HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
<<  <  Page 3/9  >  >>
warren@fourward.com
User Rank
Platinum
Re: Cool, but it's stealing
warren@fourward.com   3/25/2013 1:11:17 PM
NO RATINGS
Makes you wish the bank was as loose with the money as the power grid is with the power lines and its losses.  Maybe they are, but not with my account...

Elizabeth M
User Rank
Blogger
Re: Cool, but it's stealing
Elizabeth M   3/25/2013 11:13:53 AM
NO RATINGS
I am suprised by the theft detection as well, warren, but I guess it shows how sophisticated monitoring is. So I suppose some care is in order when engaging in something like this.

jhankwitz
User Rank
Platinum
Re: Cool, but it's stealing
jhankwitz   3/25/2013 8:53:53 AM
NO RATINGS
You can't get something from nothing. If you consume power, it has to come from somewhere. Putting a load on the secondary of a transformer will cause a load on the primary. The farmer in my discussion was wirelessly stealing power from the grid. His setup was very costly and inefficient, but he was able to get something out of it.

jhankwitz
User Rank
Platinum
Re: Cool, but it's stealing
jhankwitz   3/25/2013 8:52:48 AM
You can't get something from nothing. If you consume power, it has to come from somewhere. Putting a load on the secondary of a transformer will cause a load on the primary. The farmer in my discussion was wirelessly stealing power from the grid. His setup was very costly and inefficient, but he was able to get something out of it.

Elizabeth M
User Rank
Blogger
Re: Cool, but it's stealing
Elizabeth M   3/25/2013 6:33:21 AM
Hi, shehan, the idea is that there is ambient electricity coming from those wires that can be harvested. Think about when the electricity goes out and how quite everything is...there is no longer the hum of electronic devices or appliances. That hum is actually power being emitted from those electronics, which this device has been designed to exploit. Make sense?

warren@fourward.com
User Rank
Platinum
Re: Cool, but it's stealing
warren@fourward.com   3/24/2013 1:45:19 PM
Actually, it isn't really wasted.  The magnetic field around the Power company wires will continue to expand and contract, and as long as there is no contact with a load the field will be preserved (largely).  But when the lines of flux created by the 60 Hz AC current in the wires cut through a conductor with a load (the theft device) then energy is transfered just like in a very poor transformer.  Otherwise, the energy stays within the confines of the electric grid.

What amazes me is that they were able to detect the farmer's theft.  How in the world, with millions of kilowatts being consumed did they notice a little bit missing?

shehan
User Rank
Gold
Re: Much Ado About Nothing
shehan   3/24/2013 1:29:55 PM
NO RATINGS
"You can hold up your cell phone and measure the amoount of energy being eaten by your phone at a specific frequency.  Every antenna is designed to pull energy out of thin air at specific frequencies and provide it for amplification by a receiver.  The amount of actual power you can pull out of the air is proportional to the amount of hardware and software you've installed to do it. "

@jhankwitz- Yes all antennas have the capability of pulling power, as you said all depend on the hardware and the software you use. But this hardware need to power up to pull the power from the grid. The more power you give your hardware the more pulling power it has. I think this is not a cost efficient way as you said.

 

shehan
User Rank
Gold
Re: Cool, but it's stealing
shehan   3/24/2013 1:25:09 PM
NO RATINGS
@jhankwitz – The problem is the load on the primary lines, I think this heats up the transformers and add additional lo9ad to it. That's why power companies look for such people. Isn't there any way to do the same without creating an additional load on the primary line?

shehan
User Rank
Gold
Re: Cool, but it's stealing
shehan   3/24/2013 1:19:20 PM
NO RATINGS
@Charles- I think if we could use this to generate electricity for 10 houses it's a great achievement. This is like free electricity; we are not wasting our fuel or any other energy to generate this. We are just making use of the energy we waste.

shehan
User Rank
Gold
Re: Cool, but it's stealing
shehan   3/24/2013 1:15:58 PM
NO RATINGS
@Warren- true there a many who were prosecuted for stealing power from line that went through their property. Do you think this is a crime, as this is electricity that is wasted? I think government need to encourage such acts to minimize the electricity we waste.

<<  <  Page 3/9  >  >>


Partner Zone
Latest Analysis
A small team of engineers has created a tackling dummy robot that's comparable to training with human players on the football field.
Several plastics and elastomers have come out recently for different parts of cars, as well as for multi-material medical devices and for onboard base station antenna components.
Work in embedding conductive materials into commercially available yarn could lead to energy textiles that store power for use.
A ball bearing developed for turbofan engines by FAG Aerospace of Germany and MTU Aero Engines could have other uses such as turbines, pumps, and gearbox stages.
Fifty-six-year-old Pasquale Russo has been doing metalwork for more than 30 years in a tiny southern Italy village. Many craftsmen like him brought with them fabrication skills when they came from the Old World to America.
More:Blogs|News
Design News Webinar Series
8/13/2015 11:00 a.m. California / 2:00 p.m. New York
6/25/2015 11:00 a.m. California / 2:00 p.m. New York
6/24/2015 11:00 a.m. California / 2:00 p.m. New York
9/10/2015 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Aug 31 - Sep4, Embedded System Design Techniques™ - Writing Portable and Robust Firmware in C
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Course August 25-27:
Sponsored by MICROMO
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2015 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service