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Relevant bibliographies by topics / Speed-torque characteristic

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Journal articles

Academic literature on the topic 'Speed-torque characteristic'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Speed-torque characteristic"

1

Wang, Gui Juan. "The Experimental Study on "Soft Start" of Mine Permanent Magnet Coupling." Applied Mechanics and Materials 727-728 (January 2015): 403–5. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.403.

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The "soft start" problem was studied for magnetic coupling in coal mine by experimental method. At first, the starting condition of magnetic coupling was analysed. Aaccording to the load characteristics of conveyor. Secondly, the torque characteristic curve, speed characteristic curve and current starting curve were plotted using the experimental data. From three kinds of characteristic curve we have conclusion that the output torque and output speed is much less than the input torque and input speed, the starting current value with the load was less than the starting current value when direct

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2

Zeng, Hui, Zhe Chen, and Hao Chen. "Smooth Torque Speed Characteristic of Switched Reluctance Motors." Journal of Power Electronics 14, no. 2 (2014): 341–50. http://dx.doi.org/10.6113/jpe.2014.14.2.341.

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3

Chan, T. F. "Determination of the Torque-Speed Characteristic of an Induction Motor Using a Curve-Fitting Technique." International Journal of Electrical Engineering & Education 30, no. 4 (1993): 360–65. http://dx.doi.org/10.1177/002072099303000410.

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Determination of the torque-speed characteristic of an induction motor using a curve-fitting technique This paper describes the use of a curve-fitting technique to deduce the nominal torque-speed characteristic of a three-phase induction motor from the speed data obtained in a no-load acceleration test. Experimental results show that the fitted curve is reasonably close to the torque-speed characteristic obtained from an actual load test.

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4

Aree, Pichai. "Analytical determination of speed-torque and speed-current curves of single-cage induction motor under supply voltage and frequency variations." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 6 (2018): 2279–98. http://dx.doi.org/10.1108/compel-09-2017-0404.

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Purpose An important characteristic of most induction motors is speed- or slip-torque curve. A simplified Kloss formula is widely used for describing speed-torque characteristic because it is fairly simple. Only two parameters related to break-down torque and break-down slip are regarded as input parameters. Because this simplified formula ignores an unknown parameter that is a ratio between Thevenin’s and rotor resistances, an accurate torque curve characteristic may not be fully obtained over an entire speed range. Moreover, the conventional Kloss formula does not offer a speed-torque curve

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5

Cheraghi, Mohsen, Mohammad Bayati Booin, Mohammad Mahmoudian Esfahani, and Mohammad Mehdi Derakhshani. "Determination of torque‐speed characteristic for a two‐speed elevator induction machine." IET Electric Power Applications 12, no. 2 (2017): 239–46. http://dx.doi.org/10.1049/iet-epa.2017.0236.

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6

Inaguma, Y. "Friction torque characteristics of an internal gear pump." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 225, no. 6 (2011): 1523–34. http://dx.doi.org/10.1177/0954406211399659.

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This paper describes the influence of pump operating conditions, such as operating pressures, pump speeds, and oil temperatures, on the friction torque characteristics of internal gear pumps for automobiles. Additionally, it presents a new mathematical model reflecting the influence of the oil temperature on the friction torque. In an internal gear pump, the friction torque was affected by oil temperature as well as operating pressure and pump speed. When the operating pressure was high, the influence of oil temperature on friction torque at a pump speed of less than 1000 r/min was contrary to

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7

Ma, Xin Lei, and Yong Feng Guo. "Research on Fuzzy Control Automotive Electronic Power Steering Characteristic." Applied Mechanics and Materials 392 (September 2013): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amm.392.329.

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The driving stability and comfort-ability are directly influenced by steering system, and it is a critical component in an automobile. Torsion bar torque sensor signal and the vehicle speed signal are used to calculate the assisting torque that on the motor shaft. The rules about how to calculate desired torque signal is very important for driving portability and stability. Influence of motor control strategy on assisting response characteristic. In this paper adaptive fuzzy control rules is proposed for the assisting characteristic and power motor. Base on assistance characteristic and assist

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8

Leung, W. S., and C. C. Chan. "Test Equipment for Induction Motors." International Journal of Electrical Engineering & Education 24, no. 1 (1987): 57–64. http://dx.doi.org/10.1177/002072098702400112.

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The paper describes test equipment for measuring the torque of an induction motor over the full range of its speed and for plotting the motor's important torque-speed characteristic on an oscilloscope. The torque sensor is a strain gauge and the test includes the measurement of the switching transient torque.

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9

Huang, Qi, Yun Qing Li, Cheng Kei Liu, and Xiao Li Lai. "Research on Intake System of Motorcycle Engine to Obtain High Torque at Low and Medium Speed." Applied Mechanics and Materials 233 (November 2012): 266–69. http://dx.doi.org/10.4028/www.scientific.net/amm.233.266.

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The new intake system is designed and the intake pipe is changed in order to get high torque at low and medium speed. After the intake parameters are changed, the intake dynamic effect is utilized to increase volumetric efficiency and torque at the low and medium speed by theory analyses. Through further research, it is found that intake pipe length has a quite great influence on torque characteristic. Extending intake pipe length can improve engine torque at low and medium speed and its maximum torque point is shifted from high speed scope to low and medium speed scope.

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10

Levy, D. "Derivation of the Torque—Speed Characteristic of a Reaction Turbine." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 207, no. 3 (1993): 165–72. http://dx.doi.org/10.1243/pime_proc_1993_207_030_02.

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When a reaction turbine is coupled to a generator or when an electric motor is coupled to a pump, the torque–speed characteristic of the runner needs to be known so that the control engineer can analyse the system for stability and optimal operation. The currently used one-dimensional vector analysis applies only where there is smooth flow in the inlet of the machine. This paper modifies and extends this analysis to apply to a variable flow situation which occurs when the load on the machine is not equal to the optimal specified load. Runaway speed and starting torque of the machine can also b

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