How Do Power Lines Influence Underground Metal Corrosion?

In summary: There would be restrictions on what can be built near power lines. However, hundreds of thousands of structures near overhead power lines have decades of experience and no problems have ever been reported.According to some technical recommendation, we must be concerned about metal under ground structures (e.g. pipe lines) corrosion in neighbor of power transmission lines. Sinusoidal high current elements can produce eddy induced currents in their surroundings .The eddy currents in electrical path around of power lines are AC type inherently. On the other hand, according to electrochemical fundamental laws, the AC induced current can not be caused any oxidation or corrosion effects.How can you explain the reason of that recommendation?BEST REGARDSMSJ
  • #1
m.s.j
215
1
According to some technical recommendation, we must be concerned about metal under ground structures (e.g. pipe lines) corrosion in neighbor of power transmission lines.
Sinusoidal high current elements can produce eddy induced currents in their surroundings .The eddy currents in electrical path around of power lines are AC type inherently. On the other hand, according to electrochemical fundamental laws, the AC induced current can not be caused any oxidation or corrosion effects.
How can you explain the reason of that recommendation?

BEST REGARDS
MSJ


--------------------------------------------------------------
Creative thinking is enjoyable,Then think about your surrounding things and other thought products. http://electrical-riddles.com
 
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  • #2
It is a false alarm. Hundreds of thousands of structures near overhead power lines have decades of experience. The problems you fear are not really problems. If there were such problems , there would also be restrictions on what can be build near power lines.
 
  • #3
m.s.j said:
According to some technical recommendation, we must be concerned about metal under ground structures (e.g. pipe lines) corrosion in neighbor of power transmission lines.
Sinusoidal high current elements can produce eddy induced currents in their surroundings .The eddy currents in electrical path around of power lines are AC type inherently. On the other hand, according to electrochemical fundamental laws, the AC induced current can not be caused any oxidation or corrosion effects.
How can you explain the reason of that recommendation?

BEST REGARDS
MSJ--------------------------------------------------------------
Creative thinking is enjoyable,Then think about your surrounding things and other thought products. http://electrical-riddles.com
There can be problems with undergound pipes and cables when the power system is DC, for instance, tramway system. It was a big problem when telecom cables were lead sheathed. It was the practice to impress a cathodic protection current on the cable to give protection.
 
  • #4
If underground metal was a problem, utilities would not use metal posts to hold up the fence at substations.

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Related to How Do Power Lines Influence Underground Metal Corrosion?

1. What is electrochemical corrosion?

Electrochemical corrosion is the process by which a material, typically a metal, deteriorates due to chemical reactions with its environment. It involves the transfer of electrons between the material and its surrounding medium, resulting in the breakdown of the material's structure.

2. What causes electrochemical corrosion?

Electrochemical corrosion is caused by a combination of an anode (where oxidation occurs) and a cathode (where reduction occurs) within a material, as well as an electrolyte solution that allows for the transfer of electrons between the two. Factors such as pH, temperature, and presence of impurities can also contribute to corrosion.

3. How can electrochemical corrosion be prevented?

Electrochemical corrosion can be prevented through various methods, including the use of protective coatings, such as paint or plating, to physically block the metal from the corrosive environment. Cathodic protection, which involves using a sacrificial metal to act as the anode, can also be effective in preventing corrosion.

4. What are the effects of electrochemical corrosion?

The effects of electrochemical corrosion can range from minor surface damage to significant structural deterioration. In some cases, corrosion can compromise the integrity of a material, leading to failure of the object. Corrosion can also result in financial losses due to repairs or replacement of affected materials.

5. Can electrochemical corrosion be reversed?

While it is not possible to reverse the effects of electrochemical corrosion, it can be slowed or stopped through proper maintenance and treatment. Regular inspections and timely repairs can help prevent further corrosion and extend the lifespan of affected materials.

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