Engineering Commons^™

Hosting Capacity Calculations In Power Systems, Mansoor T. Alturki

Electronic Theses and Dissertations

The aim of this thesis is to investigate and calculate Hosting Capacity in power systems to identify the maximum amount of renewable energy resources that can be deployed. After connecting distributed generation to distribution system, the performance index of the distribution system will improve or deteriorate. The point which is between the acceptable deterioration and unacceptable deterioration is the hosting capacity. This research is specifically concerned with the effect of increasing distributed generation on the performance index in distribution networks and finding the maximum point of the acceptable deterioration.

The hosting capacity is the amount of distributed generation that can …

A Comparison Of Two Method For Dg Optimizing In Power System, Yu Li

Electronic Theses and Dissertations

In this paper, we mainly focus on using new method to solve the DG problem in order to reducing the loss. We start from comparing two new method. We list out the mathematics theory of the two methods. And then, we using a 33 bus modeling to show which method has a better function on reducing the loss for system. After that, we take the better method to reducing the loss for two cases (14 bus , 34 bus modeling). At last, we conclude the result of the research and give some comment on the future works.

Microgrid Modeling And Grid Interconnection Studies, Hira Amna Saleem

Masters Theses

The demand for renewable energies and their integration to the grid has become more pressing than ever before due to the various reasons including increasing population energy demand, depleting fossil fuels, increasing atmospheric population, etc. Thus the vision of a sustainable future requires easy and reliable integration of renewable distributed generators to the grid. This master’s thesis studies the dynamics of distributed generators when they are connected with the main grid. Simulink MATLAB is used for the design and simulations of this system. Three distributed generators are used in this system: Photo-voltaic converter, Fuel cell and diesel generator. The control …

Management Of Plug-In Electric Vehicles And Renewable Energy Sources In Active Distribution Networks, Junhui Zhao

Wayne State University Dissertations

Near 160 million customers in the U.S.A. are served via distribution networks (DNs). The increasing penetration level of renewable energy sources (RES) and plug-in electric vehicles (PEVs), the implementation of smart distribution technologies such as advanced metering/monitoring infrastructure, and the adoption of smart appliances, have changed distribution networks from passive to active. The next-generation of DNs should be efficient and optimized system-wide, highly reliable and robust, and capable of effectively managing highly-penetrated PEVs, RES and other controllable loads. To meet new challenges, the next-generation DNs need active distribution management (ADM).

In this thesis, we study the management of PEVs and …

Integration Of Network Protector Relays On Downtown Distribution Networks With Penetration Of Renewable Energy, Nigel Ramon Jordan

LSU Master's Theses

The demand and use of renewable energy sources such as solar panels is steadily increasing in today’s world. Renewable energy sources in distribution networks effectively reduce the amount of load consumed by customers. Renewable energy sources are also a solution to many environmental concerns. However, when these sources of energy are added to downtown networks they interfere with the normal operation of the protective relays and impose challenges such as unexpected tripping of network protector relays. In this paper, the effects of network protector relay operation is studied as a function of increasing photovoltaic (PV) penetration within the secondary grid …

Coordinated Voltage And Reactive Power Control Of Power Distribution Systems With Distributed Generation, Esa A. Paaso

Theses and Dissertations--Electrical and Computer Engineering

Distribution system voltage and VAR control (VVC) is a technique that combines conservation voltage reduction and reactive power compensation to operate a distribution system at its optimal conditions. Coordinated VVC can provide major economic benefits for distribution utilities. Incorporating distributed generation (DG) to VVC can improve the system efficiency and reliability. The first part of this dissertation introduces a direct optimization formulation for VVC with DG. The control is formulated as a mixed integer non-linear programming (MINLP) problem. The formulation is based on a three-phase power flow with accurate component models. The VVC problem is solved with a state of …