نتایج جستجو برای: distributed generation resources
تعداد نتایج: 843553 فیلتر نتایج به سال:
abstract: in this paper a control scheme for grid-connected operation mode and the island state of distributed generation is presented. in normal conditions, every inverter dg system in micro-grids to supply a preset power, normally operate in a constant current control mode. when micro-grids removed from the network, dg inverter of each system must recognize the island and change position to v...
In this paper, the combined and new methods in distribution network with distributed generation are introduced to allocate fixed cost fairly that is applicable for radial network. Allocation of fixed cost based MW-mile is not fairer method. Fixed cost allocated based on average or peak consumed power using MW-mile that is not fairer method. It is essential to a new method introduced. Unfair pri...
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....
Distributed Energy Resources (DERs) play a key role in the Active Distribution Networks (ADNs) with environmental concerns. Their small scales and the uncertainty pertaining to intermittent generation of renewable resources are the major challenges of participating in the wholesale electricity markets. Based on the concept of Virtual Power Plant (VPP), the aggregation of heterogeneous DERs is p...
Static voltage stability is considered as one of the main issues for primary identification before voltage collapsing in distribution systems. Although, the optimum siting of distributed generation resources in distribution electricity network can play a significant role in voltage stability improving and losses reduction, the high penetration level of them can lead to reduction in the improvem...
With development of distributed generation in industrial microgrids (IMGs), the energy management program is used for optimal scheduling of production and consumption that reduced the operation cost. By restructuring in power systems and increasing energy prices in some hours of the day, more attention has been paid to the demand side management programs. In this paper a new model for controlla...
This paper presents a multi-objective formulation for optimal siting and sizing of distributed generation (DG) resources in distribution systems in order to minimize the cost of power losses and energy not supplied. The implemented technique is based on a genetic algorithm (GA) and weight method that employed to obtain the best compromise between these costs. Simulation results on 33-bus distri...
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