Browsing by Author "Sarkar, Md Rasel"

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    Assortment of Dispatch Strategies with the Optimization of an Islanded Hybrid Microgrid
    (Research and Development Wing, MIST, 2022-06) Shezan, Sk. A.; Ishraque, Md. Fatin; Paul, Liton Chandra; Sarkar, Md Rasel; Masud Rana, Md; Uddin, Moslem; Hossain, Mohammad Belayet; Asaduzzaman Shobug, Md; Hossain, Md. Imran
    In this work, the optimization of an off-grid micro-hybrid system is evaluated. This is conducted with the estimation of the proper sizing of each element and the steady-state voltage, frequency, and power responses of the microgrid. Kangaroo Island in South Australia is considered to be the test case location and the grid incorporates solar PV (photo-voltaic), diesel generator, battery storage, and wind turbine. Optimal sizing of the studied microgrid is carried out for four various power dispatch techniques: (i) cycle charging (CC), (ii) generator order (GO), (iii) load following (LF), and (iv) combined dispatch (CD). The proposed off-grid micro-hybrid is optimized for three performance indices; minimal Levelized Cost of Energy (LCOE), CO2 emission, and Net Present Cost (NPC). Using iHOGA (improved hybrid optimization by genetic algorithm), microgrid optimization software, all the above-mentioned dispatch strategies have been implemented and following this, MATLAB/Simulink platform has been used for the steady-state studies. The results show that the LF strategy is the utmost optimum dispatch technique in terms of the studied performance indices i.e. considering the optimal size and voltage and frequency responses. The results obtained from these studies provide a pathway for the estimation of the resource-generation-load combination for the islanded off-grid microgrid for its optimal operation with the various dispatch strategies.
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    Determining the optimum tilt angle and orientation for photovoltaic (PV) systems in Bangladesh
    (IEEE, 2018-07-19) Mamun, M. A. A.; Sarkar, Md Rasel; Parvez, M.; Nahar, Mst. Jesmin; Rana, Md. Sohel
    Tilt angle of a PV module is one of the most significant parameters for receiving maximum solar irradiation falling on the PV systems. This research article investigates the numerical aspects of selecting the optimal tilt angle for the PV modules used in Bangladesh and makes recommendations on how the collected power output of the module can be increased by altering the tilt angle. The results show that the optimum tilt angle of Cox's Bazzar Chittagong, Dhaka, Jessore, Ishurdi, Bogra, Sylhet and Rangpur is 26°, 25°, 30°, 25°, 27°, 27°, 28° and 29°, respectively. The annual energy production of Cox's Bazar and Sylhet has shown the highest and the lowest energy production, the month was March and July, respectively. The characteristics curves obtained by the simulation with the data provided by using simulated software SAM (System Advisor Model). Finally, the article measures the optimum tilt for PV applications in Bangladesh on Monthly and yearly bases.