Question

(a) Why are de series motors used to start heavy loads? (b) Show that at maximum efficiency of a de generator, the variable loss equals constand los (c) A shunt generator delivers 450 A at 230 V and the resistance of the shunt Sield and aanure are 50 Ω and 0.03 Ω respectively. Calculate the generated emf V transformer takes a no load current of 7.5 A and absorbs 190 W if the priuy , dote uine uae(i) core iss No load power factor间active (d) A 230/2300 winding resistanc, is 0.0g Ω and magnetizing components of the input current.