Mechanica 2011 - IIT Madras

April 9,10 (Mechanical)

Mechanica 2011, an annual technical festival of the Mechanical Engineering Department of IIT Madras, Chennai. At Mechanica, we present to you unparallel oppoirtunities to test your skills.

National Symposium on Rotor Dynamics - IIT Madras

December 19,20,21

Most machines have one or more rotating parts. Rotating machine elements thus form the backbone of industrial infrastructure and therefore play a pivotal role in the growth and development of the country. Rotor Dynamics is the key in design and maintenance of all such rotating machinery. This area has made tremendous strides in recent years.

ObCom 2011 - VIT

September 9

This International Conference is a major event to be conducted following the grand success of series of ObCom conferences during 2003, 2004 and 2006, which were audited by a good number of participants from Academia and Industry across the World. The past ObCom conferences received good contributions from academia, industry and research organizations. Our sponsors included governmental and non-governmental agencies like DRDO, ISTE, DIT, CSIR etc.

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Technical Papers and Symposium Details

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Abstract:

The fractional frequency transmission system FFTS is a very promising long -distance transmission approach, which uses lower frequency (50/3) to reduce the electrical length of the AC power line, and thus its transmission capacity can be increased several fold .   This paper introduces the primary experiments results of FFTS. 
 
The experiment uses the phase-controlled cycloconverter as the frequency changer, stepping up 50/3Hz electricity to 50Hz   electricity and supplying it to the utility grid. Thus, a new flexible ac transmission system device is successfully established   in this experiment. The synchronizing process of 50/3Hz transmission   system   with 50Hz utility system is introduced   in this paper. The experiment results   show that a 1200km/500kv transmission   line can transmit more than 2000MW electric power when employing the FFTS. The experiment also illustrates   that there is no essential difficulty   to realize FFTS in engineering practice.


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WIRELESS POWER TRANSMISSION

Posted by tpapers On 6:38 pm 1 comments
Abstract:

Electricity plays a vital role in our day to day life and also there is a great demand for electricity today. Transmission losses are also one of the reasons for this demand. Since transmission is a main part of the power system it should be more efficient. During transmission there is a loss of 30%.To eliminate these losses we need a new technique which is called recent trend. The recent trend for efficient transmission of power is the “wireless power transmission system”. This paper exposes a new method for wireless power transmission using EM waves that comprises a transmitter and receiver in which we get a transmission efficiency of 95%. The receiver does not require an independent power source and it is comprised of an optical feedback to the transmitter and does not require a separate communication channel to the transmitter. The transmitter uses the optical feedback to locate and track the receiver. The transmitter can optionally employ a macro adjusters and micro adjusters that direct the beam onto the receiver for optimal power transmission. The system also optionally has a tight loop beam detector to enhance the safety of the system. Either the receiver or transmitter may also encode data on the energy transmission, resulting in one-way or two-way data transmission.

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