CH1
Chapter 1 · Choosing a motor
Tutorials 1.1 and 1.2 of the booklet, then practice linked to Lab I and extra practice written for this site.
7 exercises
- 01Analysis of motor nameplate dataPoles, slip, full-load torque, input power and power factor from a nameplate (1 HP ≈ 746 W). · 6 questionsTD 1.1Not started
- 02Integrated motor selectionThe three cases of the tutorial: pump, hoist and conveyor, sized and chosen from the Apex Global Series catalogue. · 8 questionsTD 1.2Not started
- 03Reading a nameplate (50 Hz)Synchronous speed, slip and rated torque from kW and rpm. · 3 questionsExtra practiceNot started
- 04Hoist through a gearboxCarry speed, torque and power from the rope drum to the motor shaft. · 3 questionsExtra practiceNot started
- 05The induction-motor torque curveBreakdown slip, breakdown torque and starting torque from the equivalent circuit (Lab I model). · 3 questionsLab INot started
- 06RMS torque of a duty cycleThe thermally equivalent torque of an intermittent cycle, and its cyclic duration factor. · 2 questionsLab INot started
- 07Referred inertia and acceleration timeCarry a load's inertia through a gearbox and find how long the motor takes to reach speed. · 2 questionsExtra practiceNot started