تصفح حسب المؤلف "Ashraf, Imtiaz"
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A novel AI approach for optimal deployment of EV fast charging station and reliability analysis with solar based DGs in distribution network
Ahmad, Fareed; Ashraf, Imtiaz; Iqbal, Atif; Marzband, Mousa; Khan, Irfan ( Elsevier , 2022 , Article)The transportation sector is one of the most prevalent fossil fuel users worldwide. Therefore, to mitigate the impacts of carbon-dioxide emissions and reduce the use of non-environmentally friendly traditional energy ... -
Cascaded Buck-Boost Derived Interlink Multi-port Converter for simultaneous operation of isolated and non-isolated Loads in a DC Nanogrid
Samiullah, Md; Islam, Shirazul; Iqbal, Atif; Ashraf, Imtiaz ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)The primary objective of the Multi-Port Converter (MPC) is to offer a single-stage power conversion that integrates energy sources and loads in the most efficient manner while minimizing the power density and cost. The ... -
Enhanced Energy Extraction from a Solar Panel
Tabish, Shahbaz; Iqbal, Atif; Ashraf, Imtiaz; Rahman, Khaliqur ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Due the movement of the sun throughout the day, the insolation level incident on the fixed panel surface varies largely. The maximum level of insolation occurs only around noon. This leads to the panel to be under-utilised. ... -
Implementation and reliability analysis of a new transformerless high-gain DC-DC converter for renewable energy applications
Malick, Ifham H.; Zaid, Mohammad; Samiullah, Md.; Ashraf, Imtiaz; Iqbal, Atif; Sarwar, Adil... more authors ... less authors ( John Wiley and Sons Inc , 2022 , Article)In this paper, a new high-gain quadratic boost DC-DC converter is proposed for a DC microgrid. The converter has a voltage multiplier cell made up of switched inductors to obtain a high voltage at the output. It has a ... -
Improved power quality operation of symmetrical and asymmetrical multilevel inverter using invasive weed optimization technique
Ahmad, Salman; Iqbal, Atif; Ashraf, Imtiaz; Meraj, Mohammad ( Elsevier , 2022 , Article)Low switching frequency pulse width modulation (PWM) technique for modulation and control of multilevel inverter in medium voltage high power applications is preferred in order to reduce the switching losses. In this ... -
Novel re-configurable topologies of SLC based high gain DC-DC converters
Iqbal, Atif; Samiullah, Md; Ashraf, Imtiaz; Hitami, M. A.; Kabalci, Ersan ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Standalone renewable sources such as PV (Photovoltaic) and FC (Fuel cells) are often employed as input sources to supply high voltage DC buses of microgrids. Conventional DC-DC converter used as interlinking device would ... -
Optimal Location and Energy Management Strategy for EV Fast Charging Station with Integration of Renewable Energy Sources
Ahmad, Fareed; Ashraf, Imtiaz; Iqbal, Atif; Khan, Irfan; Marzband, Mousa ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)As climate change becomes a significant concern, the use of electric vehicles (EVs) has emerged as an effective remedy to the pollution caused by fossil-fuel transportation. To make the transportation sector carbon ... -
Optimal location of electric vehicle charging station and its impact on distribution network: A review
Ahmad, Fareed; Iqbal, Atif; Ashraf, Imtiaz; Marzband, Mousa; khan, Irfan ( Elsevier Ltd , 2022 , Article Review)At present, the limited existence of fossil fuels and the environmental issues over greenhouse gas emissions have been directly affected to the transition from conventional vehicles to electric vehicles (EVs). In fact, the ... -
Optimal Siting and Sizing Approach of Plug-in Electric Vehicle Fast Charging Station using a Novel Meta-heuristic Algorithm
Ahmad, Fareed; Iqbal, Atif; Ashraf, Imtiaz; Marzband, Mousa; Khan, Irfan ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)As climate change becomes a significant concern, fostering the use of electric vehicles (EVs) has emerged as an effective remedy to the pollution caused by fossil-fuel transportation. Placing charging stations with growing ... -
Placement of electric vehicle fast charging stations in distribution network considering power loss, land cost, and electric vehicle population
Ahmad, Fareed; Iqbal, Atif; Ashraf, Imtiaz; Marzband, Mousa; Khan, Irfan ( Taylor and Francis Ltd. , 2022 , Article)Recently, electric vehicles (EVs) gained tremendous attention from government agencies and the automotive industry due to lower CO2 emissions, low maintenance, and operating costs. However, due to increasing EV penetration, ... -
Placement of Electric Vehicle Fast Charging Stations using Grey Wolf Optimization in Electrical Distribution Network
Ahmad, Fareed; Iqbal, Atif; Ashraf, Imtiaz; Marzband, Mousa; Khan, Irfan ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Automotive industries and government organizations are paying close attention to electric vehicles (EVs) because of their lower CO2 emissions, cheap maintenance, and operating costs. As the number of EVs on the road grows, ... -
Placement of FCS Considering Power Loss, Land Cost, and EV Population
Ahmad, Fareed; Ashraf, Imtiaz; Iqbal, Atif ( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)Electric vehicles (EVs) have recently gotten a lot of attention from the government and the auto industry. This is because EVs produce less CO2 and cost less to run and maintain. However, as EV adoption rises, the pressure ...