A three phase 4 wire system is commonly used for________.
Primary
distribution
Primary
transmission
Secondary distribution
Secondary
transmission
Secondary distribution
A
three phase 4 wire system is commonly used for secondary distribution.
Distribution
is divided into two types based on voltage levels.
Primary
distribution, 11 kV and 33 kV. Secondary distribution, 440 V and 230 V.
Hence,
the correct option is (C).
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