm
etc.
Circuit d
This document describes a simple clap switch circuit that uses an op-amp configured as a comparator to detect voltage differences caused by sound from a microphone. When the circuit detects a clap, the op-amp output briefly goes high, triggering a flip-flop chip to switch the load on or off. The circuit was designed by a reader and successfully tested to operate as a clap switch.
Ece Final Report for-"Various Types of electrical and electronic equipments a...
This document provides information on electrical and electronic devices. Electrical devices use or generate electricity to produce effects like heat or light, while electronic devices contain components that control electric currents and voltages. Examples of electrical devices include ceiling fans and toasters, while electronic devices include smartphones and cameras. The document also discusses the differences between electrical and electronic devices and provides details on common household devices like ceiling fans, refrigerators, irons, microphones, and toasters, explaining their basic workings.
Waste heat recovery
The document discusses the concept of using a waste heat recovery system with an air conditioning (AC) unit to generate electricity from the heat harvested by the AC unit. It notes that existing waste heat recovery systems are not very effective at recovering heat from AC exhaust. However, it proposes that a system could be designed that refocuses and blends the harvested heat with incoming energy in a way that converts all of the energy into electricity through an efficient production process, avoiding overheating issues. It suggests such a system could power buildings and electrical grids by harnessing urban heat islands. However, it acknowledges challenges like current regulations prohibiting basement AC units.
Power transmission
Electricity is first generated at power plants at 25,000 volts, then transformed to higher voltages of 400,000 volts for long distance transmission through power lines. At substations near populated areas, transformers reduce the voltage to safer lower levels for local distribution and use. Finally, small transformers further lower the voltage to 220 volts and 110 volts for use in homes and appliances. This process ensures electricity can be efficiently transmitted over long distances with minimal energy loss.
Surge current protection using superconductor ppt
This document summarizes a seminar presentation on using superconductors for surge current protection. It introduces surge currents and the need for protection against them. It then discusses superconductors and how they can conduct electricity with zero resistance below a critical temperature. Different types of superconductors are presented, as well as how superconductive surge current limiters work by providing high impedance above a given current threshold. The document concludes by discussing advantages of using superconductors for this application and future plans to introduce them into power grid transmission systems.
Agricultural solar fence introduction
This is the introduction of agriculture solar fencing energiser for farm and livestock.
www.tongertech.com
dragon@tonghertech.com
Introduction to magnetic heating of billets by stead fast engineers
Introduction to magnetic heating of billets by stead fast engineers. Find here Induction Furnace manufacturers,
Induction heater manufacturers,
Induction Billet heater Manufacturers,
Induction Melting furnace manufacturers,
Induction Furnace Manufacturers in India,
Induction Billet heater manufacturers in India,
Induction heating system,
Induction Melting Furnace for your sourcing needs.
The sustainable senator palpatine
The document discusses using waste heat recovery systems with air conditioning units to generate electricity. It explains that capturing the heat expelled by an AC unit and using it to power a boiler can convert the heat into electrical energy. This prevents the heat from dispersing and means it is no longer heat but electricity. The document also discusses using urban heat islands as an energy source and having the AC unit disperse heat back into the building or outdoor air, which would already be harvested for cooling, allowing the capture of more energy.
Transformer project
It will help us to upgrade the knowledge about the transformer that will help us to encourage about the topic so that they can gather the knowledge
SCR PROTECTION
The document discusses protection methods for SCRs (silicon controlled rectifiers). SCRs are sensitive to over voltage, over current, temperature changes, and gate malfunctions. Protection is needed to prevent damage from high dv/dt, di/dt, over voltage events like lightning surges, and over current. Methods include using capacitors to reduce dv/dt, snubber circuits for di/dt, nonlinear surge suppressors like varistors, selenium suppressors, and avalanche diodes to divert over voltage surges, and thermal protection for over current.
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To powe suply
- 1. THE POWER SUPLY 1.- What type of electric courrent reaches the sockets in our houses? 1.2.- What is this current’s voltage? 1.- The courrent continius and courrent alternative. 1.2.- In the mi house is the for 230v is convirtit in 3-12 v 2.-What type of electric courrent does a computer need to operate? 2.2.- At what voltage? Its a courrent continue. A 3-12 v 3.-What is the purpuse of a computer’s powe suply? As the powe supply operates, it becomes warm. Tn order to prevent it from overheating, there is a fan which brings cold air from the outside to cool off the inside. 4.-Why does it have a fan? For there is refrigerating.