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Overheating in the equipment and conductors can be primarily caused by harmonics in power systems. Decrease of harmonics is considered necessary, especially when capacitor banks exist. Using a detuned harmonic filter is a traditional solution. Current limiting reactors (CLR) can be an economical solution to damp harmonic pollution if installed in the optimal location. In this paper, power system studies,...
Wind power as a green and renewable source of energy is growing very fast. Governments and utilities around the world have encouraged over the last years the commissioning of wind farm projects — using wind as a clean power source. This led to the development of new standards and architectures to make wind farm data available and meet the requirements for wind farm monitoring. In this paper, we propose...
Microgrids are becoming increasingly popular with consumers. In the near future, many microgrids will be installed for consumers with widely varying energy needs. The most challenging of the requirements for these microgrids is finding a suitable protection scheme that is able to protect the microgrid in both grid-connected and islanded modes of operation. The purpose of this paper will be to provide...
State Governments across the globe have an ambitious plan to transform the existing and new cities into “SMART CITY” with very objective to make cities “Livable”, “Reliable”, “Safe”, and “Comfortable” for citizens. Smart Grid is an inherent and integral part of the Smart City Program. Smart Grid in Smart City ensures Reliable, Safe and Quality Power 24/7 to its citizens at reasonable rates. However...
The present paper aims to design a fuzzy FACTS controller called STATCOM for voltage regulation of Standalone wind energy conversion systems. The Wind energy conversion system consists of wind turbine drives a permanent magnet synchronous generator PMSG feeding static or dynamic loads. The FACTS Statcom controller is adapted and controlled using Fuzzy Logic approach. The Loading types of Wind Energy...
This paper brings out the necessity of real time simulators for studies on micro-grids and smart grids. Micro-grids and smart grids have many complex, multi-layered and sophisticated protection and control systems. Real time simulators are inevitable in testing and validating such protection and control algorithm as access to real test grids is limited and not always feasible. Three applications namely...
Changes in recent renewable energy-related grid codes may lead to introduction of thousands of remotely controllable inverters in the LV grid. To maintain their supply quality, the distribution system operator (DSO) would need to coordinate together with active end users to optimally operate and control their inverters. A generic ICT architecture and royalty free application are therefore required...
This report looks into the network challenges that can be observed in simulation of dutch distributuin grid. The analysis has been performed in two different consideration, first considering network as it is currently. Thus, report analyses the relative critical nodes and suggest testing plan for INCREASE Project. Second, four different types of DR programs has been applied to the network. Preliminary...
Demand Side Management (DSM), one of the most important aspects of the future smart distribution networks, allows consumers to positively participate in controlling energy usage and achieving generation-load balance with minimal cost. In this paper, three reliability evaluation scenarios of a distribution system using Monte Carlo simulation (MCS) will be discussed. In the first case, only the peak...
This paper presents a comprehensive study of the impact of smart charging load at an electric vehicle charging station (EVCS) in distribution system considering demand response. Objective functions from the perspective of the load dispatch center (LDC) and EVCS owner are considered for studies. A 69-bus distribution system with an EVCS at a specific bus, and smart load is considered for the studies...
Flexible Alternating Current Transmission Systems (FACTS) are extensively used recently for improvement of large interconnected power systems performance in smart grids. Unified Power Flow Controller (UPFC) is the most versatile FACTS device which achieves a full-control of all of the transmission system parameters. UPFC is used with state-of-the-art control algorithms to optimize the dynamic performance...
Nowadays, progressive grow in renewable energy sources such as (wind, solar energy) pursued distribution companies to update its code in order to achieve maximum power available and guarantee electrical reliability and quality. Egypt diversify many techniques to facilitate introducing new renewable energy technologies, such as, a new program to disseminate PV models into the grid through installing...
Critical infrastructure organizations depend on Industrial Control Systems (ICS) by using operational technologies developed for business systems in their daily processes. This has provided an increased opportunity for cyber attacks against the critical systems they operate. Attack sources can vary from those that are state-sponsored, terrorist, unaware or disgruntled employees, and many more. Most...
Utilities striving for Maintenance Excellence recognize that they can only reach this goal by continuing to mature their Strategic Asset Management Programs. They need to move beyond time-based preventive maintenance for their most critical assets. The Smart Grid introduces critical technologies which can help them make this move. Digital Substations, for example, are delivering vast amounts of raw...
The potential increase of the connected capacity of renewable energy sources in Saudi Arabia will open the doors for more investment in energy storage especially pumped storage hydro (PSH). New PSH, particularly in areas with increased wind and solar capacity, would significantly improve system reliability while reducing the need to construct new fossil-fueled generation. PSH is proving to be an established...
In recent years, there has been a rapid increase in the number of photovoltaic (PV) three phase inverter systems being to grid connected. Keeping the highly quality waveform and low harmonic distortion of the current waveform during abnormal condition is one of the most challenging. To achieve this target, a current control technique is carefully considered. This paper present a simple method to compensate...
These days the consumption of fossil fuel is increasing substantially and the major proportion of it is consumed by transportation sector. So, electrification of vehicles is one way to minimize their dependence on fossil fuels which also plays a significant role in reducing the greenhouse effect. However, vehicles transformation enhances the electric load which has a significant impact on current...
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