Featured Research

from universities, journals, and other organizations

'Shocking' Research Points To Ways To Protect Technology

Date:
March 17, 2004
Source:
University Of Toronto
Summary:
Toronto's CN Tower acts as a lightning laboratory, teaching scientists how to protect delicate electronic equipment against high-voltage surges, says a new study.

Toronto's CN Tower acts as a lightning laboratory, teaching scientists how to protect delicate electronic equipment against high-voltage surges, says a new study.

Lightning data captured by measurement stations at the CN Tower point to the most effective procedures for protecting sensitive technology in tall buildings or on power lines routed through mountainous terrain. "More and more electronic equipment has very sensitive components," says study co-author Wasyl Janischewskyj, a professor emeritus at U of T's Edward S. Rogers Sr. Department of Electrical and Computer Engineering. "Even a small over-voltage can cause equipment to malfunction."

Lightning strikes the 553-metre-high CN Tower an average of 75 times per year. To direct the current into the ground, metallic conductors run down the tower and are connected to 42 grounding rods buried deep below the surface. Janischewskyj and his colleagues found that the unusual structure of the CN Tower – with its Skypod and observation deck – obstructs the downward flow of electricity and causes the current to peak in certain areas. Identifying such patterns is critical to designing protective measures, he says.

"This study gives us a better understanding of the electromagnetic field caused by a lightning strike to a tall structure," says Janischewskyj. "This can help designers incorporate the appropriate precautions, such as enclosures for sensitive equipment or special diodes that would 'short out' rather than cause an over-voltage inside the equipment."


Story Source:

The above story is based on materials provided by University Of Toronto. Note: Materials may be edited for content and length.


Cite This Page:

University Of Toronto. "'Shocking' Research Points To Ways To Protect Technology." ScienceDaily. ScienceDaily, 17 March 2004. <www.sciencedaily.com/releases/2004/03/040317073403.htm>.
University Of Toronto. (2004, March 17). 'Shocking' Research Points To Ways To Protect Technology. ScienceDaily. Retrieved September 18, 2014 from www.sciencedaily.com/releases/2004/03/040317073403.htm
University Of Toronto. "'Shocking' Research Points To Ways To Protect Technology." ScienceDaily. www.sciencedaily.com/releases/2004/03/040317073403.htm (accessed September 18, 2014).

Share This



More Earth & Climate News

Thursday, September 18, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: Wildfires in CA Burn Forest Asunder

Raw: Wildfires in CA Burn Forest Asunder

AP (Sep. 18, 2014) An out-of-control Northern California wildfire has nearly 2,800 people from their homes as it continues to grow, authorities said Thursday. Authorities said a man has been arrested on suspicion of arson for starting the fire on Saturday. (Sept. 18) Video provided by AP
Powered by NewsLook.com
Raw: Elephant Undergoes Surgery in Tbilisi Zoo

Raw: Elephant Undergoes Surgery in Tbilisi Zoo

AP (Sep. 18, 2014) Grand the elephant has successfully undergone surgery to remove a portion of infected tusk at Tbilisi Zoo in Georgia. British veterinary surgeons used an electric drill to extract the infected piece. (Sept. 18) Video provided by AP
Powered by NewsLook.com
Raw: Scientists Examine Colossal Squid

Raw: Scientists Examine Colossal Squid

AP (Sep. 16, 2014) Squid experts in New Zealand thawed and examined an unusual catch on Tuesday: a colossal squid. It was captured in Antarctica's remote Ross Sea in December last year and has been frozen for eight months. (Sept. 16) Video provided by AP
Powered by NewsLook.com
Man Floats for 31 Hours in Gulf Waters

Man Floats for 31 Hours in Gulf Waters

AP (Sep. 16, 2014) A Texas man is lucky to be alive after he and three others floated for more than a day in the Gulf of Mexico when their boat sank during a fishing trip. (Sept. 16) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins