E3S Web Conf.
Volume 178, 2020High Speed Turbomachines and Electrical Drives Conference 2020 (HSTED-2020)
|Number of page(s)||7|
|Published online||09 July 2020|
Modeling of asynchronous motor operation modes for the correct selection of voltage regulation devices
Kazan State Power Engineering University, 420066 Kazan st. Krasnoselskaya 51, Russia
2 JSC “Tatenergo” branch “Kazan CHP-2”, 420036 Kazan st. Tatsevskaya 11, Russia
* Corresponding author: firstname.lastname@example.org
Many electrical appliances are used in production and in everyday life, which include elements that are extremely sensitive to voltage deviations from acceptable values. Failure in their work can cause equipment failure or a breakdown in technological processes. There are a number of technical solutions to solve this problem, one of which is the using of voltage control devices such as boost transformers. The principle of operation of booster transformers is the introduction of a longitudinal EMF into the electric circuit, which provides booster. The choice of voltage regulation devices consists in determining its power and the required transformation ratio. The latter needs some justification, because it cannot be formally accepted: if it is necessary to increase the voltage, for example by 5%, it is enough to introduce a longitudinal EMF of 5% of the nominal voltage into the electric circuit. This is due to the fact that with increasing voltage from the load side, the power consumption also increases, which causes an increase in voltage drop compared to modes in the absence of voltage regulation devices. Thus, the load will receive a slightly lower voltage level in comparison with the desired one.
© The Authors, published by EDP Sciences, 2020
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