Results 31 to 40 of about 2,265,089 (302)

A Multi-Function Conversion Technique for Vehicle-to-Grid Applications

open access: yesEnergies, 2015
This paper presents a new multi-function conversion technique for vehicle-to-grid (V2G) applications. The proposed bi-directional charger can achieve three functions, including EV battery charging, grid-connection and reactive compensation, which are ...
Ying Fan   +4 more
doaj   +1 more source

Optimal Multiobjective Control of Low-Voltage AC Microgrids: Power Flow Regulation and Compensation of Reactive Power and Unbalance

open access: yesIEEE Transactions on Smart Grid, 2020
The presence of single-phase distributed generators unevenly injecting active power in three-phase microgrids may create undesired upstream current unbalance.
D. Brandão   +4 more
semanticscholar   +1 more source

LCC-HVDC Converter Station Reactive Power Optimization and Two-Layer Coordination Strategy Research Based on Synchronous Sondenser

open access: yes南方能源建设, 2023
[Introduction] Under the existing converter station reactive power compensation scheme, the synchronous condenser only provides transient reactive power support, and the AC (Alternating Current) filter undertakes steady-state reactive power compensation ...
Dongqing ZHANG   +3 more
doaj   +1 more source

REACTIVE POWER COMPENSATION

open access: yes, 2023
The main task of power engineers is to provide consumers of electricity and consumers of industrial enterprises with high-quality and uninterrupted electricity. Reactive power compensation is important for improving power quality. Therefore, several methods of reactive power compensation are considered below.
openaire   +1 more source

An active power filter based on a three-level inverter and 3D-SVPWM for selective harmonic and reactive compensation

open access: yes, 2017
Active Power Filters (APFs) have been used for reducing waveform distortion and improving power quality. However, this function can be improved by means of a selective harmonic compensation.
J. L. Monroy-Morales   +4 more
semanticscholar   +1 more source

Full compensation of reactive power in electric networks 0.4-10kV

open access: yesJournal of Physics: Conference Series, 2020
The most important task in electric networks is to reduce energy losses. According to Network Company, in distribution electric networks with a voltage of 0.4-10 kV, they account for 62% of the total number of losses.
S. A. Nazarychev   +2 more
semanticscholar   +1 more source

Dynamic reactive power planning method for CSP-PV hybrid power generation system

open access: yesJournal of Measurement Science and Instrumentation, 2020
Aiming at the faults of some weak nodes in the concentrated solar power-photovoltaic(CSP-PV) hybrid power generation system, it is impossible to restore the transient voltage only relying on the reactive power regulation capability of the system itself ...
ZHANG Hong   +4 more
doaj  

Multi-Timescale Active and Reactive Power-Coordinated Control of Large-Scale Wind Integrated Power System for Severe Wind Speed Fluctuation

open access: yesIEEE Access, 2019
Wind speed fluctuations are extremely easy to cause the voltage change frequently. The existing voltage control methods are lacking in adjustment range and response speed.
Jinxin Ouyang   +3 more
doaj   +1 more source

Multi-objective Optimal Allocation of Reactive Compensation and OLTC in Active Distribution Network

open access: yesZhongguo dianli, 2023
In order to cope with the power flow fluctuation of the active distribution network and improve the economy and security of the active distribution network operation, a multi-objective optimal configuration model integrating the investment layer and the ...
Yu TIAN   +7 more
doaj   +1 more source

Research on Reactive Power Coordination Control of Urban Rail Transit Power Monitoring System

open access: yesChengshi guidao jiaotong yanjiu
[Objective] The power supply system of urban rail transit mainly relies on the SVG (static var generator) or reactors in the 110 kV main substation for centralized reactive power compensation. The current control mode does not fully consider the reactive
ZOU Dayun   +5 more
doaj   +1 more source

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