Results 11 to 20 of about 231,367 (247)

Design of bootstrap integrated synchronous rectifier

open access: yesMATEC Web of Conferences, 2018
Based on the research of the development of synchronous rectification technology, this paper proposes a circuit structure of bootstrap synchronous rectifier chip.
LIU Shulin   +4 more
doaj   +3 more sources

Accurate Average Value Modeling of Synchronous Machine-Rectifier System Considering Stator Resistance

open access: yesIranian Journal of Electrical and Electronic Engineering, 2009
An accurate average value model of synchronous machine-rectifier system considering the effect of stator resistance is derived in this paper. A proper voltage-behind-reactance synchronous machine model without any approximations is used for the generator
M. Shahnazari, A. Vahedi
doaj   +1 more source

Sustained Self-Powered Real-Time Vibration Monitoring Through Integrated Nonlinear Harvesting and Energy-Aware Wireless Sensing. [PDF]

open access: yesAdv Sci (Weinh)
A self‐powered vibration sensing platform integrates a quasi‐zero‐stiffness piezoelectric harvester, synchronized electric charge extraction, energy management, and wireless ADC acquisition. Ambient vibration is simultaneously harvested as energy and digitized as information, enabling sustained real‐time waveform monitoring without external power.
Li Y   +10 more
europepmc   +2 more sources

Fault Diagnosis of the Rotating Rectifier Diode Over a TSSM Based on the Armature Current Calculation and Similarity Measurement

open access: yesIEEE Access, 2022
This work proposes a method for detecting the fault of a rotating rectifier. The rotating rectifier is an important part of a three-stage synchronous motor. It is located on the high-speed rotating rotor.
Peirong Zhu, Yongzhi Liu, Bingjie Fan
doaj   +1 more source

GaN Active Rectifier Diode

open access: yesIEEE Open Journal of Power Electronics, 2022
Active or synchronous rectification is used today to further increase the efficiency of mass-market power supplies by eliminating the turn-on voltage of rectifier diodes, thus reducing conduction losses.
Michael Basler   +4 more
doaj   +1 more source

Computation of Optimal Current References for Flux-weakening of Multi-Phase Synchronous Machines [PDF]

open access: yes, 2012
Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees of freedom, multi-phase machines
Bassel Aslan   +13 more
core   +1 more source

Bidirectional DC Converter with Frequency Control: Analysis and Implementation

open access: yesEnergies, 2018
In this paper, a direct current (dc) converter with the abilities of bidirectional power transfer and soft switching characteristics is studied and implemented. The circuit schematic of the developed dc converter is built by a half-bridge converter and a
Bor-Ren Lin, Yen-Chieh Huang
doaj   +1 more source

An Adaptive Synchronous Rectification Driving Strategy for Bidirectional Full-Bridge LLC Resonant Converter

open access: yesEnergies, 2021
In this study, an adaptive driving method for synchronous rectification in bidirectional full-bridge LLC resonant converters used in railway applications is proposed.
Chun-Yu Liu   +4 more
doaj   +1 more source

Efficiency loss breakdown for synchronous rectification scheme for automotive applications

open access: yesThe Journal of Engineering, 2019
This article presents a synchronous rectification scheme using a six-phase Lundell alternator and a bespoke MOSFET-based active rectifier. The control of the alternator-rectifier system is divided into the hysteresis DC-link voltage control and the ...
Dimitrios Sarafianos   +4 more
doaj   +1 more source

Suppressing Effect of Synchronous Condenser on Transient Overvoltage of UHVDC System under Hierarchical Connection Mode

open access: yesZhongguo dianli, 2020
At present, hierarchical connection mode has been adopted in UHVDC projects, and with the increasing proportion of new energy generation, the power grid at the sending end is facing the problem of transient overvoltage (TOV), which can be restrained by ...
Li QIAO, Hang WANG, Jian XIE, Chunyi GUO
doaj   +1 more source

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