A novel source side power quality improved soft starting of three-phase induction motor using a symmetrical angle controller through pic microcontroller

• Autorzy: Selvaperumal S. , Krishnamoorthy N. , Prabhakar G.

Identyfikatory

DOI

10.24425/bpasts.2021.136746

• Języki publikacji: EN

Abstrakty

EN

PIC microcontroller has a vital role in various types of controllers and nowadays the presence of PIC microcontroller is unavoidable in most control applications. This paper describes the enhancement of soft starting of induction motors using PIC microcontroller. Soft starting is required for the induction motors with reduced applied voltages so that the peak starting current is reduced and the startup of the motor is smooth with controlled torque and reduced mechanical vibrations, reduced starting current with correspondingly reduced bus voltage drops. While many of the available schemes of soft starting offer better results in view of smooth starting process, the proposed methodology offers soft starting as well as it cares about the source current quality. In contrast to the conventional multistep starting scheme, in this work a continuously controlled starting scheme is proposed. The three phase AC voltage controller topology is used as the core controller. In each of the half cycles, instead of a single conduction period with a single delay angle, the proposed AC voltage controller is switched symmetrically in each half cycle with multiple pulses in each quarter cycle. Symmetrically placed fixed numbers of switching pulses are used. The paper also describes the various time ratio controls namely the phase angle controller, the extinction angle controller and the symmetrical angle controller. The design aspects of the proposed soft starting scheme and the validation of the proposed system in the MATLAB SIMULINK environment are presented in this paper.

Słowa kluczowe

EN

soft starting of three phase induction motor; symmetrical angle controller; AC voltage controller; power quality improvement

PL

rozruch trójfazowego silnika indukcyjnego; symetryczny kontroler kąta; kontroler napięcia prądu przemiennego; poprawa jakości energii elektrycznej

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2021
• Tom: Vol. 69, nr 2
• Strony: art. no. e136746
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Selvaperumal S.

• Department of EEE, Syed Ammal Engineering College, Ramanathapuram, Tamilnadu, India

autor

Krishnamoorthy N.

• SBM College of Engineering and Technology, Dindigul-624005, Tamilnadu, India

autor

Prabhakar G.

• Department of EEE, V.S.B. Engineering College, Karur, Tamilnadu, India

• https://orcid.org/0000-0003-4760-7646

Bibliografia

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