Zs value

D

dave-gardiner

how can i improve my Zs values at several distribution boards on 3 phase industrial site. tncs.
 
run in new earth wires to mains boards this will lower r1+r2 of sub mains and so zs of final circuits
 

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Zs value
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Electrical Wiring, Theories and Regulations
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Created
dave-gardiner,
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