Random good picture Not show

1) Next, it puts forward a new permanent magnetism synchronous machine rotor initial point estimate method — High frequency signals injection method.

2) This thesis shows synchronous machine model, and then identifies the parameters of the model.

3) Sudden short - circuit of synchronous machine is the most serious fault in electric power system.

4) Effect of damper windings and magnetic saturation of synchronous machine on LFO(Low-Frequency Oscillation) damping are studied with eigen analysis method.

5) Implementation and application of high voltage large capacity synchronous machine with digital vector control.

6) HP synchronous machine ones step down start equipment designed by ourselves is introduced.

7) Line - start permanent magnet synchronous machine has high efficiency and power factor.

8) The calculation of salient pole synchronous machine electromagnetic parameter by finite elements method is presented.

9) In the rotating-diode phase compound excitation Brushless synchronous machine, if one diode appears fault, such as opening or shorting during the normal operating, it will do harm to the generator.

10) A salient pole synchronous machine with P windings is studied by simulation and experiment, therefore the correctness of the model is proved.

11) A synchronous condenser is nothing more than a synchronous machine running at synchronous speed with no mechanical load.

12) The structure characteristics and - control principle a novel asymmetrically stagger hybrid excitation synchronous machine ( ASHESM ) were introduced.

13) This paper introduces the structure and design characteristics of pawl pole permanent synchronous machine, and illustrates the relations among main structure sizes.

14) In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.

15) According to the optimization of the machine and load, this paper designs the gearless permanent magnetic synchronous machine of high efficiency and power density.

16) And finally in the paper is discussed the precision of the Park's model in case of a salient pole synchronous machine with damper circuits.

17) On - line identification is a available way for synchronous machine parameter estimation.

18) An unified mathematical system which couples torsional vibration equation and circuit equation of a synchronous machine is proposed in this paper.

19) As an example , the operational inductance of a synchronous machine supplied by a cycloconverter is determined by the method described in the paper.

20) And finally in the paper is discussed the precision of the Park's model in case of a salient pole synchronous machine with damper...

21) Based on instantaneous power analysis,[http://sentencedict.com/synchronous machine.html] an instantaneous power control method of permanent magnet synchronous machine(PMSM) is proposed in this paper.

22) The requisition of improving the air clearance accurancy in the large scale synchronous machine erection and changing configure method are presented.

23) A novel mathematical model for a dual three - phase permanent magnet synchronous machine ( PMSM ) was proposed.

24) A cascaded slide mode control scheme is designed for permanent magnetic synchronous machine AC servo system.