Q8 A 4-pole, 250W, 115V, 60 Hz capacitor-start induction motor takes a full-load line current of 5.3A while running at 1760 r.p.m. if the full-load efficiency of the motor is 64%, find (i) motor slip (ii) power factor and (iii) full-load torque. Ans[ 0.022, 0.64 lag, 1.35N.m]

Q: 2. A 50-kW, 440-V, 50-Hz, six-pole induction motor has a slip of 6 percent when operating at…

A: Dear,as per company guidelines we can answer only 3 sub-parts at a time, kindly post other sub-parts…

Q: The nameplate of a squirrel-cage induction motor has the following information: 25HP, 220 V,…

A:

Q: A 6-pole, 60-Hz, Y-connected, three-phase induction motor develops a torque (Td) of 250 N.m at a…

A: According to question: The synchronous speed and slip of the motor is calculated as…

Q: A 3 phase, 50 Hz, 6 pole induction motor has a full load slip of 8 %. The Totor resistance is 0.005…

A: For the 3 phase induction motor, P=6 f=50 Hzsf=8%=0.08R2=0.005 Ω/phX2=0.008 Ω/ph It is asked to find…

Q: The power input to a 500V, 50Hz, 6 pole, 30 squirrel cage induction motor running at 975 RPM is…

A:

Q: A 240-V, 900 rpm DC series motor takes 25 A at full load. The armature resistance is 0.2 Q and the…

A:

Q: A three-phase induction motor is rated at 5 hp, 1760 rpm, with a line-to-line voltage of 220 Vrms.…

A: Speed regulation is independent of motor rating and voltage  The only things needed are no load and…

Q: A three-phase, 50-Hz, 6-pole induction motor develops a useful torque of 120 Nm at full-load, while…

A: Here 3 phase induction motor is given and the rotor frequency is given so find the slip synchronous…

Q: A four-pole, three-phase 415 V, 50 Hz induction motor has a rated rotor speed at 1445 rpm. The motor…

A:

Q: A 40Hp, 230V, 10pole, 50Hz three-phase induction motor is running at 585 rpm at rated load. If the…

A:

Q: For a 10 kW, 380V, three-phase, four-pole, 1200 r/min, delta-connected induction motor. Adopt a…

A: Introduction Induction motors are started with a star connection to reduce the beginning current by…

Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.