نتایج جستجو برای: grid strategy model

تعداد نتایج: 2432639  

This paper presents a control strategy for fuel cell/energy storage power generation system during voltage sag conditions. The hybrid DC power sources are connected to grid using power electronic converters include DC-DC converter and grid connected voltage source inverter. The power from hybrid power sources is controlled during voltage sag by designing of control strategy for DC-DC converter....

2008
Nikola Trcka Wil M. P. van der Aalst Carmen Bratosin Natalia Sidorova

In this paper we use colored Petri nets (CPNs) and the supporting CPN Tools for the modeling and performance analysis of grid architectures. The notation of Petri nets is a well known graphical formalism, able to model concurrency and different types of communication. CPNs extend Petri nets with timing, hierarchy, data, and programming language constructs, which makes them suitable for the mode...

This paper presents a control strategy for fuel cell/energy storage power generation system during voltage sag conditions. The hybrid DC power sources are connected to grid using power electronic converters include DC-DC converter and grid connected voltage source inverter. The power from hybrid power sources is controlled during voltage sag by designing of control strategy for DC-DC converter....

Journal: :Energies 2022

A comprehensive electric vehicle model is developed to characterize the behavior of Smart e.d. (2013) while driving, charging and providing vehicle-to-grid services. To facilitate strategy development, EV completed with measurement on-board charger efficiency control upon external set-point request via IEC 61851-1. The battery an electro-thermal a dual polarization equivalent circuit electrical...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم تربیتی و روانشناسی 1391

the purpose of this study was to examine the status of supervision on departments’ heads at ferdowsi university of mashhad (fum) and realize some applied themes to provide a fit model for supervising departments’ heads in fum. the method was case study under a research category aimed for applied one. using purposive sampling, interviews were conducted with top fum managers, head departments, an...

Journal: :International journal of advances in signal and image sciences 2022

In recent years, the move to green energy systems for power generation has greatly increased, and Wind Energy Systems (WES) are among most efficient natural resources. Various control techniques can be employed improve amount of system's inverter. This paper implements a new Model Predictive Controller (MPC) Conversion System (WECS), which is connected grid. The system wind as its input, AC sou...

Although LCL filters are used widely in the grid connected inverters to reduce high-orderharmonics, such a system increases system order and therefore sustainable design of closed-loopcontroller system will be complicated. Recently, the single-loop control strategy has beensuggested for L or LC filter based grid-connected inverters. However, the use of single-loopcontrol directly in LCL filter-...

This paper demonstrates an enhancement of power quality in grid integrated systems with the help of the proposed control strategy for voltage source converter based active power filters. The Shunt Active Power filters (SAPF) are extensively utilized in modern grid integrated systems to diminish the power quality concerns associated with it. The SAPF is one of the various power filters, which ha...

As an efficient alternative to fossil fuels, renewable energy sources have attained great attention due to their sustainable, cost-effective, and environmentally friendly characteristic. However, as a deficiency, renewable energy sources have low reliability because of their non-deterministic and stochastic generation pattern. The use of hybrid renewable generation systems along with the storag...

In conventional power systems, frequency and voltage deviations are chosen as indexes for characterizing conventional power system security. While  in an autonomous micro grid with Electronically Interfaced Distributed Generation (EIDG), frequency and voltage deviations  against power and loads disturbances perfectly controlled by f-P and V-Q controller. Unlike conventional power syst...

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