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All Journal International Journal of Applied Power Engineering (IJAPE)
Kumari, Popuri Rajani
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Electrical & Electronics Engineering

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Reduction of torque ripples using the DTC-SVM method in PMSM with extended Kalman filter Sudhakar, Ambarapu; Kumari, Popuri Rajani; Sai, Cheepurupalli Krishna Chaitanya; Kumar, Munuswamy Siva; Prakash, Nelaturi Nanda; Bhavana, Mukku; Rajanna, Bodapati Venkata; Kameswari, Yeluripati Lalitha
International Journal of Applied Power Engineering (IJAPE) Vol 13, No 4: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v13.i4.pp944-951

Abstract

A detailed analysis has been conducted on two motor control algorithms: direct torque control (DTC) and field-oriented control (FOC). There are two ways that a voltage source inverter (VSI) can regulate a permanent magnet synchronous motor (PMSM). When using the PMSM and voltage source inverter (VSI), dead time is employed to turn off both the upper and lower switches to prevent short circuits. However, by supplying the PMSM with unexpected polarity voltages at the VSI output voltage, this switching technique reduces distortion. It is challenging to utilize the sensor to directly detect the fault voltage that results in an open circuit. This work examines the nonlinearity of the electric power controller during dead time during PMSM operation using the DTC algorithm to increase control stability. The stress distribution is estimated using an extended Kalman filter (EKF). Ultimately, the model presented in this study verified the increase in stator current and torque output through simulations and testing.
Monitoring and speed control of AC motor using PWM technique Sudhakar, Ambarapu; Kumari, Popuri Rajani; Batakala, Jeevanrao; Kumar, Munuswamy Siva; Prakash, Nelaturi Nanda; Kameswari, Yeluripati Lalitha; Rajanna, Bodapati Venkata; Bhavana, Mukku
International Journal of Applied Power Engineering (IJAPE) Vol 13, No 4: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v13.i4.pp1005-1013

Abstract

This study focuses on how to monitor and regulate the speed of an AC motor using pulse width modulation (PWM) technology. PWM signals regulate motor voltage and enable continuous monitoring of voltage, current, and speed in addition to speed control. Comparing this technology to conventional techniques yields considerable advantages like enhanced power and speed control. PWM-based speed control can be implemented using circuits specifically designed for motor control or microcontrollers. It has been confirmed that PWM-based control can regulate the target motor under a variety of operating conditions and that it is reliable and efficient. To boost production and efficiency, this change management technique can be applied in a variety of industries, including robots, HVAC systems, and industrial automation. The study results show the significance of PWM technology for monitoring and controlling the speed of AC motors, providing productive and affordable solutions to a range of enterprises and sectors.
Power factor improvement using silicon based switching devices for changing load parameters Kumari, Popuri Rajani; Rajasri, Kasula; Reddy, Tadi Diwakara Subba; Sudhakar, Ambarapu; Rajanna, Bodapati Venkata
International Journal of Applied Power Engineering (IJAPE) Vol 12, No 4: December 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v12.i4.pp367-372

Abstract

Systems power factor provides information on how effectively it uses the electrical power being provided to hold out real work. Losses rise as a results of poor power factor, and therefore the utility is penalized. In general, inductive loads, which are reactive in nature, make up AC loads. As a result, loads require and consume reactive power from the supply source which leads to excessive voltage drop in the line if they draw a lot of lagging current from the source, which could potentially result in the line's voltage collapsing if the drop is too high. When inductors cause a phase difference between voltage and current, the information is sent to the micro-controller, where the program takes control and activates the right number of opto-isolators interfaced to the triac silicon-based semiconductor device at its output to bring shunt capacitors into the load circuit to improve power factor to the desired range Semiconductors such as silicon or germanium are generally used for making triac. The most commonly used is silicon, due to its high abundance and the fact that it can operate at a higher temperature than germanium.
Co-Authors Batakala, Jeevanrao Bhavana, Mukku Kameswari, Yeluripati Lalitha Kumar, Munuswamy Siva Prakash, Nelaturi Nanda Rajanna, Bodapati Venkata Rajasri, Kasula Reddy, Tadi Diwakara Subba Sai, Cheepurupalli Krishna Chaitanya Sudhakar, Ambarapu