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单词 Stator
例句
1. The number of stator teeth is restricted by the numbers of phases and rotor teeth.
2. Stator coil found burnt and to be rewound.
3. Generator, electric motor stator Coil temperature survey .
4. During the measurement of welding contraction distortion for stator in a large hydropower station, the method is used well.
5. The air gap between rotor and stator shall not exceed OEM specifications.
6. Due to stator resistance and armature reaction, the output voltage of conventional permanent magnet synchronous generator varies with the load.
7. The abnormal rising temperature of the stator slots was due to scaling substance blocking hollow copper conducting wire.
8. Offsctdruckereien the nbspvacuum printer is the stator and rotor and vane.
9. And the affection of cooling air quantity to stator thermal field is analyzed.
10. Dielectric dissipation parameters and partial discharge parameters of stator bars with different operating years in large generator were studied in this paper.
11. Using the finite element method software ANSYS, the stator temperature field of the hydroelectric generator is analyzed and calculated,() the corresponding temperature field picture is given.
12. The effect of the stator magnetic saturation due to variation of the rotor position is considered by the scheme. Using estimated velocity of rotor corrects the rotor position.
13. Meanwhile, a stator slot wedge 70 is arranged in the non ferromagnetic material slot 90 opening to fix the stator coil 60, air gap is provided between the stator core 40 and the stator core 10.
14. Phase current in motor stator is precisely detected by current detection circuit.
15. In order to ensure equality of the air gap between rotor and stator, we used oblique iron core frame.
16. The presented phase angle PWM method is centering attention on motor stator voltage space vector and controls the vector angle to vary linearly and so reduces higher harmonics in voltage wave.
17. Elements similar to those of ordinary motor, including the stator, rotor, armature winding, brush and other components, but very compact structure.
18. The pump seal oil leakage indoor settings are high-precision interference detection sensors, and embedded within the stator windings of the thermal components,[sentence dictionary] absolute protection of the pump motor.
19. An inductor alternator is a special kind of synchronous generator in which Both the field and the output winding are on the stator.
20. But its low speed range is easy affected by the stator voltage error, especially when the motor is connected to the voltage inverter.
21. The results indicated that the steady-state performance of dry gas seal was influenced unusually by roughness and static stator misalignment.
22. A new type of disk piezoelectric micromotor was given, which is non-contact between the stator and rotor.
23. The paper gives the calculated reactive compensation power and stator frequency with respect to purely resistive load and purely inductive load under constant voltage operating condition.
24. The invented generator comprises rotor on shaft fixed in body case as a rotatable bearing, and stator (8).
25. In thermal state monitoring of generators, the temperature model parameters need to be determined firstly in order to obtain the standard temperature value of generator stator end region (SER).
26. There are power winding and control winding with different pole numbers and frequencies on the stator of doubly fed brushless machines.
27. A linear permanent magnet brushless DC motor ( LPMBDCM ) composed of an armature and stator was introduced.
28. Since the rotor is fed by a invertor, the waveform supplying the stator can be affected.
29. While the characteristic of the control chip TMS320F240DSP, the sensors for stator current and rotor speed detecting and the corresponding data interface processing were also presented.
30. Theoretical analysis and simulations indicate that energy is saved while the stator current minimizes by adjusting excitation current according to the loaded state.
31. Teaching is a crucial step in the process of insulating generator stator′s bars with insulating tape.
32. 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.
33. DTC directly calculate and control the torque of AC drive in the stator reference frame.
34. In this paper, the 3D harmonic field resulting from the harmonic magnetomotive force of the stator has been discussed.
35. Three Gorges hydrogenerator stator coil is cooled with water. In the event of lose of cooling water flow, stator coil temperature will increase, and might be dangerous for generator safety.
36. Slot leakage reactance of stator winding is an important constant of A.
37. The main research object is long stator linear synchronous motor.
38. A new plugging test method for water cooled stator coil was described in this paper.
39. Usage: suitable for three phases embedding phase by phase and cover slot for auto dynamotor stator.
40. Specifically design for wind power industry, applying for output loop between stator and rotator in cylinder.
41. The contacting line equations between the ball or tooth of the planet gear and the stator helical surface and the ones between that ball and the rotor worm are also given.
42. The stator flux is estimated by adaptive compensated voltage model, and the speed is estimated with PI adaptive method.
43. The steel for the starting motor in automobile engine developed by Angang is the product for automobile engine's motor core steel (stator and rotor).
44. The special microcomputer software for calculation of slot electric field is worked out with fe method, and the field distribution in stator slot winding of large generator is calculated.
45. The direct-axis or quadrature-axis stator voltage is used as manipulated variable and direct-axis or quadrature-axis stator current delay feedback is used for chaos control.
46. This paper analyzes harm of force, corona and circular current on the stator coil. And a synthetical measure is presented.
47. A rotary transformer is fixed below the end part of a stator coil in the motor, and an outgoing line of the rotary transformer is arranged at the rear part.
48. This multi loop model can better consider the influences of the distributed capacitance and the nonsymmetrical stator windings when stator ground fault occurs in interior of the stator windings.
49. The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
50. Usage: special equipment for coil shaping after wire embedding of dynamotor stator.
51. The method compensates the stator current in the fault state in order to keep the magnetomotive force as that in normal state.
52. Stator slot leakage inductance is important part of stator leakage inductance.
53. A new high power-density brushless permanent magnet traction motor with water-cooling stator frame as well as design guideline is presented.
54. Usage: suitable for automatic argon arc welding of motor stator iron core stack.
55. For the disadvantage and shortage,[sentence dictionary] the four - location field pump rubber stator injection - vulcanization unit is newly designed.
56. This paper analyzes a 12/3 phase double-winding induction generator system with an excitation winding in the stator link.
57. Production specifications also complete rotor, stator, and other electrical accessories.
58. The air-gap magnetic field of a salient pole synchronous generator whose stator slot is fractional with the consideration of turn insulation is calculated by the finite element method in this paper.
59. This results in an increase of approx. 18% of the effective diameter for the tangential forces generated at the stator poles.
60. With this designed regulator, the stator terminal output voltage of the synchronous generator will be regulated to the rated value in a very quick time during its spinning up.
61. This paper presents the inner cooling theory that use the high insulating property and low boiling point materials instead of water as coolant in turbo-generator's stator windings.
62. In this paper, the modal of large turbogenerator stator end winding is studied using impulse technique.
63. Electromechanical integrated; Toroidal drive; Manufacture of the stator; Manufacture of the toroidal worm; Curved beam; Minimum energy method; Efficiency.
64. The vibrational characteristics of stator end winding and its fastener of a large turbo - generator are studied.
65. With the steady flux, stator resistance online tuning law is established.
66. During the measurement of welding contraction distortion for stator in a large hydropower station, the method is used well. And this me...
67. In this paper, the test for vibration mode of stator core of an electric- al motor are studied using the transfer function mode techniques.
68. Trailing edge blowing wake management technology was adopted to improve the flow of stator wake.
69. In stator current spectrum of induction motor, fault frequency component of rotor broken bar is very small and its frequency is close to basic wave, so it is difficult to obtain fault characteristic.
70. Decreasing the permittivity of cable insulation or separating the cable conductor can increase the cable surge impedance and wave velocity, so as to improve the voltage waveform on stator terminal.
71. Usage: suitable for auto dynamotor etc. motor stator coil terminal face shaping.
72. In the MATLAB, using a structured design method, a dual PWM converter control system model were established on the basis of the stator flux field vector control technology.
73. Namely , the frequency of the stator voltage is controlled to compensate for the error control ( FCC ).
74. This paper gives an account of the necessity of the computer-aided diagnosis for the practical stator curve of the two-acting vane pump, and sets forth the diagnosis theory and method.
75. The paper simulates the residual voltage of stator winding during the break period on the basis of accurate mathematical model for induction motor.
76. Relay protection for stator cooling water pump of unit 1 had experienced malfunction in Datang International Tuoketuo Power Generation Co.
77. The utility model relates to a permanent brushless direct current motor. The motor comprises a casing, a front end cover, a rear end cover, a stator, a rotor and a position sensor.
78. A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hytrogen furnace was introduced.
79. Calculating formulas and derived process of main angles of stator coil colloidization model at bottom end of spherical coordinate are introduced.
80. The requirement for leakage reactance on stator of PMSM supplied by voltage type inverter is analyzed, and some parameters are selected, such as electromagnetic load,[] slots shape of stator and so on.
81. Acording to fault condition of stator winding, sta- tor coils are combined into stator connected sets by using connection matric.
82. The new model for analyzing the dynamic characteristic of the stator frame has been set up, and the defect of the conventional model dynamic characteristic analysis of stator frame is remanded.
83. In this paper, the operation style of the 100% stator ground protection based on twice frequency separation is analysed, and the feasible improving scheme is put forward.
84. In asynchronous machine there exist main kinds of flux linkage, that is: rotor flux-linkage, air-gap flux-linkage and stator flux-linkage.
85. Several new types of stator ground protection without dead zone are reviewed.
86. And for having put an end to the feral wandering of these few giants, so that they became the princes of the gentes, he received the epithet Stator, stayer or establisher.
87. From the relative motion concept of rotor fixing and stator rotating, the experimental device (situation No. 3) for simulating the rotor blade tip clearance flow is designed.
88. The impact of harmonic on the simulation results of stator winding internal fault is further analyzed.
89. It is realized by adding a high frequency current to the original current of the stator and adding linear generator windings to magnetic pole.
90. Shell hole keyway generator is used to connect parts of the shell and the stator has a size large, long keyway, symmetrical high clamping difficulty with the knife and so on.
91. The quality requirement, control method and standard for stator cooling water of imported generator are described.
92. The paper introduces how to use multi station progressive die with high precision to manufacture stator core and rotor core of square stepping dynamotor .
93. The direct-current leakage test is implemented by using the microampere shielded in low-voltage, and the leakage current increasing of generator stator winding abnormally is detected.
94. Stator phase failure is one typical fault of a three-phase induction motor.
95. In addition, in order to avoid pure derivative operation on stator current, tracking-differentiator is adopted to acquire differential signals with high quality.
96. Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
97. Heat degree 155 glass-polyester insulated wire and fused polyester and glass insulated wire are both new wires which are widely used as stator winding of large generator.
98. The contract states between the stator and the rotator of traditional ring type traveling wave USM is dynamic point-area contract, which lead to low output torque.
99. When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
100. The generator stator winding parallel branches circulating current characteristics on air - gap eccentric fault were analyzed.
101. A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
102. The force factor formula of stator stuck with PZT pieces is deduced, and the relationship between input exciting voltage and output force is ascertained.
103. The stator component 8 is connected with an inarch stent 6, and the inarch stent is fixed at the car platform.
104. The paper checks the safety and stability of shoulder pole girder for hoisting large dynamotor stator with finite element software ANSYS.
105. To the special structure of submersible motor, the leakage reactance in end winding of stator and rotor are analyzed respectively.
106. U-I flux linkage model can be set exactly at low speed for considering the effects of temperature to stator resistance.
107. The on - line monitoring and diagnosis system for large generator stator windings partial discharge is presented.
108. On the basis of stator hollow conductor layer building in large electric machines,[] the paper deduces numerical formula for calculating conductor alternating current resistance.
109. It is the stationary part ( stator ) in a revolving - field generator.
110. The sampled stator voltages and currents were conversion to digital quantity and given to speed estimation system for estimating speed, then contrast it with the actual measured motor speed.
111. To improve the resolution of the frequency and the amplitude of fault feature component, the frequency subdivision and the adaptive filter are used in processing the steady current of stator.
112. This paper addresses itself to the inter - influence on the stator and rotor fault detection induction motors.
113. The variations of terminal voltage and stator frequency with the load impedance and the load current are given out.
114. The calibration of the apparent charge in the stator windings of electrical machines is relative to the location of PD site.
115. On the base of the reversibility analysis of the PMSM's mathematical model, the PMSM system is decoupled into a second-order linear speed subsystem and a first-order linear stator current subsystem.
116. The micromachining process like photolithograph, electroplate and sputtering etc is adopted to fabricate the stator of MGELR.
117. Then a vector control method with speed closed-loop and magnetic linkage closed loops put forward, which is based on the constant velocity by means of stator flux-oriented vector control.
118. The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.
119. The stator current is measured by using current whale, and then filtered.
120. Therefore, the model development in this paper starts from a consideration of basic stator coil and the basic loop that constitutes the rotor winding.
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更新时间:2024/10/7 0:00:31