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U.S. Department of Energy
Office of Scientific and Technical Information

Stray current control on distribution water mains with diode micro drainages

Book ·
OSTI ID:83084
;  [1]
  1. Henkels and McCoy, Inc., Blue Bell, PA (United States)
Electric powered mass transit systems create stray currents which can cause severe corrosion damage that often result in leaks in ductile and cast iron water piping. The proper use of electrical isolation in pipelines can greatly reduce the total amount of stray current damage that will occur. For complete stray current protection, a system of magnesium anode groundbeds should be installed and connected to the pipeline through diodes to control the direction of stray current flow.
OSTI ID:
83084
Report Number(s):
CONF-940222--
Country of Publication:
United States
Language:
English