Answer / hari

in 16 sq mm cable aluminium air 64amps ground 71amps duct
60amps temp 35degrs
in 16 sq mm cable copper air 83amps ground 92amps duct
72amps temp 35degrs

Answer / karan

You can refer to the cable manufacturers details and most
of them are availale on the net.

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

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