1. Unit Commitment in Presence of Wind Power Plants and Energy Storage

Reza Khanzadeh; Mahmoud Reza Haghifam

Volume 02, Issue 4 , Autumn 2013, Pages 187-193

  As renewable energy increasingly penetrates into power grid systems, new challenges arise for system operators to keep the systems reliable under uncertain circumstances, while ensuring high utilization of renewable energy. This paper presents unit commitment (UC) which takes into account the volatility ...  Read More

2. Maximum Power Point Tracking of Wind Energy Conversion System using Fuzzy- Cuckoo Optimization Algorithm Strategy

Mohammad Sarvi; Mohammad Parpaei

Volume 02, Issue 4 , Autumn 2013, Pages 195-200

  Nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. Energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. One of the most important renewable sources is the ...  Read More

3. Solving the Economic Load Dispatch Problem Considering Units with Different Fuels Using Evolutionary Algorithms

Mostafa Ramzanpour; Hamdi Abdi

Volume 02, Issue 4 , Autumn 2013, Pages 201-208

  Nowadays, economic load dispatch between generation units with least cost involved is one of the most important issues in utilizing power systems. In this paper, a new method i.e. Water Cycle Algorithm (WCA) which is similar to other intelligent algorithm and is based on swarm, is employed in order to ...  Read More

4. Implementation of ROCOPS Method for Anti-Islanding Protection of Wind Turbine

Behrooz Sobhani; Mehdi Nooshyar

Volume 02, Issue 4 , Autumn 2013, Pages 209-216

  In recent years, based on the growing importance of clean energy in comparison with conventional energy production from fossil fuels, DG systems are gradually becoming more popular all over the world. These resources solve many problem of system. However, these resources create some other problems too. ...  Read More

5. Efficient Parameters Selection for CNTFET Modelling Using Artificial Neural Networks

Roya Abdollahzadeh Badelbo; Fardad Farokhi; Alireza Kashaniniya

Volume 02, Issue 4 , Autumn 2013, Pages 217-222

  In this article different types of artificial neural networks (ANN) were used for CNTFET (carbon nanotube transistors) simulation. CNTFET is one of the most likely alternatives to silicon transistors due to its excellent electronic properties. In determining the accurate output drain current of CNTFET, ...  Read More

6. Optimizing the Event-based Method of Localization in Wireless Sensor Networks

Mohsen Jahanshahi; Abdolvahed Moradpour; Poorya Kiani

Volume 02, Issue 4 , Autumn 2013, Pages 223-230

  A Wireless Sensor Network (WSN) is a wireless decentralized structure network consists of many nodes. Nodes can be fixed or mobile. WSN applications typically observe some physical phenomenon through sampling of the environment so determine the location of events is an important issue in WSN. Wireless ...  Read More

7. Power System Reliability Analysis with Emergency Demand Response Program

Rahmat Aazami; Nosratallah Mohammadbeigi; Hadi Mirzaei; Ali Mansouri; Ehsan Mohamadian

Volume 02, Issue 4 , Autumn 2013, Pages 231-236

  With the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric ...  Read More

8. Design of Maximum Power Point Tracking in Solar Array Systems Using Fuzzy Controllers

Marjaneh Hashemi; Shahram Javadi

Volume 02, Issue 4 , Autumn 2013, Pages 237-244

  In recent year's renewable energy sources have become a useful alternative for the power generation. The power of photovoltaic is nonlinear function of its voltage and current. It is necessary to maintain the operation point of photovoltaic in order to get the maximum power point (MPP) in various solar ...  Read More