1. Asynchronous motor has an extensive application in manufacture.

2. Starting the three - phase asynchronous motor is important in the teaching and experiment Electrotechnology.

3. Asynchronous motor is a high-order, nonlinear and strong - coupling system of multi - variables.

4. Local compensation is mainly used on the asynchronous motor with steady load, irreversible and mass capacity, such as air blower, water pump and so on.

5. A soft starting controller of the asynchronous motor based upon STC microprocessor is proposed and the operational principle of the controller, functional block diagram are given.

6. A slip frequency control system of asynchronous motor used DSP as control center is presented, which apply to the electric tourist car.

7. The fault simulation on an asynchronous motor model in EMTDC / EMTP is carried out and compared with the experimental data of a test motor.

8. So, it's greatly significant to protect well AC asynchronous motor. "

9. YS Series three - phase asynchronous motor meets related stipulations of IEC standard.

10. The 3 - phase regulating circuit of asynchronous motor system is analyzed and simulated by MATLAB.

11. The generation of the residual voltage for asynchronous motor after AC Dump (RVACD) is analyzed, it establishes the simulation calculation model and carries out simulation calculation.

12. Y2 series three-phase asynchronous motor: Y series motor is based on the modified design of the new motor.

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13. Analysis and simulation using this approach to T-II asynchronous motor show that influence of rotor circuit parameter on motor dynamics disappeared.

14. The no-load test and short-circuit test can mensurate parameters of asynchronous motor, but cant separate stator reactance from rotor reactance.

15. In 1985, M. Depenbrock proposed the Direct Torque Control ( DTC ) method of asynchronous motor.

16. FZY series is outrotor axial-flow fan with the Capaccitor - star motor or or three - phase enclosed asynchronous Motor.

17. Effective speed identification in low speed and standstill area is an important item for speed sensorless control of asynchronous motor.

18. The paper deals with improvements on traditional control circuits of the asynchronous motor.

19. The operational characteristic of beam pumping unit is introduced, beam pumping unit is running,() the cause changing three-phase asynchronous motor as a generator is also analyzed in detail.

20. On the basis of qualitative analysis of the stator structure, rotor structure, winding design and start element, a single-phase asynchronous motor for railway point switch is developed.

21. In this thesis the author made a study of asynchronous motor model, designed a hybrid simulation system of DTC and analyzed the characteristics of the DTC system and the existing problems.

22. YY Series motor is single - phase capacitor running asynchronous motor, meets related stipulations of IEC standard.

23. Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.

24. This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.

25. After analysing the three existing overmodulation strategies, this paper perfects the overmodulation strategies and builds the overmodulation model of asynchronous motor vector control system.

26. We use PLC to achieve the commencement of three - phase asynchronous motor control.

27. Affected by electromagnetism and structure, the rotor shaft of big length to diameter ratio high power density asynchronous motor shows low intensity and bad rigidity.

28. By instance confirmed the method validity and has comprehensive promoting and using value in asynchronous motor energy saving aspect in industrial and mining establishments.

29. A new method controlling the speed of a motor by using the rotor frequency of a wound-rotor asynchronous motor is introduced.

30. The utility model can be used in all squirrel cage type asynchronous motors, particularly suitable for vehicle squirrel cage type asynchronous motor.

31. Programme using three - phase asynchronous motor synchronous transmission programme converter and PLC.

32. FA series is a single-phase capacitor-start motor axial-flow type exhaust fan. FTA is a three-phase asynchronous motor axial-flow exhaust fan.

33. Programme using three-phase asynchronous motor synchronous transmission programme, Winding system design is based on the frequency converter and PLC.

34. This paper introduces the method of obtaining the performance characteristic of the asynchronous motor with circle diagram by use of microcomputer.

35. Torque estimation of asynchronous motor by measuring voltages and current of the motor.

36. There are also two and - phase asynchronous electrical comparison, and - phase asynchronous electrical - cage type rotors and asynchronous motor.

37. The improvement on the start control circuit of wound asynchronous motor is introduced.

38. As a normal calculation method for asynchronous motor starting resistance, whether diagram drawing or analytics, usually there should be many trials.

39. There are many ways to start the three - phase AC asynchronous motor.

40. Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.

41. This article presents several start ways of rat cage type three photograph asynchronous motor in intelligent control and its advantage and shortage.

42. The results show that the soft starter could start up smoothly and reliably, and the starting current of the asynchronous motor is controlled.

43. Three - phase list asynchronous motor of squirrel cage starting characteristic the parameter resolution through the electrical machinery.

44. The asynchronous motor structure is simple, the movement reliable, is advantageous for the maintenance, the low in price, thus present, the developed country mostly uses the motor.

45. This paper presents a new calculus formula and control method for the starting resistance in the rotator of wound asynchronous motor.

46. A method in the improvement of current relay controls winding asynchronous motor starting circuit is put forward, and the merit(), demerit of it are described in the paper.

47. Powder coupling is an energy - saving coupling and can realize the soft start of asynchronous motor.

48. A prototype was built with two digital controlled inverters in parallel feed an asynchronous motor.

49. The effects of skewed slot angle on the starting torque of a single phase asynchronous motor are demonstrated by theoretic analysis and by experiments.

50. According to asynchronous motor diverse performance, designing two control model-slope voltage start control model and constipation current start control model.

51. Owing to many reasons, the asynchronous motor often appears all kinds of troubles in operating.

52. In the end, the intelligent asynchronous motor fault diagnosis system combining information fusion with artificial network as well as expert knowledge system is presented.

53. When start up a 3-phase asynchronous motor, it is generally realized by energizing or de-energizing 2 to 3 contactors in a certain time order.

54. JY series single - phase induction motor, YEJ series of electromagnetic brake asynchronous motor.