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Detection of islanding condition in medium voltage network with distributed generations penetration: A review on various techniques

With the increased growth rate of the population their demand for electrical power usage in terms of basic necessities to keep their successful lifestyle also increases. To fulfill this requirement distributed generation (DG) play a vital role in the generation of electrical power. The distribution network which usually consist of the medium as well as low voltage networks on the basis of research analysis which mainly focuses on medium voltage network. The main fundamental objectives in this research work are to support the increased load growth, enhancement of reliable power operation, the better quality of power, network prevention from contingencies and line losses in the power system. One of the main issues in this research work is islanding detection, a situation in which a portion of the network is detached from the central main network yet to be energized by the distributed generation. To detect such situation under different load conditions a case study is done in which different techniques are commonly used that uses different relays which are under and over for voltage, current, frequency, vector surge and rate of change frequency (ROCOF). To analyze the performance of these techniques for the non-detective zone (NDZ) and time of operation MATLAB / Simulink software's are used to perform the simulation.

Published by: Adnan Khan, Muhammad Iftikhar Khan, Kashif Mehmood

Author: Adnan Khan

Paper ID: V5I6-1269

Paper Status: published

Published: December 19, 2019

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Case Study

Study of social media and their impact on performance of college staff and student

This research examined the impact of social media on Staff and College students, their mental health and academic performance and reducing social media addiction from youth. For this we recommend attachment towards the Library, reading books, actively participating in sport, cultural activity, meditation, and Yoga. In this study we used the Survey method. We collected different type of information from College Staff and final Year students and we found that most of the candidates spent their valuable time with social media. This affected their academic performance, mental health and relation with community. Due to loneliness, physiological effects are observed and frustration that leads to wrong habits. Candidates give unnecessary importance to social media and overall negative impacts are visible. In this research, we have classified these candidates and the new experiment was done on them. We obtained good results

Published by: Rohidas D. Gopale

Author: Rohidas D. Gopale

Paper ID: V5I6-1262

Paper Status: published

Published: December 19, 2019

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Research Paper

The study of English language proficiency among Malay form 2 students

This study was conducted to identify factors that contribute to poor performance in English subjects by students of Form 2 of Sekolah Menengah Kebangsaan Raja Abdullah in Kepong. This study involved 30 respondents consisting of male and female Malay Form 2 students, conducted in a quantitative manner. The researcher obtained information through the distribution of questionnaires to randomly selected respondents and from an analysis of examination scores. The questionnaire is divided into two parts; Part A and Part B. Part A is related to the respondents' background, while Part B involves several questions that are related to this research. Base on the students' examination score, respondents were students who scored 40 and below in the exam. Findings showed there are several factors why Form 2 Malay students of SMK Raja Abdullah do not master English subjects; reasons being socio-culture, environment, family, peers and themselves. With this study, it is hoped that all parties involved can play a part to contribute to overcoming this issue

Published by: Elmy Ezayane Emary, Parilah Md Shah

Author: Elmy Ezayane Emary

Paper ID: V5I6-1268

Paper Status: published

Published: December 19, 2019

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Review Paper

Networking tools for cost optimization

Cost and time are the main aspects to be considered in every project. The main objective in the construction field is to complete every project on time, within budget and quality. Time and cost are related to each other and it is very important in achieving project objectives. Cost optimization is an important issue in construction project management. Loss of time always increases cost and saving of time can provide profit to all the parties in project. We will be studying different methods of time and cost optimization with the objective of minimizing the project cost and duration an analysis is performed to identify the relationship between time and cost. the availability of expert is the main problem faced by contractor in optimizing the cost. The duration of the project and changing environment are the least problems faced by the contractor in optimizing the cost.

Published by: Akshay Lalaso Mohite, Arihant Ajit Adake, Amruta Ajit Lakade

Author: Akshay Lalaso Mohite

Paper ID: V5I6-1273

Paper Status: published

Published: December 19, 2019

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Research Paper

Combining laboratory-based learning with problem-based learning in undergraduate PLC course at Technical Colleges

The necessity of accomplished engineers and technicians, who are competent in handling the problems of the emerging industry, brings the conventional teaching approaches into question. Engineering technology students should be skilled to confront the technical challenges they will come across in their professional careers by using innovative teaching methods based on projects and real industrial applications. In this study, Teaching-Learning Environments for PLC Program were enhanced, as it is taught to the Electrical and Electronic department students in the Technical Colleges. The emphasis is on the content of a course unit, particularly the choice of the learning methods and its effect on the students. This complete PLC program combines laboratory-based learning with a problem-based learning (PBL) approach. It is also aimed to develop the students' practical skills and meet the requirements of the labor market. Data collected from the labor market and discussed with the academic experts guided us to set our approach, develop the program and improve the students’ practical skills. Coming into practical, we have received a lot of positive feedback from students after carrying out a survey and before determining its educational effectiveness.

Published by: Ahmed Sarhan, Dr. Mohamed Gouda, Dr. Ashraf Fathy Mohamed Ali

Author: Ahmed Sarhan

Paper ID: V5I6-1254

Paper Status: published

Published: December 19, 2019

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Research Paper

Work absenteeism among health assistants in secondary care hospitals, Batticaloa district, Sri Lanka

Background: Absenteeism in the health sector is frequently referred to as the loss of scheduled time due to unscheduled work absence which has remained a long-standing challenge worldwide. Approval for the leave should be obtained from Heads of the institution before the leave with acting duty. However, being absent from work without prior information has been a major issue among health assistants in hospitals. This study was aimed at analyzing the absenteeism among health assistants in Base Hospitals in the Batticaloa district. Materials and methods: Descriptive cross-sectional study was carried out in all four Base Hospitals (BHs) in Batticaloa District. Data collection was carried out in May 2019 by self-administered questionnaire. Results: One hundred and fourteen (49.1%) out of 232 HA had at least one spell of absence in the year 2018. Among the four BHs in the Batticaloa district, BH Eravur showed the highest and BH Kaluwanchikudy showed the lowest absentee percentage with statistical significance (P<0.01). The overall absenteeism rate was 2.3% with BH Eravur having the highest (4.25%) and BH Kaluwanchikudy having the lowest (0.95%) absenteeism rate. Respondents whose jobs were stressful were more likely to be absent from work compared with their counterparts (OR = 4.13). Nearly 45% of absentees had stated that the reason for absence was sickness. Conclusion: This study concluded that findings showed that up to half of the study subjects experienced at least one spell of absence. Also, it is significantly different between individual institutions. Even though overall absenteeism rate was low it differs significantly among hospitals.

Published by: Mayuran Nagalingam, Thayahlini Sasikumar

Author: Mayuran Nagalingam

Paper ID: V5I6-1260

Paper Status: published

Published: December 19, 2019

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