Friday, March 4, 2011

CrazyEngineers Forum - Electrical & Electronics Engineering

CrazyEngineers Forum - Electrical & Electronics Engineering

CHP feasibility study

Posted: 03 Mar 2011 08:24 AM PST

Hey guys, was wondering if you could give me some advice on the following :
I want to install a chp machine to power a known intraday load profile. How do I pick which is the best sized generator to power my electric load since I will have the economic benefit of exporting to the grid. So how do I balance installed capacity with pricing ?
Apart from my electric : thermal ratio how do I bring the thermal bit into the equation?


Thanks

Width of Memory

Posted: 03 Mar 2011 06:13 AM PST

Hi,
Why does most of the memories have byte width , i.e , each location of a memory has a width of 8 bits. Why can't it be 4 bits or 16 bit or any other no.?

Doubt regarding DSB SC,SSB SC modulation techniques

Posted: 03 Mar 2011 05:22 AM PST

Hello engineers,
I have a very big doubt in DSB SC,SSB SC modulation techniques.we know that the message signal is modulated with a carrier signal of a high frequency for various advantages.my doubt is that in these techniques ,we are suppressing the carrier.what is the need of modulating a signal with a carrier signal and then again suppress it?

Quantum Dots Technology Discussion

Posted: 03 Mar 2011 04:52 AM PST

The world is moving the past-PC era and soon we'll see touch screen devices everywhere. There's lot of innovation happening on the display technology and it seems that Quantum Dot technology will soon give QLED and SAMOLED technologies some good inferiority complex.

I stumbled upon The Quantum Dots Technology article on Wikipedia: Quantum dot - Wikipedia, the free encyclopedia

How do you see the Quantum Dots defining the future of displays? Share your ideas.

Modular Long Flashover Resistor Discussions

Posted: 03 Mar 2011 04:43 AM PST

About 30-40% of power outages around the world are caused due to the lightening. The transmission lines are subjected to both direct lightning strokes and induced over voltages. Of these, the contribution of lightning towards the disruption of power flow is more. To protect transmission lines from the lightning and induced over voltages, separate protective schemes are essential according to the conventional protective design. Surge absorbers protect the lines from induced over voltages whereas lightning arrestors are used to bypass the lightning stroke to ground. With the advent of Modular Long Flash over Arrestor or LFA-M, we no more need separate arrangements for the above two problems.

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