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We use ungrounded DC system (220V/110V) for control and
protection system in substations etc. Suppose we have long
2 core DC cables running from our DCDB in control room to
the load (length of around 2 to 3 km). Do we need to
protect these long DC cables from earth leakages or not? If
yes how?
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Answer Posted / sanjay
You can use online Insulation Monitor Bender Germany make
products for above requirement you can also see website for
more details: www.bender.org many Steel Plant, Substation
are using Bender products same applicaton.
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