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No energy is required by the load, and all energy generated by the PV array is stored in the flywheel. The PV energy is greater than the load and the surplus is stored in the flywheel. The PV energ...
Audio spot lighting is a very recent technology that creates focused beams of sound similar to light beams coming out of a flashlight. By ‘shining’ sound to one location, specific listeners can be...
Oceans cover more than 70% of Earth's surface, making them the world's largest solar collectors. The sun's heat warms the surface water a lot more than the deep ocean water, and this temperature diffe...
Adaptive optics is a new technology which is being used now a days in ground based telescopes to remove atmospheric tremor and thus provide a clearer and brighter view of stars seen through ground bas...
Technology is increasing our energy needs, but it is also showing in new ways to generate power more effetely with less impact on the environment. One of the most promising options for supplementing f...
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 str...
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, cell phones, l...
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 rectifier, which c...
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 distribution system...
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 a voltag...
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 the available electrod...
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....
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 that g...
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 ultrasonic m...
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, with a view to r...
A major problem facing Planet Earth is provision of an adequate supply of clean energy. It has been that we face “...three simultaneous challenges -- population growth, resource consumption, and env...
Magnetic Levitation is a way to suspend objects in air without any support, as if in defiance of gravity. An unsung phenomenon of the past which is now being put to use in a variety of interesting and...
The unique feature of the vehicle is being solar operated system, but it does not use battery to supply the motor, instead it uses capacitor banks there are four different capacitor banks used in this...
The measurement of electric current strength is not always easy, especially when the measured signal requires further electronic conditioning. Simply connecting an ammeter to an electrical circuit a...
With the advancement of power system, the lines and other equipment operate at very high voltages and carry large currents. High-voltage circuit breakers play an important role in transmission and dis...