This article was posted 03/14/2007 and is most likely outdated.

Equipotential Grids Required by the NEC - Are they Useless?
 

 
Topic - NEC
Subject
- Equipotential Grids Required by the NEC - Are they Useless?

March 14, 2007  

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Equipotential Grids Required by the NEC - Are they Useless?

 

ImageThe following paper describes Stray Voltage Service’s www.strayvoltage.ca approach in dealing with farm neutral to earth voltage. They have tested over 2,500 farms for stray voltage and this maybe more than any organization has done. The approach they offer provides real world low cost technical solutions to stray voltage in two broad ways; first by balancing secondary farm neutral loads and then secondly by reducing the remaining non-engineered electricity paths from passing through farm animals. This paper identifies the technical failures of the past and current standard stray voltage mitigation techniques and its outcomes. This paper describes some impressive results offered using our remote monitoring oscilloscope services to farmers across North America and the world.

 

Click here or on the image to view this paper titled: Solutions to Farm Neutral to Earth Voltage provided by Stray Voltage Services.

 

 

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Comments
  • David uses his extensive knowledge and experience to solve the problems and he does NOT try to mask the problems. The e-plane and neutral interconnection between the electrical distribution systems (primary and secondary) are not designed for the cows safety. The only answer that truly works, is the removal of the source or in simple terms, the removal of the electrical voltage/current accessing the cows in their enviroment. AC 50 and AC 60 are at cow contact because of the source, it does not occur in nature, it is man-made or generated by man. We have to use electricity safely and keep it away from the cows. This sounds like a simple statement but it is NOT simple to accomplish. David and I have become friends and I am extremely proud to call him a friend. Mike, thank you for sending out this very important newsletter!!

    In response to the VFD issue, David has demonstrated that VFD's can be a problem, if they are not properly installed and designed. David, to the best of my knowledge, is not against VFD's, if they do not cause problems for the cows.

    Chuck Untiedt

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