A 10 kW, 250V DC, 6-pole, long-shunt generator runs at 1000 RPM when delivering full-load. The armature has 534 simplex lap connected conductors. The full-load total Cu losses are 660 W and the total brush drop is 1 volt. Determine the flux per pole if the field resistance is 250 ohms and series field resistance is 0.05 ohms.

An 8- pole dc generator has 500 armature conducters and a useful flux of 0.05 Wb. A. What will be the emf generated, if it is lap- connected and runs at 1200 rpm? B. What must be the speed at which it is to be driven to produce the same emf if it is wave wound.

Problem #1: A 6-pole, 3-phase, Y-connected, 60-Hz alternator has 12 slots per pole and 4 conductors per slot. The winding is 5/6 pitch. There are 0.025 Wb entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. Determine (a) pitch factor (b) distribution factor (c) induced emf per phase

A 6 pole DC wave wound generator has 41 armature conductors with Flux per pole is 26 mWb and the e.m.f generated is 79 V, then the speed of machine is ?

A 4 pole generator with wave wound armature has 58 slots each having 20 conductors. The flux per pole is 0.01 Wb. (i) At what speed must the armature rotate to give an induced EMF of 235V is, (ii) What will be the voltage developed, if the winding is lap connected and the armature rotates at the same speed is,

the armature of a 12 pole wave wound dc shunt generator has 50 slots with 12 conductors per slot. the generatoris running at a speed of 625 rpm and supplies a resistive load of 15 ohm at a terminal voltage 350v. the armature and the field reisitance are0.5 ohm and 70 ohm respectively. find the armature current,generated emf and flux per pole

A 6 pole generator with wave wound armature has 58 slots each having 20 conductors. The flux per pole is 0.01 Wb. () At what speed must the armature rotate to give an induced EMF of 230V is, GD What will be the voltage developed, if the winding is lap connected and the armature rotates at the same speed is,

A 4 pole generator with wave wound armature has 56 slots each having 28 conductors. The flux per pole is 0.01 Wb. (i) At what speed must the armature rotate to give an induced EMF of 230V is, (ii) What will be the voltage developed, if the winding is lap connected and the armature rotates at the same speed is,