Braking Induction Motors Using Soft Starter Torque and Flux Control Algorithm

Nannen, Hauke; Zatocil, Heiko; Griepentrog, Gerd

doi:10.1109/iecon48115.2021.9589256

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…The purpose of soft starters is the ability to control processes at all stages of starting an electric motor: not only smoothly accelerate, but also smoothly slow down [19,20]. The payment for a two-fold and three-fold decrease in the starting current in modern common thyristor soft starters for AC motors can be called a significant deterioration in the current shape under load and the appearance of an excess reactive component.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

Kosykh¹,

Udovichenko²,

Lopatkin³

et al. 2022

Preprint

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The development trends of the modern world of power electronics dictate the requirements for the use of AC voltage converters as soft starters for induction motors. A direct connection of the motors to the mains voltage negatively affects both the motor itself and the mains system as a whole due to high starting currents values, which entail, as a rule, more frequent accidents and shorter the drive system service life. The paper presents a study of the control system of a multi-zone AC voltage regulator. The use of capacitive voltage dividers will also compensate for the consumed reactive power. The article analyzes the features of modern soft starters, describes the circuit design, presents a mathematical calculation by the method of algebraization of differential equations, a performed simulation modeling in Matlab/Simulink, and also an assembled experimental stand for further research. Particular attention is paid to the definition of the multizonality concept of the proposed converter and the analysis of the control method. The developed algorithm of the double-loop automatic control system will minimize the influence of induction motors on the mains voltage, and thus improve electromagnetic compatibility.

show abstract

Section: Introductionmentioning

confidence: 99%

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

Kosykh¹,

Udovichenko²,

Lopatkin³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

et al. 2022

View full text Add to dashboard Cite

The development trends of the modern world of power electronics dictate the requirements for the use of AC voltage converters as soft starters for induction motors. A direct connection of the motors to the mains voltage negatively affects both the motor itself and the mains system as a whole due to high starting currents values, which entail, as a rule, more frequent accidents and shorten the drive system service life. Modern methods of motor acceleration are implemented in practice by means of frequency converters, which require the presence of both a rectifier and an inverter in the structure of the device. The paper presents a study of the control system of a multi-zone AC voltage single-stage regulator. The use of capacitive voltage dividers will also compensate for the consumed reactive power. The article analyzes the features of modern soft starters, describes the circuit design, presents a mathematical calculation by the differential equations algebraization method, a performed simulation modeling in Matlab/Simulink, and also an assembled experimental stand. Particular attention is paid to the definition of the multizonality concept of the proposed converter and the analysis of the control method. The developed algorithm of the double-loop automatic control system will minimize the influence of induction motors on the mains voltage and thus improve electromagnetic compatibility.

show abstract

Braking Induction Motors Using Soft Starter Torque and Flux Control Algorithm

Cited by 2 publications

References 7 publications

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

Analysis of the Control System for a Soft Starter of an Induction Motor Based on a Multi-Zone AC Voltage Converter

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