Results 41 to 50 of about 758,847 (249)

Design of alternating current voltage–regulating circuit based on thyristor: Comparison of single phase and three phase

open access: yesMeasurement + Control, 2020
The voltage sag problem in a power grid can be solved by a voltage regulator. In this study, the voltage regulator based on thyristor was used to compensate the single-phase and three-phase voltage of voltage sag fault, so as to recover the normal level ...
Zonglu Zhang
doaj   +1 more source

Hybrid Additive Manufacturing of Highly Stretchable Bottlebrush Polymer Nanocomposites by Decoupled Extrusion and Photopatterning

open access: yesAdvanced Materials Technologies, EarlyView.
A Hybrid Direct Ink Writing–Digital Light Processing (HDD) strategy decouples material extrusion from shape definition, enabling high‐fidelity additive manufacturing of highly viscous, yield‐stress polymer nanocomposites. Excess ink acts as a removable, self‐supporting scaffold, allowing fabrication of unsupported and embedded complex architectures ...
Shahryar Ramezani Bajgiran   +3 more
wiley   +1 more source

MITIGASI VOLTAGE SAG DENGAN DYNAMIC VOLTAGE RESTORER BERBASIS PRE-SAG MENGGUNAKAN MATLAB/SIMULINK [PDF]

open access: yes, 2016
Voltage sag merupakan masalah kualitas daya listrik yang diantaranya disebabkan oleh hubung singkat ke tanah saluran transmisi dan distribusi. Alternatif perlindungan beban terhadap voltage sag adalah Dynamic Voltage Restorer (DVR).
SHALAHUDDIN, YANU
core   +1 more source

A comprehensive evaluation method of DC voltage sag in medium–low voltage DC distribution system

open access: yesEnergy Reports, 2022
The development of the DC distribution system (DCDS) has attracted increasing attention, due to its technological superiorities in integrating new energy sources and DC power loads more friendly and effectively.
Zhenqiang Li   +5 more
doaj   +1 more source

Voltage dip immunity of equipment in installations [PDF]

open access: yes, 2007
This paper presents the status of the work in C4.110, a joint working group by CIGRE, CIRED and UIE. The scope of the working group is to gather technical knowledge on the immunity of equipment, installations and processes against voltage dips, and to ...
Stephens, M.   +5 more
core  

Physics‐Informed Neural Network‐Enabled Forward Prediction and Inverse Design of Ring Origami

open access: yesAdvanced Science, EarlyView.
This work presents a KRT‐PINN framework that integrates Kirchhoff rod theory with physics‐informed neural networks for the forward prediction and inverse design of ring origami consisting of closed‐loop rods. The framework predicts stable states of segmented rings with prescribed natural‐curvature profiles and determines the natural‐curvature profiles ...
Luyuan Ning   +3 more
wiley   +1 more source

Bio‐Inspired Bidirectional Winding Origami With Programmable Modular Reconfigurability and Scalability

open access: yesAdvanced Science, EarlyView.
A bio‐inspired bidirectional‐winding origami platform enables scalable and programmable deployable structures. Double axial folding inspired by earwig hindwings and Flasher‐based hybridization create modular multilayer architectures with diverse attainable winding angles under fixed boundary conditions.
Wenyao Zhang   +5 more
wiley   +1 more source

Method for improving voltage sag tolerance of dual power supply PET based on inter-port power coordination

open access: yes电力工程技术
Dual power supply cascaded-type power electronic transformers (DPSC-PET) is connected to two power supplies with high operational reliability and flexible operation mode, and it can be widely used in medium and low voltage distribution networks. It is of
ZHANG Tengfei   +5 more
doaj   +1 more source

Grading Assessment of Energy Index Considering Equipment Tolerance Characteristics

open access: yesZhongguo dianli, 2022
Considering the influence of user equipment's voltage tolerance characteristics on the assessment results, a system-side voltage sag grading assessment method is proposed to improve the energy index, which considers the equipment's tolerance ...
Xingguan FAN   +3 more
doaj   +1 more source

A Residual Voltage Data-Driven Prediction Method for Voltage Sag Based on Data Fusion

open access: yes, 2022
Voltage sag is the most serious power quality problem in the three-phase symmetrical power system. The influence of multiple factors on the voltage sag level and low computational efficiency also pose challenges to the prediction of residual voltage ...
Yi Wang   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy