Results 1 to 10 of about 764,339 (149)

Secondary Frequency Modulation Strategy for SiC Inverters Based on Periodic Spread Spectrum Modulation [PDF]

Sensors
This paper aims to design the modulation strategy of SiC motor controller for vehicles with low EMI, low device loss and low voltage/current ripple. The equivalent evaluation model of input voltage, output current and switching loss of the inverter under
Yanfei Cao, Junjie Su, Yan Yan, Zhichen Lin, Tingna Shi   +4 more
doaj   +2 more sources

Study on Modulation Strategy of Electronic Converters Based on Improved D-NPC Topology for Full Electric Vehicle

World Electric Vehicle Journal, 2021
The battery is the only power source of full electric vehicles, and the converter plays a key role in power and signal conversion; therefore, the stability and reliability of the converter determine the performance of the whole vehicle system.
Yonglei Cao, Xiaodong Zhang, Xiang Liu, Yuling Ma   +3 more
doaj   +1 more source

EVOLUTION AND DISSEMINATION OF SPECIALIZED STRATEGIES, METHODS, AND TECHNIQUES OF SYNCHRONOUS PULSEWUDTH MODULATION FOR CONTROL OF VOLT-AGE SOURCE INVERTERS AND INVERTER-BASED SYSTEMS

Технічна електродинаміка, 2023
This publication provides a brief historical overview of the development of methods and techniques of pulsewidth modulation (PWM) for voltage source inverters, published mainly in Ukrainian publishing houses and in Ukrainian periodicals.
В. Олещук
doaj   +1 more source

Research on optimum extended phase-shift control with minimum peak-to-peak current of DAB converter applied to small DC power grid

Frontiers in Energy Research, 2023
The Dual Active Bridge (DAB) DC-DC converter has the ability of bidirectional power transmission and the modulation scheme that is easy to implement, which can ensure the efficient transmission of energy in the system.
Shuhuai Shi, Junli Du, Binbing Xia, Dawei Xia, Honglu Guan, Feng Wang   +5 more
doaj   +1 more source

Heterostructured mixed metal oxide electrocatalyst for the hydrogen evolution reaction

Frontiers in Chemistry, 2023
The hydrogen evolution reaction (HER) has attracted considerable attention lately because of the high energy density and environmental friendliness of hydrogen energy. However, lack of efficient electrocatalysts and high price hinder its wide application.
Dwi Sakti Aldianto Pratama, Andi Haryanto, Chan Woo Lee   +2 more
doaj   +1 more source

Leakage Current Reduction in Single-Phase Grid-Connected Inverters—A Review

Applied Sciences, 2020
The rise in renewable energy has increased the use of DC/AC converters, which transform the direct current to alternating current. These devices, generally called inverters, are mainly used as an interface between clean energy and the grid.
Adyr A. Estévez-Bén, Alfredo Alvarez-Diazcomas, Gonzalo Macias-Bobadilla, Juvenal Rodríguez-Reséndiz   +3 more
doaj   +1 more source

Review, Comprehensive Analysis and Derivation of Analytical Power Loss Calculation Equations for Two- to Three-Level Midpoint Clamped Inverter Topologies with Hybrid Switch Configurations

Energies, 2023
Increased performance requirements in new power electronics areas of application, such as electric aircraft, make innovations on different design levels necessary. In order to quickly compare different topologies, analytical loss equations provide a fast
Lukas Radomsky, Regine Mallwitz
doaj   +1 more source

Optimal strategy for polarization modulation in the LSPE-SWIPE experiment [PDF]

, 2017
CMB B-mode experiments are required to control systematic effects with an unprecedented level of accuracy. Polarization modulation by a half wave plate (HWP) is a powerful technique able to mitigate a large number of the instrumental systematics.
Buzzelli, Alessandro, de Bernardis, Paolo, de Gasperis, Giancarlo, Masi, Silvia, Vittorio, Nicola   +4 more
core   +4 more sources

Power Converters Coolant: Past, Present, Future, and a Path Toward Active Thermal Control in Electrified Ship Power Systems

IEEE Access, 2023
Power converters have widespread applications in automotive, renewables, and power systems. The demand for power modules with low power consumption and high efficiency has increased due to advancements in semiconductor devices.
Ali Moghassemi, S. M. Imrat Rahman, Gokhan Ozkan, Christopher S. Edrington, Zheyu Zhang, Phani Kumar Chamarthi   +5 more
doaj   +1 more source

Reliability-Oriented Selection for Grid-Connected Converters: A Low Voltage Direct Current Microgrid Case Study

IEEE Access, 2020
As the grid-connected AC-DC converter is the key equipment that links the low voltage direct current (LVDC) microgrids and the utility grid, the safe and stable operation of the converter is of great significance to improve the reliability of the LVDC ...
Xiaoyi Guo, Longjun Wang, Yuming Zhao, Gang Wang, Guowei Liu, Qing Zhong   +5 more
doaj   +1 more source