1. What happens in the rotating electrical machine? a) armatures are slotted b) armatures are slotted and results in the movement of rotor c) the rotor remains stationary d) the rotor slots are rotating 2. What is pulsation losses? a) flux pulsations are caused due to the slotted armature b) flux pulsations are caused due … Read more
a) amplitude of the fundamental curve = 1.27 * flux density in the air gap * cosine (phase angle/2) b) amplitude of the fundamental curve = 1.27 / flux density in the air gap * cosine (phase angle/2) c) amplitude of the fundamental curve = 1.27 * flux density in the air gap / cosine … Read more
a) north and south pole of a machine are similar b) no harmonics c) no cosine terms d) north and south pole of a machine are similar, no harmonics, no cosine terms
a) z-series b) fourier series c) fourier transform d) z-transform
a) air gap under the pole arc is not constant, fringing effects are considered b) air gap under the pole arc is constant, fringing effects are considered c) air gap under the pole arc is constant, fringing effects are not considered d) air gap under the pole arc is not constant, fringing effects are not … Read more
a) sinusoidal b) rectangular c) square d) circular