name
Getmanenko Vladimir Mikhailovich
Scholastic degree
•
Academic rank
associated professor
Honorary rank
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Organization, job position
• Azov-Blacksea State Agroengineering Academy
кафедра «ИТиУС»
доцент
Research interests
разработка современных методов и средств защиты асинхронных электродвигателей, электротехнологии и электрооборудование в сельском хозяйстве.
Web site url
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Current rating (overall rating of articles)
0
TOP5 co-authors
Articles count: 2
Сформировать список работ, опубликованных в Научном журнале КубГАУ
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Description
This article presents main water supply systems and justifies the choice of direct flow of water supply system in the application of regulation of electric drive for pumps, which doesn’t have any tanks to create pressures required for fire-governmental purposes. This avoids interruption in the supply of reserve while water freezing. In the article the substantiation of the necessity of implementation of adaptive algorithm in modern-WIDE frequency converters by a substantiation of the number of stages of ratio control of voltage-frequency mains. It was revealed that the number of degrees of regulation of 10-12 gives optimum. Modern frequency converters allow you to change the regulation law, establishing 3-5 points of regulation. Therefore, the introduction of adaptive algorithm will reduce the power consumption of the electric drive of the pump of the water supply system. The article shows the simulation model of the "the converter frequency-induction motor," plots of the stator current of mains frequency and active power, surface speed and phase current when changing the voltage and frequency of the mains. These dependences confirm to have applicability of adaptive algorithm in the regulation of modern frequency converters with the skalar administration. Simulation model confirms the sub-physical experiments on a real motor and frequency converter with adaptive control algorithm. As a result of the selection of the parameters, we obtain the voltage reduction of the phase current, and reduce electricity consumption by 5-7%
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THE DEVICE FOR PROTECTION OF ASYNCHRONOUS ELECTRIC MOTOR
Description
The new device of protection, which works depending on the factor of asymmetry of pressure and loading of asynchronous electric motor, is offered. The principle of its action is described in details
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doc 690.448kb