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|German to English translations [PRO]|
Tech/Engineering / Railways
|German term or phrase: abgreifbare Spannung|
|Railways. Prevention of corrosion due to stray current in DC traction systems.|
I have found this definition, but no translation in English.
"Spannung des Schienenpotentials während des Betriebes hervorgerufen wird. Teil dieser Spannung, der von Menschen überbrückt werden kann."
Any ideas most welcome. Thanks Edward.
"Touch potential" is the voltage between the energized
object and the feet of a person in contact with the object. (ref 1)
"A consequence of having good rail insulation contributes to higher rail voltages on the system, which may introduce hazardous touch potentials to personnel and passengers at stations (for example, a passenger touching a vehicle body whilst a train is at the station)." (ref 2)
Selected response from:
Local time: 09:37
|All useful input, but the response from John seems to answer the question.|
Thanks to all.
4 KudoZ points were awarded for this answer
51 mins confidence:
Duden Oxford: ab|greifen unr. tr. V. a) measure (with one's hand); eine Strecke mit dem Zirkel abgreifen: measure a distance with compasses; s. auch abgegriffen 2;
b) (Elektrot.) pick up
Local time: 08:37
Native speaker of: English
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Along transmission lines there are several different hazards:
1. Cracked insulators on high voltage towers render the tower hot, whereby you have voltage differentials across the ground, painful to cattle, as the voltage seeks a return path.
2. Electro magnetic radiation along high tensionlines
3. Electro magnetic induction from high tension lines
4. Negative Return. A wire attached to the rail (or ground) that is used to return spent DC voltage (current) to the power source. The vast majority of systems attach the negative return to the rail. When ground is used as the negative return on DC systems, stray voltage may cause corrosive damage to utility connections (water, gas, etc.) of buildings near the ROW.
Look also in Google for court cases relatind to alledged damage due to such stray voltages. Many of the problems affect cattle and horses more than people, because of the greater distance between their legs, they can pick up larger voltages from the ground.
Note added at 2004-01-15 16:00:13 (GMT)
ROW (Right Of Way)
The area between and directly adjacent to the tracks. Also refers to dedicated off-street tracks for light rail vehicles. Light Rail systems have the ability to control work performed in or adjacent to the ROW.
Local time: 03:37
Native speaker of: German
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