regarding the importance sizing and grading crop in the market and other processing operations, in this study, a machine for hazelnut sizing designed, constructed and evaluated. the machine based on sizing mechanism of diverged belt. the sizing unit has a structure similar to a horizontal belt conveyor. the distance between the ropes at the entrance of the product (the end of the driven roller)...

Interfacing a weak grid imposes challenges on distributed generators (DGs). These include transient frequency and voltage dynamics that can destabilize the system. Accordingly, this paper investigates stiffness based different scenarios of feeding DG connected to grid. Moreover, dynamic effects physical control parameters system’s stability are deeply analyzed evaluated. Specifically, complete ...

This paper presents four optimization outcomes for a diesel generator (DG), photovoltaic (PV), and battery hybrid generating radial system, to reduce the network losses achieve optimum generated power with minimum costs. The effectiveness of utilized meta-heuristic algorithms in this (firefly algorithm, particle swarm optimization, genetic surrogate optimization) was compared, considering facto...

Power loss and voltage instability are major problems in distribution systems. However, these typically mitigated by efficient network reconfiguration, including the integration of distributed generation (DG) units network. In this regard, optimal placement sizing DGs crucial. Otherwise, performance will be degraded. This study is conducted to optimally locate into a radial before after reconfi...

Abstract Increasing power demand and encouragement of renewable energy generation appear the importance Distributed Generation (DG). The Photovoltaic (PV) is considered a resource distributed generation. integration PV-DG unit into grid has significant effect on reducing real losses, operating costs, enhancing voltage stability. Most current researches handle this issue from point optimizing si...

This paper has developed a novel multiobjective function for optimal sizing and sitting of Distributed Generation (DG) units and capacitor banks in simultaneous mode to improve reliability and reduce energy losses. The proposed function consists of four objectives: Cost of Energy Not Supplied (CENS), System Average Interruption Duration Index (SAIDI), costs of energy loss and investment. A nove...

This project presents a new methodology using Fuzzy and Harmony Search Algorithm (HSA) for the placement and sizing of distributed generation units in the distribution systems to reduce the power losses and to improve the voltage profile within the limits. Distribution systems are typically spread over large areas and are responsible for a significant portion of total power losses. Electrical e...

Widespread application of plug-in hybrid electric vehicles (PHEVs) as an important part of smart grids requires drivers and power grid constraints to be satisfied simultaneously. We address these two challenges with the presence of renewable energy and charging rate optimization in the current paper. First optimal sizing and siting for installation of a distributed generation (DG) system is per...