Results 241 to 250 of about 129,899 (319)

The Question of Thermoelectric Devices Electrical Resistance—A Practical Investigation From a Peltier Effect (Thermoelectric Cooler/Thermoelectric Heater) Perspective

Heat Transfer, EarlyView.
ABSTRACT Thermoelectric devices (TEDs) intrinsic electrical resistance is fundamental to its operation. This internal electrical resistance value negatively affects a TED's performance when it is operated as a thermoelectric cooler (TEC), and positively affects a TED when operated as a thermoelectric heater (TEH).
Nganyang Paul Bayendang, Mohamed Tariq Kahn, Vipin Balyan   +2 more
wiley   +1 more source

Multipulse improved-power-quality AC–DC convertors for vector-controlled induction-motor drives

, 2006
Bhim Singh, G. Bhuvaneswari, V. Garg
openalex   +2 more sources

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Bio-inspired Multiobjective Optimization Approach for Total Harmonic Distortion Reduction in a DC-AC Power Converter

IEEE Conference on Technologies for Sustainability, 2023
The incorporation of power electronics devices into electrical networks can result in significant total harmonic distortion. This occurs in DC power converters that convert to AC due to the imperfect reconstruction of an alternating sine wave signal ...
Jesús Águila-León, Miriam Lucero-Tenorio, Dácil Díaz-Bello, Carlos Vargas-Salgado, C. Vega-Gómez   +4 more
semanticscholar   +1 more source

Zero-Vector-Regulation-Based Closed-Loop Power Distribution Strategy for Dual-DC-Port DC–AC Converter-Connected PV–Battery Hybrid Systems

IEEE transactions on power electronics, 2023
The dual-dc-port dc–ac converter-connected photovoltaic (PV)–battery hybrid systems present high-efficiency and low-cost features with single-stage power conversion as the PV unit and the battery are connected to the grid directly.
Lijie Liu, Dehong Zhou, Jianxiao Zou, Weijun Wang   +3 more
semanticscholar   +1 more source

A T-Type DAB-Based Isolated DC-DC-AC Three-Port Converter With High Power Efficiency

IEEE transactions on power electronics, 2023
This article proposes a high-efficiency isolated dc–dc–ac three-port converter (TPC) intended for residential photovoltaic-battery systems. The TPC is derived from a dual active bridge based dc–ac converter.
Cong Li, Jinjun Liu, Sixing Du, Hengkai Dang, Zhifeng Deng, H. Chen   +5 more
semanticscholar   +1 more source

Noise Problems on DC Lines Supplying Static Frequency Convertors

2nd Symposium and Technical Exhibition on Electromagnetic Compatibility, Montreux, 1977
The particular electromagnetic compatibility problems is analysed which is originated by the generation of current harmonics on constant voltage lines supplying power DC-AC static invertors.
P. Ferraris, M. Lazzari, F. Villata
semanticscholar   +1 more source

Bidirectional AC–DC Modular Multilevel Converter With Electric Spring Functions for Stabilizing Renewable AC Power Grid at the Distribution Voltage Level

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
Bidirectional ac–dc power converters are essential in emerging smart grids with increasing renewable energy penetration. This article presents a bidirectional ac–dc power converter system comprising modular multilevel converters (MMCs) and dual active ...
H. S. Lam, Huawei Yuan, Siew-Chong Tan, C. Mi, J. Pou, S. Hui   +5 more
semanticscholar   +1 more source

Comparative Evaluation of a Full- and Partial-Power Processing Active Power Buffer for Ultracompact Single-Phase DC/AC Converter Systems

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
One of the key technical challenges of the Google and IEEE Little Box competition, an international contest to build the world’s smallest 2-kW single-phase inverter in 2015, was to shrink the volume of the energy storage required to cope with the twice ...
D. Neumayr, G. Knabben, E. Varescon, D. Bortis, J. Kolar   +4 more
semanticscholar   +1 more source

Common-Mode EMI Noise Analysis and Reduction for AC–DC–AC Systems With Paralleled Power Modules

IEEE transactions on power electronics, 2020
In this article, the common-mode (CM) noise model is developed for an ac–dc–ac system with paralleled power modules. The CM noise contributions from both rectifiers and motor drives are analyzed.
Le Yang, Hui Zhao, Shuo Wang, Yongjian Zhi   +3 more
semanticscholar   +1 more source

An Application of Three-Phase PWM AC-DC-AC Rectifiter

2025 International Conference Automatics, Robotics and Artificial Intelligence (ICARAI)
This article explores the working principles, benefits, and a method for control of a three phase PWM AC-DC-AC rectifier. Three-phase PWM AC-DC-AC rectifiers are widely used in industrial and power electronics applications due to their high efficiency ...
K. Hristov
semanticscholar   +1 more source