Transducer

A transducer is a device, usually electrical, electronic, electro-mechanical, electro-magnetic, photonic, or photovoltaic that converts one type of energy or physical attribute...

Radio Frequency Light Source

RF light sources follow the same principles of converting electrical power into visible radiation as conventional gas discharge lamps. The fundamental difference between RF lamps...

Solar Sail

Hundreds of space missions have been launched since the last lunar mission, including several deep space probes that have been sent to the edges of our solar system. However, our journeys...

Antisleep Alarm for Student

While actually giving in to our body’s natural wants such as sleep, we’re keeping the balance beam in an upright and neutral position — generally a good thing...

Magneto Optics Current Transformer

An accurate electric current transducer is a key component of any power system instrumentation. To measure currents, power stations and substations conventionally employ inductive...

Five-Phase Brushless DC-Machine Direct Drive System

The majority of electrical drive systems are three-phase systems. Recently some quasi-four-phase systems employing neutral leg also have been used for harmonic optimization...

Tri Gate Transistor

Tri-Gate transistors, the first to be truly three-dimensional, mark a major revolution in the Semiconductor industry. The semiconductor industry continues to push technological...

Paper Battery

The creation of the paper battery drew from a diverse pool of disciplines, requiring expertise in materials science, energy storage and chemistry. In august 2007, a research...

Automatic Street Light

Needs no manual operation for switching ON and OFF. When there is need of light. It detects itself weather there is need for light or not. When darkness rises to a certain value then automatically...

Wireless Electricity

Our forefathers marveled at the invention of glowing light bulbs by Thomas Edison in 1879. However, to us 21st centurions, the light bulb is nothing out of the ordinary. When computers...

Electricity Generated by Hand Wheel

The stator contains six coils of copper wire, cast in fibreglass resin. This stator casting is mounted onto the spine; it does not move. Wires from the coils take electricity to the...

Renewable Energy

Ever since 1973 oil crises, many countries have justifiably maintained an abiding interest in renewable energy sources and as a result many renewable energy programs were developed...

Grid Voltage Regulation

S the penetration level of the renewable energy resources(such as wind, solar, fuel cells, etc) is increasing, dependence on these resources to support load demand in modern power...

Space Vector Modulation For THREE-LEG Voltage

The topology of a three-leg voltage source inverter is shown in Fig. 2.1. Because of the constraint that the input lines must never be shorted and the output current must always be continuous...

Super capacitors Energy Storage System

Supercapacitor is a double layer capacitor; the energy is stored by charge transfer at the boundary between electrode and electrolyte. The amount of stored energy is function of...

Accident Statistics, Buzzer During any Accident

Accident statistics: India's road accident record: 16 % of the world's road accident death happens in India, while India has only 1 % of the world's road vehicles. SO THERE IS...

Hybrid Electric Vehicle

Have you pulled your car up to the gas pump lately and been shocked by the high price of gasoline? As the pump clicked past $20 or $30, maybe you thought about trading in that SUV for something...

Ultrasonic Motor

All of us know that motor is a machine which produces or imparts motion, or in detail it is an arrangement of coils and magnets that converts electric energy into mechanical energy and...

Latest Technology in Current Measurement

Over the past 15 years, optical current sensors have received significant attention by a number or search groups around the world as next generation high voltage measurement devises...

Electric Shock

An Electric shock can occur upon contact of a human or animal body with any source of voltage high enough to cause sufficient current flow through the muscles or nerves. The...