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Bangladesh is a developing country. Electricity shortage is the major obstacles for a developing nation. Currently, about 68% of the total population has access to electricity including public & private sectors. Electricity demand is increasing day by day. To overcome this situation, government has taken necessary steps. For instance, establishing various power plants which are nonrenewable; such...
"Conference proceedings front matter may contain various advertisements, welcome messages, committee or program information, and other miscellaneous conference information. This may in some cases also include the cover art, table of contents, copyright statements, title-page or half title-pages, blank pages, venue maps or other general information relating to the conference that was part of the...
In our country meeting the demand of electricity is a very big concern. The crisis of the electricity is mainly due to increasing of load, lack of proper maintenance and other factors. To worsen this situation further, our resources are limited as well. Moreover our electricity penetration in rural areas has not improved yet. The fact that only 10% of the rural households have electricity connection...
The hybrid micro-grid is developing because of providing reliable electricity from renewable energy sources. This paper introduces hybrid AC/DC micro-grids which will help to develop distribution generation system and the interconnection between distribution generation and customer. Here, a hybrid smart micro-grid system is designed in MATLAB (SIMULINK) with some renewable energy sources (wind, PV...
Energy crisis is becoming one of the major challenges in today's world due to increased energy demand and at the same time decreased energy resources. Energy from renewable sources can never be exhausted. They cause less emission and therefore stand out as a potentially viable source of clean and limitless energy. Residential Microgrid, which is a new concept, can operate as standalone or as a grid-connected...
This paper presents an economical expediency of grid connected hybrid (PV/Wind turbine) power system for rural area applications in the southern city of Bangladesh, Lobon Chora, Khulna. The analysis is carried out by investigating the potentials of wind and solar energy and collecting data from different sources. Hybrid Optimization Model for Electric Renewable (HOMER) software is used to analyze...
Main objective of this paper is to suggest an electricity generation system based on renewable energy sources to fulfill the electrical demand of remote villages of a developing country like Bangladesh. The suggested system is composed of photovoltaic array, fuel cell stack, electrolyzer and hydrogen storage tank. This system will replace the conventional method of storing energy by introducing hydrogen...
Organic Solar Cells (OSCs) represent a recent photovoltaic (PV) technology that uses organic semiconductor materials to convert sunlight into electric energy. OSCs have recently shown significant attention due to their technological advantages of flexibility, light weight, cost effective fabrication and significant improvement in the power conversion efficiency. But the efficiencies of OSCs are still...
A method of harvesting vibrational energy with a piezoelectric element using a step-down DC-DC converter suggested by previous references is investigated for application based circuits. Based on the experimental data the current found from the piezoelectric material was very low so a super capacitor was introduced to increase the output current and also to store the harvested piezoelectric energy...
In this paper the use of an arbitrary waveform generator to generate desired signals in real-time is illustrated by simulating an induction motor operation along with various starting techniques. An off-line digital simulation of an induction motor is carried out on MATLAB/SIMULINK. The resulting sample-data files pertaining to signals such as electromagnetic torque and rotor speed are used in the...
Energy consumption is an indicator of development of the universe. Modern world needs a huge amount of electrical power to meet up the current demand whereas the resources of conventional energy sources are diminishing steadily in response of vast consumption of energy. So, alternate sources of energy are required not only to fill up the large gap between demand and supply of electricity but also...
In many countries power is being generated from various biogas or other renewable resources. One of the very common sources of biogas is sewage sludge which is generally a threat to the environment. In Bangladesh this threat could be turned to a blessing by using the treated outcomes of sewage sludge into generating electricity. In Dhaka city everyday a large amount of sewage sludge is being produced,...
Implantable Medical Devices (IMDs) consist of miniature implantable antenna that is embodied inside and its bidirectional communication is monitored through external monitoring device. This paper presents an implantable miniaturized antenna working in the Medical Implant Communication Service (MICS) band and being carried out in human body phantom models representing implantation inside the arm which...
In recent years, non-invasive Wireless Capsule Endoscope (WCE) has been explored extensively for the diagnosis of GI tract diseases. However the application of WCE is limited due to capsule size, propagating efficiency of the antenna, reducing effects on the human body and the data rate of the telemetry system. In this paper a miniature Ultra-wideband (UWB) antenna is designed for WCE by exploiting...
Nowadays, heart failure of human being is a very common occurrence all over the world. Total Artificial Heart (TAH) is an outstanding achievement of biomedical engineering where the patient's natural heart is removed and replaced with two mechanical pumps that provide perfusion to the systemic and pulmonary circulations. This paper focuses on the effect of pump characteristic (H-Q) curves on the efficiency...
An in-body implantable miniaturized slot dipole rectangular patch antenna operating in the Industrial, Scientific, and Medical (ISM) band (2.4–2.4835 GHz) for biomedical applications is presented in this paper. Primary reason behind choosing ISM band is its flexibility towards larger bandwidth with smaller size of antenna. The main specialty of this antenna is its tiny dimension & bendability...
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