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Power grid infrastructures have been exposed to several terrorists and cyber attacks from different perspectives and have resulted in critical system failures. Among different attack strategies, simultaneous attack is feasible for the attacker if enough resources are available at the moment. In this paper, vulnerability analysis for simultaneous attack is investigated, using a modified cascading failure...
Recent advancement in the field of electrical technology and cyber system (mainly based on the internet) has brought the key towards accepting and challenging all the issues regarding load management, demand side management, energy management, and efficient allocation of energy, transparency and ease of use of data management and security. This research paper focuses on a Cyber Physical Power System...
A good number of people are living at rural side in Bangladesh. They have right to get proper electricity, like any other basic human needs. Bangladesh despite having the enormous energy resources but it's facing acute shortage of Electricity. Scientists and engineers are thinking over day and night about this issue; try to provide possible solution to overcome this issue. In this paper some important...
Battery/cell has some important parameters which make it unique to operate. PKL Electricity Cell is a voltaic/quasi galvanic cell, which has also some important parameters to make it unique from traditional cell/battery. In this paper, some important parameters e.g., Discharge rates, Pulse performance etc. of PKL Electricity Cell are analysed in experimentally. Since resources of hydrocarbon of Bangladesh...
The resource of radio frequency spectrum is not efficiently managed, and the increased dependence on wireless devices in the modern era just adds to the problem. The concept of cognitive radio aims to overcome the problem of limited radio frequency spectrum by helping to achieve improved spectral management, utilization, and efficiency. One of the ways to improve the efficiency and utilization of...
Soliton in fiber optic is a good solution to achieve the benefits of optical fiber without many of its limitations like the use of more repeaters or amplifiers in case of long haul communication. This work considered three particular long haul systems (Three segments of SEA-ME-WE 4 sub marine cable Networks) and shown the difference between the signal response in case of fiber optics with Gaussian...
This paper describes the fabrication of digitalized spin coating system to deposit thin films on glass substrate. The digitalized spin coating system has been integrated with an automatic control arrangement, where a microcontroller unit, a character display, a matrix keypad and a dc motor has been employed. A dc motor has been used to spin the substrate. It is needed a controlling circuit to maintain...
In this work, ZnO thin films were deposited on glass substrate using automatic sol-gel process, rather than conventional sol-gel process, and the optical properties of the prepared films were also measured. Using zinc acetate, ethanol, diethanolamine and de-ionized water, ZnO films were prepared by varying the number of coatings (2–5 dipping iterations) for zinc acetate concentrations of 1.0 mol/L...
As wind turbine output is proportional to the cube of wind speed, the wind turbine generator output fluctuates due to random variations of wind speed. Hence, if the power capacity of wind power generator becomes large, wind power generator output can have an influence on the power system frequency. Therefore, this study investigates the influence of the ratio of wind capacity to the power system capacity,...
Approaching to the Smartest technological use the whole world is being aware of using the smartest technology of generating and distributing power throughout the country in a simple but effective system. Smart Grid technology is providing with this unique feature. A lot of features make it possible to differentiate the Smart Grid from the existing traditional grid in various manners. This paper basically...
As the population is increasing of the world, the demand for the energy or power is also increasing. Enormous efforts and projects are being experimented for finding the right choice of energy source to use. Analyzing the recent condition of the power and energy sources we should depend on the alternative energy sources to meet the energy demand of the future generations. Solar, Wind, Biomass etc...
Recent days, technology searches for the betterment of the future generations. In a simple way they search for the easiest and cheapest way to electrify the whole world in a environment friendly way. Environment friendliness is obviously a great issue where day by day the world environment is getting polluted due to the toxics of the industry. In this case biomass energy can be a great solution to...
In recent days, focuses on renewable energy sources has become very much popular. Due to limitations of reservation of conventional energy sources future generations have to search for alternative energy sources. Solar energy is one of the convenient renewable energy sources as the availability of the solar radiation is limitless. This research study aims to describe the design, fabrication and performance...
The aim of this work is to control the length of the substrate, which is covered by ZnO thin films by using a cost effective automatic sol-gel process. In conventional sol-gel process dipping and withdrawing is done manually, which can create vibration in the substrate while withdrawing/dipping. As a result the interference fringes will not remain constant and films thickness will be non-uniform....
Solar Energy is the most convenient type of energy for the world as the reservation of the source of the energy is unlimited. Solar Photovoltaic cell is one of the ways to extract solar energy from the solar radiation and and convert it to the electrical energy by various means. Here optimum angle is one of the most important factor as the optimal angle determines the maximum amount of solar radiation...
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