Results 1 to 10 of about 644 (140)

Reconfiguration of a Multilevel Inverter with Trapezoidal Pulse Width Modulation [PDF]

open access: yesEnergies, 2018
This paper presents different multi-carrier unipolar trapezoidal pulse width modulation strategies for a reduced switch asymmetrical multilevel inverter.
Nataraj Prabaharan   +4 more
doaj   +7 more sources

An innovative 11-level multilevel inverter topology with rotating trapezoidal SPWM for industrial and renewable applications [PDF]

open access: yesScientific Reports
This paper provides a new, less complex multilevel inverter topology that can be used for industrial loads and renewable energy sources. The arrangement consists of eight switches to produce an 11-level output voltage with two uneven input sources ...
Shaik. Shakeera, K. Rachananjali
doaj   +3 more sources

A Nine-Level Inverter with Adjustable Turn-Off Time for Helicopter Transient Electromagnetic Detection [PDF]

open access: yesSensors, 2023
The current inverter is the core component of the helicopter transient electromagnetic (HTEM) detection system. It should meet the concerns of low loss, high power, and fast turn-OFF time.
Fengjiang Peng   +5 more
doaj   +4 more sources

Analisa Kinerja Sinusoidal PWM Inverter untuk Pengaturan Kecepatan Motor Induksi Tiga Fasa [PDF]

open access: yesTeknika, 2016
PWM (pengaturan lebar pulsa) merupakan salah satu teknik yang baik untuk digunakan dalam sistem kendali (control system) saat ini. Pengaturan lebar modulasi dipergunakan di berbagai bidang yang sangat luas, salah satu diantaranya adalah pengaturan ...
Heri Haryanto, Vicky Immanuel
doaj   +3 more sources

Introducing a New Hybrid Method to Reduce BLDC Motor Torque Ripple, Based on Predictive Control and Quasi Z-Source Converter [PDF]

open access: yesهوش محاسباتی در مهندسی برق, 2023
The commutation torque ripple adversely affects the performance of the six-phase inverter of the BLDC motor with trapezoidal back EMF and creates vibration and noise for industrial applications.
Ahmad Entezari   +2 more
doaj   +3 more sources

Performance Evaluation of Brushless Direct Current Motor Control Methods through Low-Cost Microcontroller-Based Real-Time Experiments [PDF]

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2023
Brushless direct current (BLDC) motors are high efficiency synchronous motors that are employed in a variety of applications due to prominent features such as long operational life, low maintenance requirements, and great dynamic response.
Emre YORAT   +2 more
doaj   +2 more sources

Characteristics of common code conducted emission of multi-boost converters [PDF]

open access: yesJournal of Mechatronics, Electrical Power, and Vehicular Technology, 2023
One of the primary challenges faced when utilizing power converters such as a DC boost converter is electromagnetic interference (EMI) issues, one of which is common-mode (CM) noise. In order to mitigate the unwanted EMI from converters and design proper
Muhammad Imam Sudrajat   +2 more
doaj   +3 more sources

A new modulation strategy and power balance method of unsymmetrical CHB inverter

open access: yesIET Renewable Power Generation, 2021
There exist the problems of the low utilization rate of DC voltage, power imbalance and current backflow in the modulation process of traditional unsymmetrical cascaded units.
Renxi Gong   +3 more
doaj   +1 more source

Implementation of modified trapezoidal commutation scheme for speed control of 1 kW BLDC motor

open access: yesJournal of Mechatronics, Electrical Power, and Vehicular Technology, 2023
The commutation process in brushless DC (BLDC) motors is done electrically and depends on the rotor position feedback. The Six-Step method is the most commonly used method in BLDC control, as it is easy to implement.
Ratih Mar'atus Sholihah   +3 more
doaj   +1 more source

A Modified Variable Switching Frequency Spread-Spectrum PWM Technique With Reduced Torque Ripple for a Vector-Controlled PMSM Drive

open access: yesIEEE Access, 2022
The discrete tonal bands introduced in an AC machine’s stator current spectrum by constant switching frequency pulse width modulation schemes, have adverse impacts on the vibration, the acoustic noise, and the electromagnetic interference ...
Meera Khalid   +3 more
doaj   +1 more source

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