"aav0080" - 1 õppematerjal

Quiz3 vastatud

3. Quiz on Electrical Drive Motors and Models 1. What types of motors have the single-sided excitation? -(linear) synchronous 2. What types of motors have the dc excitation? - 3. What types of motors have the permanent magnet excitation? -synchronous, DC 4. What types of motors have the dc supply? -DC, synchronous 5. What types of motors have the slip rings? -induction 6. What types of motors are the brushless motors? -DC, synchronous 7. What orthogonal reference frames do you know? -(,)stator; (d,q)rotor;(x,y)arbitrary 8. What natural reference frames do you know? -3 phase 9. What stationary reference frames do you know? -stator 10. Write the frequency equilibriums that you know. -induction:w1=w2+w12;synchronous:w1=w12;DC:w2=-w12 11. What is the result of the mutual motion of the stator and rotor windings? -torque??? 12. What variables does the flux depend on? -L12 I12? L ja I 13. Write the formulae of the synchronous speed. -2*pii*f1/...