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Non-Power Sources |
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In 1996, the Minnesota science advisors expanded the previously accepted definitions
of stray voltage to suit the scope of their study. This definition
[Minnesota-1996]
included
non-power sources of stray voltage like DC currents, telephone systems, and galvanic
corrosion protection currents on pipelines. These phenomena are similar to and may be
combined with farm and utility power sources to outline the overall stray voltage picture. |
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This generalization, while appropriate for a broad investigation, does not add any value
to the our examination of the role of power systems in the stray voltage issue.
The principles and techniques described on these pages would generally apply to the study of
these other sources as well, whether they deal with telephone currents in the earth or
other DC currents. The focus on these pages, however, is on stray voltage as it relates to electric power systems.
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