Results 11 to 20 of about 657,267 (315)
Review of variable speed drive technology in beam pumping units for energy-saving
Energy Reports, 2020 Beam pumping units have been widely used in oilfields worldwide due to its simple structure, strong field adaptability, and convenient maintenance. Different energy-saving technologies have also been broadly applied in various beam pumping units.
Chaodong Tan +6 more
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Modernization of drilling rigs using driving planetary machines with variable parameters
Архитектура, строительство, транспорт, 2022 Variable speed characteristics and variable gear ratios of the drive mechanisms of the working bodies of the drilling rig were obtained for a planetary mechanism with a double satellite and a rocker carrier.
T. R. Holmuratov, P. S. Khujaev
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Kinematical characteristic of mechanical frictional variable speed drive
Research in Agricultural Engineering, 2006 The paper describes a new system of mechanical spherical conical friction drive. In the present a row of simple friction, belt, chain, wave and differential variable speed drives is published. For the required range of speed variation they are altogether
D. Herák +4 more
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Journal of Electrical Systems and Information Technology, 2018 The conventional PI controller employed in the outer speed control loop for variable speed operation of the induction motor drive suffers from the problem of large overshoot during perturbation in reference speed or during increase/decrease in load ...
S.M. Tripathi +2 more
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Jurnal Teknik, 2018 ABSTRAK Exhaust fan adalah peralatan berupa sudu-sudu yang berputar dan memanfaatkan gaya sentrifugal untuk membuang exhaust gas hasil pembakaran bahan bakar solar engine diesel pada saat dilakukan tes pembebanan penuh. Dengan exhaust fan,
Elham Prasetyo Wibowo +2 more
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Micro feed characteristic analysis of a new crawler guide rail dual drive servo system
Science Progress, 2021 This paper presents a new type of crawler guide rail dual drive micro feed servo system based on “crawler type” guide rail. Through the innovative design of the crawler guide rail and the change of the working mode, the table, and the crawler type ...
Hanwen Yu, Zhenzhong Zhang, Jifei Xing
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Determining the Drive Power of the System Controlling the Vibration Amplitude of the Rectifiers for the Continuously Variable Mechanical Transmission with Internal Force Functions [PDF]
MATEC Web of Conferences, 2021 The article discusses the choice of the power and type of the drive motor for the system controlling the vibration amplitude of the rectifier rocker arms of the continuously variable mechanical transmission, intended for use on a motor vehicle.
Soldatkin Vladislav +2 more
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OPTIMALISASI METODE BLADE TURBIN ANGIN SUMBU HORIZONTAL
Otopro, 2023 The utilization of wind turbines is able to convert wind energy into electrical energy. It is recorded from the DG of NREEC source that Indonesia has a wind energy potential of 60.6 Giga Watt (GW) with a total renewable energy potential of 442GW.
Fathur Rahman +4 more
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Research on dynamic characteristics of variable frequency drive hydraulic winch system
Gong-kuang zidonghua, 2019 A closed-loop control simulation model of variable frequency drive hydraulic winch system was built using AMESim, and the dynamic characteristics of the hydraulic winch system under different load mutations were simulated and analyzed using the model ...
DING Ga
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Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021 The use of permanent magnet synchronous motor (PMSM) is increasing rapidly to meet the need to increase efficiency in variable speed drive systems used in the industry, in recent years. This paper aims to improve the speed control performance of the PMSM
Erdem İlten
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