 
 example 4 14   
 
 (a)   
 line current of capacitor bank 2.9A 
 load current 32-24iA 
 total line current 32-21.1jA 
 overall p.f 0.835 
 new line loss to old line loss  0.697
 phase current of capacitor bank 5.027A
 line current of capacitor bank 8.7A
 total current 32-15.3jA =35.47A at an angle -25.54
 power factor 0.9 
 ratio of new line loss to original loss 0.786 