Results 21 to 30 of about 47,285 (266)

Optimal Placement of Capacitors, Voltage Regulators, and Distributed Generators in Electric Power Distribution Systems

open access: yesIngenierĂ­a, 2020
Context: With the advent of the smart grid paradigm, electrical distribution network (EDN) operators are making efforts to modernize their power grids through the optimal implementation of distributed generators (DGs) and other devices such as capacitors
Luis Alfonso Gallego Pareja   +2 more
doaj   +1 more source

Active distribution network with efficient utilisation of distributed generation ancillary

open access: yesIET Smart Grid, 2018
This study introduces an active distribution network with high penetration of inverter-based distributed generations (IBDGs) to improve the steady state, dynamic and transient performance of the distribution network.
Desmond O. Ampofo   +2 more
doaj   +1 more source

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

Stand-alone excitation synchronous wind power generators with power flow management strategy

open access: yesThe Journal of Engineering, 2014
This study presents a stand-alone excitation synchronous wind power generator (SESWPG) with power flow management strategy (PFMS). The rotor speed of the excitation synchronous generator tracks the utility grid frequency by using servo motor tracking ...
Tzuen-Lih Chern   +6 more
doaj   +1 more source

Time-Ratio Control of Chopper-Type AC Voltage Regulators

open access: yesJournal of King Saud University: Engineering Sciences, 1991
This paper discusses an improved technique and a completed design of a microprocessor-based AC voltage regulator circuit. The proposed regulator is working in the chopping mode and hence presents improvements in its performance characterized by:a ...
K.E. Ad’doweesh   +2 more
doaj   +1 more source

An Effective Coordination Strategy for Voltage Regulation in Distribution System Containing High Intermittent Photovoltaic Penetrations

open access: yesIEEE Access, 2021
In recent years, with increasing the penetration of renewable-based distributed generations, voltage control plays a vital role in operating distribution systems.
Ahmed Bedawy   +3 more
doaj   +1 more source

Using Group Predictive Voltage and Frequency Regulators of Distributed Generation Plants in Cyber-Physical Power Supply Systems

open access: yesEnergies, 2022
The widespread use of distributed generation (DG) plants in cyber-physical power supply systems (CPPSS) requires solving the complex problem of setting their regulators.
Yuri Bulatov   +2 more
doaj   +1 more source

Low-Voltage LDO Regulator Based on Native MOS Transistor with Improved PSR and Fast Response

open access: yesEnergies, 2023
In this paper, a low-voltage low-dropout analog regulator (ALDO) based on a native n-channel MOS transistor is proposed. Application of the native transistor with the threshold voltage close to zero allows elimination of the charge pump in low-voltage ...
Grzegorz Blakiewicz
doaj   +1 more source

Active and reactive power coordination control strategy of overvoltage for distributed PV integrated grid

open access: yesThe Journal of Engineering, 2019
Aiming at the voltage rise due to the photovoltaic generation system (PVGS) at the point of common coupling (PCC), the cause is analysed with power transmission theory. Here, the principle and strategies of voltage regulation based on active and reactive
Song Tuo, Duan Jiandong, Xiang Ma
doaj   +1 more source

Robust AVR design for the synchronous generator

open access: yesThe Journal of Engineering, 2019
Conventional automatic voltage regulator (AVR) schemes use thyristor-based rectifiers in which the generator field voltage is varied by changing the thyristor's firing angle.
Lamyaa Y. Ghamri   +5 more
doaj   +1 more source

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