Results 11 to 20 of about 176,324,123 (299)

Operation Modes of a Secondary-Side Phase-Shifted Resonant Converter

open access: yesEnergies, 2015
In this work, a unidirectional full-bridge resonant converter with secondary-side phase-shifted control is addressed. With the variation of voltage gain and power level, this converter may enter into different operational modes, including three ...
Song Hu   +3 more
doaj   +2 more sources

Operation Modes of HV/MV Substations

open access: yesElectrical, Control and Communication Engineering, 2009
A distribution network consists of high voltage grid, medium voltage grid, and low voltage grid. Medium voltage grid is connected to high voltage grid via substations with HV/MV transformers.
Josifs Survilo, Antons Kutjuns
doaj   +2 more sources

Special Modes of AC Drives Operation in the Mining Industry [PDF]

open access: yesE3S Web of Conferences, 2017
This paper presents research of special modes of AC drives operation. The possibility of obtaining of vibrational and vibrational-rotational modes of the AC drives on the basis of multipurpose polyharmonic mode of actuating motor operation is shown ...
Payuk Lubov   +4 more
doaj   +5 more sources

Comparison and Enlightenment of Foreign Electricity Market Operation Modes [PDF]

open access: yes, 2021
The separation of the power grid and power plants, as well as bidding for the power grid, was the first wave of market-oriented reform in the power industry, which began in the late 1980s in Britain.
Wu, Bowei; The University of Hong Kong
core   +1 more source

Kinematic analysis of a single-loop reconfigurable 7R mechanism with multiple operation modes [PDF]

open access: yes, 2014
This paper presents a novel one-degree-of-freedom (1-DOF) single-loop reconfigurable 7R mechanism with multiple operation modes (SLR7RMMOM), composed of seven revolute (R) joints, via adding a revolute joint to the overconstrained Sarrus linkage.
Chablat, Damien   +4 more
core   +1 more source

OPTIMIZATION OF AGGREGATION AND SEQUENTIAL-PARALLEL EXECUTION MODES OF INTERSECTING OPERATION SETS

open access: yesInformatika, 2016
A mathematical model and a method for the problem of optimization of aggregation and of sequential- parallel execution modes of intersecting operation sets are proposed. The proposed method is based on the two-level decomposition scheme. At the top level
G. М. Levin, B. М. Rozin, A. B. Dolgui
doaj   +1 more source

Reconfiguration analysis of a 3-DOF parallel mechanism using Euler parameter quaternions and algebraic geometry method [PDF]

open access: yes, 2014
This paper deals with the reconfiguration analysis of a 3-DOF (degrees-of-freedom) parallel mechanism (PM) with multiple operation modes - a disassembly-free reconfigurable PM - using the Euler parameter quaternions and algebraic geometry approach.
Kong, Xianwen
core   +1 more source

Novel method to operation conditions identification of high-order power converters

open access: yesJournal of Advanced Research, 2021
Introduction: Intermittent solar energy causes different operational modes of power converters including continuous current modes (CCMs) and discontinuous current modes (DCMs), which need appropriate control strategies and parameters assignment to ensure
Guidong Zhang   +3 more
doaj   +1 more source

Clustering and decision tree based analysis of typical operation modes of power systems

open access: yesEnergy Reports, 2023
The increasing penetration of renewable energy resources has greatly changed the pattern of the modern power system. In this case, the operation modes of power systems are becoming much more complex and the traditional experience-based method is no ...
Wenjia Zhang   +6 more
doaj   +1 more source

Mathematical modeling of a heat pump and its operation modes [PDF]

open access: yesE3S Web of Conferences, 2020
The paper describes a mathematical model of the heat pump system of autonomous heat supply. Calculations of the temperature at the outlet of the pipeline and the heat pump are given; heat generation and heater condition.
Koroli Mehriya, Ishnazarov Oybek
doaj   +1 more source

Home - About - Disclaimer - Privacy