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This paper proposes an efficient ramp rate control scheme for capacity firming of an integrated Photovoltaic (PV) power system with battery energy storage. This scheme addresses one of the main limitations of PV systems, namely intermittency, making available energy to be non-dispatchable to the grid and cannot be forecasted on a day ahead basis. The paper also proposes a novel state of charge controller...
This paper presents the modeling and simulation of isolated wind diesel hybrid system (WDHS) consisting a wind turbine generator (WTG) along with a diesel generator (DG), Ni- Cd battery base energy storage source (BESS) and a dump load (DL) provides the supply to consumer load. WTG and BESS are used in the system to minimize fuel consumption, but this makes the system more complex. The consumer load...
Electric vehicles are considered as better solutions for green technology in the field of transportation due to their user and eco-friendly interface. Generally speaking the hybrid vehicle system, they are prone to multiple errors regarding the speed performance and an intelligent monitoring layer can ensure smooth operation and inform any maintenance issues. In this work we present an interface which...
The present trends in the aircraft industry is a shift towards a “More Electric” architecture, in which electrical power drives aircraft flight surfaces. With the increase in electrical power requirement, a high energy density battery energy storage system (BESS) is required in a More Electric Aircraft (MEA). This paper describes the design and operation of a 50 kW, 6.4 kWh Lithium ion BESS in detail,...
Competition in the aircraft industry market and global warming has driven the industry to think along economic and environmental lines. This has resulted in the emergence of More Electric Aircraft (MEA). A new DC standards for power distribution has been obtained with 270 V DC on board of MEA. Because of its high electric power demand MEA requires high energy density batteries and DC-DC converter...
In drive system of an Electric Vehicle (EV) power train, the battery and power converters are most important parts. In this paper a noval drive system is proposed for Electric Vehicle(EV) power train. Here we used a real time electric circuit based battery model as a power source of drive system unlike conventional ideal battery source. To convert fixed DC to three phase AC, a new topology of DC to...
Electricity is the base of development of a country and the need of electricity is increasing every moment. Developing countries like Bangladesh are facing severe energy crisis. Most of the power generation in Bangladesh is based on natural gas and fossil fuel which makes it hard to meet the increasing demand. As a tropical country, Bangladesh is blessed with renewable energy resources all over the...
This letter presents a new synthetic aperture radar (SAR) configuration that has been named cooperative multimonostatic SAR (CMM SAR). CMM SAR consists of a battery of monostatic SARs whose flight paths and frequency bands are coordinated in such a way that the final system produces high-resolution images. The point spread function (PSF) of CMM SAR has been used to quantify the gain in resolution...
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