Results 11 to 20 of about 136,626 (309)

Unbalanced Voltage Compensation with Optimal Voltage Controlled Regulators and Load Ratio Control Transformer

open access: yesEnergies, 2021
Penetration of equipment such as photovoltaic power generations (PV), heat pump water heaters (HP), and electric vehicles (EV) introduces voltage unbalance issues in distribution systems.
Akito Nakadomari   +6 more
doaj   +1 more source

Switching regulator based on switched‐inductor SEPIC DC‐DC converter with a continuous input current for lithium‐ion batteries

open access: yesIET Power Electronics, 2021
This study discusses a control strategy applied to the switched‐inductor single‐ended primary‐inductance converter (SEPIC) converter suitable for applications where the voltage delivered by a DC source varies from above or below the nominal value.
Juan Antonio Villanueva‐Loredo   +3 more
doaj   +1 more source

Linear-assisted DC/DC converters with modified current-mode control applied to photovoltaic solar systems [PDF]

open access: yes, 2014
This article shows the proposal of a current-mode one-cycle control for linear-assisted DC/DC converters. Linearassisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in the design of power supply systems ...
Martínez García, Herminio
core   +1 more source

A Microcomputer Control for Step-Voltage Regulators

open access: yesIEEE Transactions on Power Apparatus and Systems, 1985
Advances in the state of the art applicable to electronic controls make possible continuing enhancements in these products. The use of microprocessor based digital techniques is the latest advance in a long continuing evolution of products dedicated to the control of step-voltage regulators or load tapchangers on transformers. The fundamental nature of
J. H. Harlow, C. J. LaPlace
  +5 more sources

Modelling of thermal power plant for the needs of Q-V characteristic control on HV bus bars [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2015
In this paper, a mathematical model of the thermal power plants TENT A and TENT B, developed for voltage and reactive power control simulation purposes, is presented. The model is developed using the Simulink/Matlab program platform.
Pavlović Jelena   +5 more
doaj   +1 more source

4-Node Test Feeder with Step Voltage Regulators [PDF]

open access: yesInternational Journal of Electrical Power & Energy Systems, 2018
Abstract This work has two main contributions; First, the development of a general, exact and standardized Step Voltage Regulator model considering all possible configurations and second, the proposal of a 4-Node Test System for testing and evaluation of three-phase Step Voltage Regulator connections. Although the 4-Node Test Feeder for testing three
González Morán, Cristina   +3 more
openaire   +2 more sources

Suppression of Second-Order Harmonic Current for Droop-Controlled Distributed Energy Resource Converters in DC Microgrids [PDF]

open access: yes, 2020
Droop-controlled distributed energy resource converters in dc microgrids usually show low output impedances. When coupled with ac systems, second-order harmonics typically appear on the dc-bus voltage, causing significant harmonic currents at the ...
Caldognetto, Tommaso   +3 more
core   +1 more source

A Fully Distributed Voltage Optimization Method for Distribution Networks Considering Integer Constraints of Step Voltage Regulators

open access: yesIEEE Access, 2019
With the increasing penetration of distributed photovoltaics (PVs), the operation and control of distribution networks (DNs), especially voltage control, have become more complicated.
Yixin Liu   +5 more
doaj   +1 more source

Comparative aspects in control strategies for hybrid DC-DC converters [PDF]

open access: yes, 2016
Linear-switching hybrid DC/DC converters consist of a voltage linear regulator (classic NPN or nMOS topologies and LDO) connected in parallel with a switching DC/DC converter.
Cosp Vilella, Jordi   +1 more
core   +3 more sources

Power-Based Droop Control in DC Microgrids Enabling Seamless Disconnection From Upstream Grids [PDF]

open access: yes, 1997
This paper proposes a local power-based droop controller for distributed energy resource converters in dc microgrids that are connected to upstream grids by grid-interface converters.
Atherton, C.   +23 more
core   +1 more source

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