One of the biggest challenges facing world today is to provide access a safe and affordable electricity supply. Depending on river flow, small-hydropower often cost-effective source renewable energy. Egypt home part Africa's longest it relatively reliable source. Many small hydropower plants can be installed in run-of-river schemes or implemented existing infrastructure. We argue that essential for Egyptian government make use resources, not only meet increasing demand but also reduce fossil...

Distributed generations (DGs) have been utilized in some electric power networks. Power loss reductions, voltage improvement, increasing reliability, postponement of system upgrading and environmental friendliness are advantages DG-unit applications. This paper presents a new optimization approach that employs flower pollination algorithm (FPA) to determine the optimal DG-unit's size location order minimize total real improve buses voltage. The FPA is metaheuristic technique it inspired by...

The integration of the various types distributed generators in low‐voltage (LV) distribution networks becomes a great concern, especially rooftop photovoltaic (PV) systems. negative impacts PVs on feeder buses’ voltage include rise and unbalance (VU). Such voltage‐violation condition depends mainly ratings network percentage. This study presents review for different techniques used to mitigate violation resulting from typical three‐phase four‐wire LV case study. mitigation studied this are...

Different energy requirements of the residential sector are varied, such as electricity, heating, cooling, water, etc., and these necessities met by multi-energy systems using various sources converters. In this paper, an optimal day-ahead operation a large demand is presented based on hub (EH) model with combined heat power (CHP) cogeneration system. The purpose optimization to maximize social welfare (SW) minimize environmental emissions subjected numerous technical constraints. To explore...

Shipboard microgrids (SBMGs) are becoming increasingly popular in the power industry due to their potential for reducing fossil-fuel usage and increasing production. However, operating SBMGs poses significant challenges operational environmental constraints. To address these challenges, intelligent control, management, protection strategies necessary ensure safe operation under complex uncertain conditions. This paper provides a comprehensive review of SBMGs, including classifications,...

An intelligent electronic device (IED) is presented in this article to provide rapid fault detection and location method for ship power systems (SPSs). The IED employs the pilot distance protection scheme with IEC 61850 communication network. proposed depends on high-frequency transient feature which components of current voltage are extracted analyzed estimate system's impedance fault's by comparing estimated prescribed threshold. After that, IEDs can communicate each other based protect...

Abstract Voltage imbalance (VI) is caused by the difference in connected single-phase load or generation a low voltage distribution network (DN).VI increase smart grid due to current practice of increasing distributed generators such as photovoltaic (PV) systems. This paper proposes decentralized control method mitigate VI using batteries included interfaced residential PV To this way, five challenges must be overcome, i.e., equalizing all battery stress currents within DN, mitigating...

This study introduces a proposed control method for microgrids (MGs) in islanded (off-grid) mode. The is developed by modifying the droop using H-infinity controller. In this method, loop, current and voltage loops are adjusted to respond system load variation. an adaptive one as it regulates frequency their nominal values after variations. Also, repetitive depends on internal model principle that provides good performance error tracking. To prove applicability effectiveness of applied test...

The main objective of this paper is to develop a complete model that fully simulate biogas-fueled power plant which can be used supply rural farm with sufficient electricity. reactor fed animal manure the farm. proposed consists three parts; biogas reactor, microturbine (MT) coupled permanent magnet synchronous generator, and storage system. describes dynamics an MT it suitable for both steady state transient simulation analysis. volume output delivered from Anaerobic Digester depends on...

This paper introduces an innovative adaptive scheme for detecting and locating faults in DC-zonal shipboard microgrids (SBMGs). relies on the estimation of high-frequency impedance. The proposed is implemented intelligent electronic device (IED) which Fast Fourier Transform applied to obtain components current voltage at each node. Then, these are exchanged between two IEDs that protect same line by using IEC 61850 GOOSE-based communication system. estimated impedance calculated compared...

This paper proposes a novel scheme for detecting and classifying faults in stator windings of synchronous generator (SG). The proposed employs new method fault detection classification based on Support Vector Machine (SVM). Two SVM classifiers are proposed. SVM1 is used to identify the occurrence system SVM2 determine whether fault, if any, internal or external. In this method, not affected by type location, pre-fault power, resistance inception time. increases ability ground near neutral...

Penetration of Distributed Generation (DG) into the power system causes technical problems and bad effects on safety due to increasing short circuit levels in transmission distribution networks. So, there will be miscoordination directional over current relays (DOCR) when DGs are integrated with looped delivery systems. This paper presents a new approach implementing resistive superconducting fault limiters (SFCL) DG units obtain optimal setting protection system. The coordination is...

Distributed generation is playing an increasingly important and positive role in decreasing network losses, reducing electricity prices, maintaining environmental economical benefits, the investment capacity, delaying upgrade of transmission system. Therefore, researchers have become interested with distributed its connection main power network. But before connecting these resources grid on low-voltage level, worst-case scenario that could occur must be analyzed first. This article...