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What is the formula for the rotor bar skew angle?
Answer: d Explanation: The rotor slot pitches through which bars are skewed, number of rotor slots and number of poles are calculated. On substitution the rotor bar skew angle is obtained.
Answer: d
Explanation: The rotor slot pitches through which bars are skewed, number of rotor slots
and number of poles are calculated. On substitution the rotor bar skew angle is
obtained.
See lessWhat is the value of the stator slot leakage factor?
Answer: c Explanation: Stator slot leakage factor is used in the calculation of the skew leakage reactance. The value of the stator slot leakage factor is 0.95 in the single phase induction motor.
Answer: c
Explanation: Stator slot leakage factor is used in the calculation of the skew leakage
reactance. The value of the stator slot leakage factor is 0.95 in the single phase
induction motor.
See lessWhat is the relation of the overhang leakage reactance with the average coil span in slots?
Answer: c Explanation: The overhang leakage reactance is one of the parameters used in the leakage reactance calculation. The overhang leakage reactance is directly proportional to the average coil span in slots.
Answer: c
Explanation: The overhang leakage reactance is one of the parameters used in the
leakage reactance calculation. The overhang leakage reactance is directly proportional
to the average coil span in slots.
See lessWhat is the relation between pole pitch and the magnetizing reactance?
Answer: b Explanation: The magnetizing reactance is one of the parameters in the leakage reactance calculation. The magnetizing reactance is directly proportional to the pole pitch.
Answer: b
Explanation: The magnetizing reactance is one of the parameters in the leakage
reactance calculation. The magnetizing reactance is directly proportional to the pole
pitch.
See lessThe magnetizing reactance is directly proportional to the saturation factor.
Answer: b Explanation: The magnetizing reactance is one of the components used in the leakage reactance calculations. The magnetizing reactance is indirectly proportional to the saturation factor.
Answer: b
Explanation: The magnetizing reactance is one of the components used in the leakage
reactance calculations. The magnetizing reactance is indirectly proportional to the
saturation factor.
See lessWhat is the formula of the saturation factor?
Answer: c Explanation: The total mmf required for the magnetic circuit and the mmf required for air gap is calculated. On substitution of the values the saturation factor is calculated.
Answer: c
Explanation: The total mmf required for the magnetic circuit and the mmf required for air
gap is calculated. On substitution of the values the saturation factor is calculated.
See lessWhat is the range of the ratio of the total cross section of rotor bars to the total stator copper section for main winding for aluminium?
Answer: c Explanation: The minimum value of range of the ratio of the total cross section of rotor bars to the total stator copper section for main winding is 1. The maximum value range of the ratio of the total cross section of rotor bars to the total stator copper section for main winding is 1.6.
Answer: c
Explanation: The minimum value of range of the ratio of the total cross section of rotor
bars to the total stator copper section for main winding is 1. The maximum value range
of the ratio of the total cross section of rotor bars to the total stator copper section for
main winding is 1.6.
See lessWhat is the formula for the area of each bar?
Answer: a Explanation: The current through each bar and the current density through each bar is calculated. On substitution the area of each bar is obtained.
Answer: a
Explanation: The current through each bar and the current density through each bar is
calculated. On substitution the area of each bar is obtained.
See lessWhat is the formula of the area of each end ring?
Answer: c Explanation: First the total cross section of rotor bars along with the number of poles are calculated. On substitution the area of each end ring is obtained.
Answer: c
Explanation: First the total cross section of rotor bars along with the number of poles are
calculated. On substitution the area of each end ring is obtained.
See lessWhat is the formula of the rotor teeth flux density?
Answer: a Explanation: The maximum flux, the number of rotor slots per pole and the length of teeth along with the depth of rotor core is calculated. On substitution the flux density of the rotor teeth is obtained.
Answer: a
Explanation: The maximum flux, the number of rotor slots per pole and the length of
teeth along with the depth of rotor core is calculated. On substitution the flux density of
the rotor teeth is obtained.
See less