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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Indonesian Journal of Electrical Engineering and Computer Science
Nitai Pal
Indian School of Mines
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Journal : Indonesian Journal of Electrical Engineering and Computer Science

 1 
LEDs Lighting Arrangements for Underground Mines Pratap Singh Yadav; Nitai Pal; Dheeraj Kumar; S. Vamsi Krishna
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 1: July 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

Lighting condition is very critical to mine workers, since they completely depend upon visual indication. Effective lighting systems provide better visibility and contribute to improved safety, production, productivity and efficiency of equipments. This paper intended to present a simulation study of configurations for the uniform illumination over a rectangular-target surface (underground mine 26X4.8 m gallery) using power LEDs. This cost effective lighting involved different sets of arrangements of LEDs that provide a close uniform light level for given optimized parameters. The optimized values of the variables in the arrangements were obtained by the using of MATLAB functions for optimization toolbox. DOI: http://dx.doi.org/10.11591/telkomnika.v15i1.7969 
Modeling and Simulation of Off-Grid Power Generation System Using Photovoltaic Himanshu Sharma; Nitai Pal; Pradip Kumar Sadhu
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 3: March 2015
Publisher : Institute of Advanced Engineering and Science

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Off-Grid is a part of the power distribution system which uses renewable energy based of power generation connected to the grid system. Multi energy power generation is composed of renewable energy systems including photovoltaic, wind turbine, energy storage and local loads. Test bed of an Off-Grid system is the technique to ensure stable operation during faults and various network disturbances in grid and islanding connected mode. In this paper the Off-Grid using renewable energy consist of a 3 kW photovoltaic, with 30 pieces of 12V, DC/DC converter, charge controller for battery, single phase DC/AC inverter and  various loads (resistor, capacitor, inductor) are develop. The AC buses 240V voltage include with isolation transformer to simulate the grid voltage level by Matlab/Simulink software. DOI: http://dx.doi.org/10.11591/telkomnika.v13i3.7061 
A New Approach of Localized Human Blood Reheating Using High Frequency Converter Pradip Kumar Sadhu; Palash Pal; Animesh Halder; Ankur Ganguly; Nitai Pal; Prabir Bhowmik
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 1: April 2015
Publisher : Institute of Advanced Engineering and Science

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The paper presents the human blood reheating technique for medical purposes with high frequency induction heating system. The temperature is analyzed to determine the heat distribution in different positions of human blood within the non metallic tank. In the proposed induction heating system, the inductive applicator is a primary working coil of the modified half bridge high frequency inverter and the RBCs within the blood will be working as secondary element. The simulation shows that the heating area can be effectively controlled by using the cylindrical shield with adjustable space. However, the efficiency of heat can be increased by varying the radius size of cylinder thereby more flux appears and more eddy emf is induced. Hence the resulting eddy current increases the refrigerated blood of range 1ºC- 6ºC to 37ºC. DOI: http://dx.doi.org/10.11591/telkomnika.v14i1.7262
Single Axis Automatic Solar Tracking System Using Microcontroller Soumya Das; Pradip Sadhu; Nitai Pal; Suprotim Mukherjee
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 12: December 2014
Publisher : Institute of Advanced Engineering and Science

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Solar power generation had been employed as a renewable energy for years ago. Residents that uses solar power as their alternative power supply will bring benefits to them. The main objective of this paper is to develop a microcontroller-based solar panel tracking system which will keep the solar panels aligned with the Sun in order to maximize in harvesting solar power. When the intensity of light is decreasing, this system automatically changes its direction to get maximum intensity of light.Light dependent photo  resistors are used as the sensors of the solar tracker. For rotating the appropriate position of the panel, a steper motor is used. This design is covered for a single axis and is designed for residential use. Finally, the project is able to track and follow the Sun intensity in order to get maximum power at the output regardless motor speed. http://dx.doi.org/10.11591/telkomnika.v12i12.6742 
Co-Authors Animesh Halder Ankur Ganguly Avijit Chakraborty Debabrata Roy Dheeraj Kumar Gourav Majumdar Himanshu Sharma Kallol Bhaumik Palash Pal Prabir Bhowmik Pradip Kumar Sadhu Pradip Sadhu Pratap Singh Yadav S. Vamsi Krishna Saswata Mukherjee Soumya Das Soumya Das Sourish Sanyal Suprotim Mukherjee Titas Kumar Nag