Results 1 to 10 of about 1,755,988 (293)

Novel Fuzzy-Swarm Optimization for Sizing of Hybrid Energy Systems Applying Smart Grid Concepts

open access: yesIEEE Access, 2021
A hybrid energy system (HES) is a perfect option for supplying electric energy to remote areas. A HES normally uses renewable energy sources such as wind and PV.
Ali M. Eltamaly, Majed A. Alotaibi
doaj   +1 more source

Day-ahead allocation of operation reserve in composite power systems with large-scale centralized wind farms [PDF]

open access: yes, 2015
This paper focuses on the day-ahead allocation of operation reserve considering wind power prediction error and network transmission constraints in a composite power system. A two-level model that solves the allocation problem is presented.
A Ahmadi-Khatir   +21 more
core   +1 more source

Smart grids and power system reliability [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2021
Smart grids and the reliability of the power system issues are discussed in the paper. Smart Grids have emerged as a mean to increase the efficiency of energy systems around the world. Based on the analysis of Smart Grid implementation, liberalization of
Dilparić-Cakić Milica, Ristić Mihajlo
doaj   +1 more source

Reliability modelling of uninterruptible power supply using probability tree method [PDF]

open access: yes, 2006
The unreliability of public power lines have led to the need of uninterruptible power supply (UPS). Utility power failures will cause unacceptably high risk to the profitability, existence and growth of the vital aspect of business that depends heavily ...
Jovanovic, S., Lo, K.L., Rahmat, M.K.
core   +1 more source

Probabilistic Power Flow Analysis for Hybrid HVAC and LCC-VSC HVDC System

open access: yesIEEE Access, 2019
Some innovative works have been done to probabilistic power flow (PPF) analysis for hybrid HVAC and LCC-VSC HVDC system in this paper. Firstly, a unified method considering precise model of converters is proposed to solve a general deterministic power ...
Tong Shu   +7 more
doaj   +1 more source

Assessing the reliability of adaptive power system protection schemes [PDF]

open access: yes, 2012
Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Abdulhadi, Ibrahim Faiek   +3 more
core   +1 more source

Study on Emergency Load Shedding of Hybrid AC/DC Receiving-End Power Grid with Stochastic, Static Characteristics-Dependent Load Model

open access: yesEnergies, 2019
When large-capacity HVDC (high voltage direct current) transmission line blocking occurs in a hybrid AC/DC (alternating current/direct current) power grid, the receiving-end system will encounter a huge power imbalance, which will lead to a frequency ...
Yingying Jiang   +6 more
doaj   +1 more source

Power system reliability analysis

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
Abstract Electric power development is the key factor of economic development, but also an important guarantee of industrial modernization. At present, with the improvement of people’s quality of life, electricity has become an indispensable part of ensuring people’s lives.
Xiwen Feng, Fei Tong
openaire   +1 more source

High-Order Compensation Topology Integration for High-Tolerant Wireless Power Transfer

open access: yesEnergies, 2023
Wireless power transfer (WPT) has been a promising way to transfer power wirelessly over certain distances through the mutual inductance (MI) of the magnetically coupled transmitter and receiver coils, providing significant benefits of convenience ...
Zhaoyang Yuan   +6 more
doaj   +1 more source

High‐performance ZnO varistor ceramics prepared by arc‐induced flash sintering with low energy consumption at room temperature

open access: yesHigh Voltage, 2022
The development of ultra‐high voltage transmission lines requires a ZnO arrester with excellent electrical response and high voltage gradient. Compared with conventional preparation methods, flash sintering allows fast production of novel high ...
Angxuan Wu   +8 more
doaj   +1 more source

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