Results 1 to 10 of about 4,001,299 (256)

A Novel Two-Stage Photovoltaic Grid-Connected Inverter Voltage-Type Control Method with Failure Zone Characteristics

open access: yesEnergies, 2018
This paper investigates how to develop a two-stage voltage-type grid-connected control method for renewable energy inverters that can make them simulate the characteristics of a synchronous generator governor.
Xiangwu Yan   +6 more
doaj   +3 more sources

A Comparative Study of PID and Bio-Inspired Fuzzy Controllers for Speed Regulation of Low-Cost Geared DC Motors [PDF]

open access: yesBiomimetics
Low-cost geared DC motors are widely used in mobile robotics and embedded mechatronic systems; however, their control remains challenging due to dead-zone nonlinearities, friction, low encoder resolution, motor asymmetry, and supply voltage variations ...
Ionel Petrescu   +4 more
doaj   +2 more sources

Analysis of the number of switches of on-load tap changer of a power transformer for field substation, taking into account discrete time and voltage level sampling [PDF]

open access: yesE3S Web of Conferences, 2020
The introduction of “smart grids” technologies poses the problems of multi-criteria determination of the optimum voltage in the main substation of the object under study.
Tabachnikova T.V.   +2 more
doaj   +1 more source

Double Pilot Node Decentralized Voltage Control of PV Generators via Droop-Type Optimization-Free Reactive Support

open access: yesIEEE Access, 2022
Enhancing voltage control (VC) in modern distribution grids with intense photovoltaic (PV) penetration via PV inverter reactive support is a research problem that has received considerable attention.
Henrique P. Correa   +2 more
doaj   +1 more source

Analysis and Simulation of Overmodulation Modes of a Three-Inverter Block of the Photovoltaic Installation [PDF]

open access: yesProblems of the Regional Energetics, 2022
The purpose of this work is to modernize the control scheme of a transformer-based photovoltaic system with three inverters controlled by the modified algorithms of synchronous space-vector PWM in order to ensure linear regulation of the system in the ...
Oleschuk V.
doaj   +1 more source

Approaches to establishing voltage control requirements for distributed generation units [PDF]

open access: yesE3S Web of Conferences, 2019
Analysis of Russian national regulation and technical standards requirements for generating equipment participation in voltage and reactive power control in the power system carried out.
Ilyushin Pavel   +2 more
doaj   +1 more source

Study on Magnetic Flux Weakening Control Strategy of Interior Permanent Magnet Synchronous Motor [PDF]

open access: yesXibei Gongye Daxue Xuebao, 2018
When the maximum ratio of torque to current strategy is used for IPMSM flux weakening speed regulation, it is needed to solve nonlinear High-Order equations determining the direct and quadrature axis current given value.

doaj   +1 more source

Analysis of processes in the converter with twelve-zone voltage regulation and electromechanical load

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2020
The article focuses on electromagnetic processes in the electric circuits with semiconductor switches. The mathematical model of the converter with twelve-zone regulation of output voltage has been developed to analyse electromagnetic processes in ...
V. Mykhailenko   +2 more
doaj   +1 more source

Adaptive inertia control of hybrid energy storage system based on Butterworth filter

open access: yesEnergy Reports, 2023
The large-scale access of new energy to the power grid leads to a significant decrease in the inertia level of the power system, which seriously threatens the system frequency stability.
Hui Liu   +4 more
doaj   +1 more source

Extending DC Bus Signaling and Droop Control for Hybrid Storage Units to Improve the Energy Management and Voltage Regulation

open access: yesInventions, 2022
DC bus-voltage signaling (DBS) and droop control are often used in DC nano and microgrids with decentralized distributed energy resources (DERs). This technique effectively enforces the appropriate contributions of power sources and energy storage ...
Ahmad M. A. Malkawi   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy