QUESTION EIGHT
(a) Non-reactive loads of \( 10 \mathrm{KW}, 8 \mathrm{KW} \) and 5 KW are connected between the neutral and the red, yellow and blue phases respectively of a 3-phase, 4-wire system. The line voltage is 400 V . Solve:
(i) The current in each line and
(ii) The current in the neutral wire.
[12 marks]
(b) A 3-phase motor load has a power factor of 0.397 lagging. Two wattmeters connected to measure power show the input as 30KW. Find the reading on each wattmeter.
[8 marks]