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The performance of Stirling engines meets the demands of the efficient use of energy and environmental security and therefore they are the subject of much curren...
Micro Electro Mechanical Systems (MEMS) are the highly miniature device or an array of devices combining electrical and mechanical components that is fabricated using IC batch processing. MEMS are...
“Struck by lightning†is a metaphor for sudden, unpredictable disaster. A large thunderstorm can produce over 100 lightning flashes a minute, and even a modest storm cloud can generat...
The objective of the solar power satellite (SPS) is to convert solar energy in space for use on earth. Its most significant benefit is the potential for continuously generating large-scale electric...
A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles ar...
Recently, due to concerns about the liberalization of electricity supply, deregulation, and global impact on the environment, securing a reliable power supply has become an important social need world...
All renewable energy (except tidal and geothermal power), ultimately comes from the sun. The earth receives 1.74 x 1017 watts of power (per hour) from the sun. About one or 2 p...
Due to intermittent natural energy resources and energy resources seasonal un-balance, a PV-wind hybrid electrical power supply system was developed for many remote locations where a conventional g...
WiTricity is nothing but wireless electricity. Transmission of electrical energy from one object to another without the use of wires is called as WiTricity. WiTricity will ensure that the cell phon...
Conventional substations requires, small installation size, protection against atmospheric pollution and moisture, noiseless operation, nonexplosive and flame resistant, reduced maintenance, minima...
WHAT ARE HARMONICS AND WHAT CAUSE HARMONICS? Harmonics are currents or voltages with frequencies that are integer multiples of the fundamental power frequency being 50 or 60Hz . Harmonic...
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. <span style="font-size: 1...
An accurate electric current transducer is a key component of any power system instrumentation. To measure currents, power stations and substations conventionally employ inductive type current transfo...
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 innovation to keep pace...
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 team at Rensselear poly...
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 to space hav...
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 to do. But life comes and calls qu...
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 and conventional lam...
A transducer is a device, usually electrical, electronic, electro-mechanical, electro-magnetic, photonic, or photovoltaic that converts one type of energy or physical attribute to another (generally e...
Satellite cross links generally require narrower bandwidths for increased power concentration. We can increase the power concentration by increasing the cross link frequency with the same size antenna...