Question

Determine the efficiency and regulation of a 3-phase, 100 km, 50 hz transmission line delivering 20 mw at a p.F. Of 0.8 lagging and 66 kv to a balanced load. The conductors are of copper, each having resistance 0.1 ohm per km, 1.5 cm outside dia, spaced equilaterally 2 metres between centres. N eglect leakage reactance and use nominal-t method​

Answer 1

Answer:

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