Diwakar Bista

Diwakar Bista
Kathmandu University · Department of Electrical and Electronics Engineering

Doctor of Engineering

About

19
Publications
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235
Citations

Publications

Publications (19)
Conference Paper
Daylight attributes to the aggregate of direct and indirect lights originating from the sun during the daytime. Integrating daylight with electrical lighting can serve as a means to lessen electricity costs for buildings. Geographic location and weather conditions facilitate most of the areas of Nepal to receive on average 12 hours of daylight and...
Conference Paper
Nepal houses several architecturally and culturally rich heritage sites and monuments. These sites are recognised globally and are of immense importance to the local and worldwide audience. The majority were constructed during the 15th to 18th century and were designed to incorporate oil or fat-based wick lamps for lighting. The intervention of mod...
Conference Paper
Lightning-related damage to overhead medium-voltage distribution networks is one of the prime concerns in power systems. This paper discusses distribution network modeling techniques required for lightning studies. The presented models of lightning current, line conductors, line insulators, distribution poles, grounding, distribution transformers,...
Article
Full-text available
Nepal houses many traditional and cultural sites rich in historical cultural diversity. These sites are also economically important to the nation. These monuments show the culture and the living beliefs of the communities; hence, people from all over the world are attracted to such place to observe the beauty and to feel the spirit and the conserva...
Conference Paper
Full-text available
Lighting accounts for a significant portion of building energy consumption globally. These portions can be reduced by the usage of different control strategies like occupancy-based, daylight integration, connected lighting system along with time of day control, DALI, DMX. Each control strategies have their own unique set of parameters that affect t...
Article
Full-text available
Solar Photovoltaic System (SPV) is one of the growing green energy sources having immense penetration in the national grid as well as the off-grid around the globe. Regardless of different solar insolation level at various regions of the world, SPV performance is also affected by several factors: conversion efficiency of PV cell technology, ambient...
Article
Full-text available
Smart manufacturing is the technology utilizing the interconnected machines and tools for improving manufacturing performance and optimizing the energy and workforce required by the implementation of big data processing, artificial intelligence and advanced robotics technology and interconnectivity of them. This paper defines and discusses the smar...
Article
Full-text available
Supervisory Control and Data Acquisition system facilitates the monitoring and control of industrial process from the designated control station. The cost investment for implementing the SCADA system is expensive and is not in approach of small and medium scale industries these days. Developing the customized SCADA system helps to reduce the cost i...
Article
Full-text available
With the increasing demand for renewable energy, solar photovoltaic technology is being a topic of concern. However, due to the accumulation of dust and dirt over the panel surface, the performance of the photovoltaic system degrades to a noticeable number. To address this issue: a fully automated, cost worthy and efficient system needs to be inven...
Article
Full-text available
Hybrid Power System (HPS) is an energy system with combination of different regenerative energy sources like Solar, Wind, Geo-Thermal, Biomass and several others to achieve energy sustainability. This paper investigates the feasibility of grid connected and stand-alone hybrid energy system to meet electric load requirement of a community or organiz...
Conference Paper
Full-text available
The industrial process is monitored and controlled by the Supervisory Control and Data Acquisition System that are installed throughout the plant. Currently, the commercially available SCADA systems are not in the approach of the small industries due to the higher installation cost and are not benefited enough by this technology. This research inve...
Article
Lighting is a thoughtful application of lighting source to get visibility and accomplish a specific task during the darkness by providing desirable illumination. In present context, there are numerous light sources and lighting technologies. But, with the advancement of technologies, traditional lighting techniques is being gradually replaced by ef...
Article
Lighting is a thoughtful application of lighting source to get visibility and accomplish a specific task during the darkness by providing desirable illumination. In present context, there are numerous light sources and lighting technologies. But, with the advancement of technologies, traditional lighting technique is being gradually replaced by eff...
Article
Full-text available
Distributed Energy Resources (DERs) are being integrated into the power market by customers rather than large scale energy suppliers, thereby slowly transforming the centralized, unidirectional market to a decentralized, bidirectional market and transitioning customers into prosumers. Various system architectures are used in the real field to coord...
Article
Full-text available
The issue of unintentional islanding in grid interconnection still remains a challenge in grid-connected, Distributed Generation System (DGS). This study discusses the general overview of popular islanding detection methods. Because of the various Distributed Generation (DG) types, their sizes connected to the distribution networks, and, due to the...
Conference Paper
The emerging topic under investigation is the use of Internet of Things (IoT) which has a wide scope of applications, out of which some of the major applications like real-time monitoring, remote sensing, situational awareness and intelligence in electric power systems would be illustrated in this article. In addition, this study is focused on the...
Article
Full-text available
Dermatomyositis (DM) is an autoimmune disease that mainly affects the skin, muscle, and lung. The pathogenesis of skin inflammation in DM is not well understood. We present a 40-year-old male who presented with four months history of generalized skin lesion, pain and weakness. He had elevated transaminases with detectable muscle weakness. This case...
Article
Full-text available
Maximum Power Point Tracking (MPPT) is widely used control technique to extract maximum power available from the solar cell of photovoltaic (PV) module. Since the solar cells have non-linear i-v characteristics. The efficiency of PV module is very low and power output depends on solar insolation level and ambient temperature, so maximization of pow...
Article
Full-text available
Two in-door solid-state lamps produced in Nepal for village illumination programs were investigated. The lamps, which are based on white phosphor-conversion LEDs and have different driving circuits (resistive ballast or switching converter), where characterized by measuring the input current, optical output, radiation pattern and chromaticity chara...

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