2015
DOI: 10.20998/2074-272x.2015.4.07
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Method of Determining the Start Time of Induction Motors in the Control of Resistor-Thyristor Modules

Abstract: Запропоновано електропривод, що містить асинхронний двигун, в статорних і роторних колах якого для управління використовуються резистори і тиристори, включені між собою різними способами, утворюючи різноманітність си-лових схем перетворювачів із резисторно-тиристорними модулями. Розроблено аналітичний метод визначення часу розбігу асинхронного електроприводу. Дано рекомендації для проектування та впровадження в різні механізми й агре-гати зазначених електроприводів. Наукова новизна полягає в тому, що запропоно… Show more

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“…Such a system, together with additional system of estimation of the magnitude of voltage dip at starting-up of AM, can be used to ensure reliable functioning of the entire power system. The method of calculation proposed in paper [10] enables selection of the required law of control over the process of starting-up of AM, where in rotor and stator circuits thyristors and resistors are used. This way of starting-up leads to fluctuations in engine speed and electromagnetic torque.…”
Section: Analysis Of Publications On Research Topicmentioning
confidence: 99%
“…Such a system, together with additional system of estimation of the magnitude of voltage dip at starting-up of AM, can be used to ensure reliable functioning of the entire power system. The method of calculation proposed in paper [10] enables selection of the required law of control over the process of starting-up of AM, where in rotor and stator circuits thyristors and resistors are used. This way of starting-up leads to fluctuations in engine speed and electromagnetic torque.…”
Section: Analysis Of Publications On Research Topicmentioning
confidence: 99%
“…Create and start the study of controlled AC motors are widely covered in domestic and foreign literature. Generally, for this purpose, the following ways: switching scheme of «star» in the scheme «triangle» or the inclusion of the electric motor via a starting transformer or by phase control voltage on the stator or the use of frequency converters [1][2][3][4][5][6][7][8][9]. In practice for IESP economically feasible is a relatively simple device parametric phase control.…”
mentioning
confidence: 99%