Results 21 to 30 of about 134,723 (348)

Memperbaiki Tegangan dan Rugi–rugi Daya pada Sistem Transmisi dengan Optimasi Penempatan Kapasitor menggunakan Algoritma Genetika

Jurnal Nasional Teknik Elektro, 2016
Electric power system is said to have a high degree of reliability if the system is able to provide a supply of electrical energy required by consumers continuously.
Syukri Yunus, Heru Dibyo Laksono, Putri Nidya   +2 more
doaj   +1 more source

Electrical performance and reliability characterization of a SiC MOSFET power module with embedded decoupling capacitors [PDF]

, 2018
Integration of decoupling capacitors in SiC MOSFET modules is an advanced solution to mitigate the effect of parasitic inductance induced by module assembly interconnects. In this paper, the switching transient behavior is reported for a 1.2kV SiC MOSFET
Corfield, Martin, Dai, Jingru, Harris, Anne, Johnson, C. Mark, Li, Ke, O Brien, John, O'Brien, John, Paciura, Krzysztof, Yang, Li   +8 more
core   +3 more sources

Low-Cost System with Transient Reduction for Automatic Power Factor Controller in Three-Phase Low-Voltage Installations

Energies
In power engineering, the importance of maintaining a high power factor in low-voltage electrical installations is known. In power substations for industry, the usual method of coupling is to use an automatic power factor controller which connects ...
Gabriel Nicolae Popa, Corina Maria Diniș   +1 more
doaj   +1 more source

Electric circuit networks equivalent to chaotic quantum billiards

, 2004
We formulate two types of electric RLC resonance network equivalent to quantum billiards. In the network of inductors grounded by capacitors squared resonant frequencies are eigenvalues of the quantum billiard.
A. M. Dykhne, Almas F. Sadreev, B. D. Popovic, Dmitrii N. Maksimov, Evgeny N. Bulgakov, H.-J. Stöckmann, K.-F. Berggren, K.-F. Berggren, R. L. Weaver   +8 more
core   +1 more source

Bifurcation analysis of stabilization circuits in an L-band LDMOS 60-W power amplifier [PDF]

, 2005
n this letter, the global stability analysis of an L-band push-pull power amplifier is presented. The analysis is carried out for the amplifier operating in different modes, such as Class AB, Class B, and Class E/F, considering variations in the bias ...
Rutledge, David B., Suárez, Almudena, Wang, Feiyu   +2 more
core   +1 more source

A Torque Control Method Based on I-MR Controller for IPMSM Drive With Small DC-Link Capacitor

IEEE Access, 2021
In traditional motor drive system, large volume electrolytic capacitors are utilized to buffer energy and stabilize the dc-link voltage. However, these capacitors affect the reliability of the drives and narrow the conduction angle of diode-rectifier. As
Haichun Li, Quan Yin, Qingyi Wang, Jigui Miao, Yanting Hou   +4 more
doaj   +1 more source

Power conversion architecture for grid interface at high switching frequency [PDF]

, 2014
This paper presents a new power conversion architecture for single-phase grid interface. The proposed architecture is suitable for realizing miniaturized ac-dc converters operating at high frequencies (HF, above 3 MHz) and high power factor, without the ...
Lim, Seungbum, Otten, David M., Perreault, David J.   +2 more
core   +1 more source

Simple Capacitors to Supercapacitors - An Overview

International Journal of Electrochemical Science, 2008
The renaissance of electrical/electrochemical double layer capacitors is occurring at a phenomenally high rate as the significant role of these power storage devices in traction, space flight technology, power electronics and other related fields is ...
M. Jayalakshmi, K. Balasubramanian
doaj   +1 more source

Fault diagnosis of power capacitors using a convolutional neural network combined with the chaotic synchronisation method and the empirical mode decomposition method

IET Science, Measurement & Technology, 2021
This study combined a Convolutional Neural Network (CNN) with the chaos theory and the Empirical Mode Decomposition (EMD) method for the attenuation fault recognition of power capacitors.
Shiue‐Der Lu, Hong‐Wei Sian, Meng‐Hui Wang, Cheng‐Chien Kuo   +3 more
doaj   +1 more source

The design of a model predictive control strategy and performance analysis for pumped storage units and super capacitors in power systems

Frontiers in Energy Research
IntroductionSuper capacitors were regarded as one of the most effective frequency regulation technologies in power systems. The major issue of applying super capacitors for frequency regulation is the limited energy capacity and the high construction ...
Wang Zhidong, Han Xiaonan, Wang Ying
doaj   +1 more source