In an induction motor if air-gap is increased
WebMar 30, 2024 · If the air gap of an induction motor is increased, The permeability of the magnetic circuit will decrease The magnetizing inductance of the motor will decrease Leakage reactance will increase Leakage flux will increase The magnetizing current will increase This will cause a poorer power factor at all loads Download Solution PDF Share … WebAir Gap Power in Induction Motor The motor converts electrical energy into the mechanical rotational energy. The input voltage is fed to the stator of an induction motor. The stator …
In an induction motor if air-gap is increased
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WebIf the air gap of an induction motor is increased, the following will happen: The permeability of the magnetic circuit rotor-to-stator will decrease. The magnetizing inductance of he motor thus decreases. The magnetizing current will increase. This will … WebIn an induction motor, if the air gap is increased. (a) speed will reduce. (b) efficiency will improve. (c) power factor will be lowered. (d) breakdown torque will reduce. [GATE E.E. 1996] 6. If two induction motors A and B are identical except that the air-gap of motor ‘A’ is 50% greater than that of motor ‘B’ then.
WebMay 14, 2024 · However, an increase in air gap should also cause increase in leakage reactance, to which the maximum torque is inversely proportional. Hence its value should … WebThe air gap in an induction motor should be made small so that the induction motor gives better performance. The small air gap may result mechanical problems in addition to the …
WebDec 13, 2024 · If the air gap of an induction motor is increased, The permeability of the magnetic circuit will decrease. The magnetizing inductance of the motor will decrease. … WebIn induction motor, higher values of ampere-conductors give rise to (a) increased copper losses leading to increased temperature rise and poor efficiency. (b) increase in overload capacity. (c) decrease in size of motor. (d) all of the above. SHOW ANSWER 16. High voltage induction motors have number of ampere-conductors. (a) large (b) small
WebIn an induction motor, if the air gap is increased (a) its speed will reduce. (b) its efficiency will improve. (c) its power factor will reduce. (d) its breakdown torque will reduce. [I.E.S. …
WebDec 18, 2015 · 148. In induction motors, where the air-gap is usually quite small, it is necessary to correct the air-gap. permeance for the effect of slot openings. These make the permeance of the air-gap slightly smaller. than calculated from the physical gap, effectively making the gap a bit bigger. The ratio of effective. how do genetic mutations cause diseasesWebDec 26, 2024 · The full load torque of an induction motor does NOT depend on Q6. In case the air gap in an induction motor is increased, Q7. In squirrel-cage induction motors, the rotor slots are usually given slight skew in order to Q8. Which type of motor will work as single excited motor? Q9. how much is home heating oil todayWebmotors are sometimes built as single phase induction-run motors and these have no starting torque and have rather less torque for a given stator B-field. (You do experiments on two … how much is home depot contractors discountWebIf the air gap of an induction motor is increased, the following will happen: The permeability of the magnetic circuit rotor-to-stator will decrease. The magnetizing inductance of the … how much is home help per hourWebDec 1, 2024 · The longer air gap thickness between the motor stator and the rotor, the more cooling liquid flowing through the air gap, which results the heat exchange becomes better between the otor and the cooling liquid and the temperature rise of the motor is lower. how do genetic tests workWebin an induction motor if airgap is increases then power factor of the motor gets decreases because the motor draws more magnetizing current which lags the voltage by a more … how do genetics affect health and wellbeingWebThe most remarkable effect of the air-gap increment is the more required magnetizing current (i.e. smaller magnetization inductance). Note that the magnetizing current does … how do genetics and environment work together