نتایج جستجو برای: hybrid generation systems
تعداد نتایج: 1639865 فیلتر نتایج به سال:
Microgrid concept acts as a solution to integrate large amounts of micro generation without disrupting the operation of utility grid. Power generation from renewable energy sources like wind, solar, fuel cells, microturbines etc will give significant momentum in near future. Thus, hybrid AC/DC microgrid will be the best solution to reduce multiple reverse conversions (dc-ac-dc or ac-dc-ac) in a...
We propose a novel test coverage measure for continuous and hybrid systems, which is defined using the star discrepancy notion. We also propose a test generation method guided by this coverage measure. This method was implemented in a prototype tool that can handle high dimensional systems (up to 100 dimensions).
Effects of different dentin bonding agents on nanoleakage and hybrid layer thickness Dr. M. Ghavamnasiri* - Dr. F. Maleknejad* - Dr. H. Ameri** - Dr. MJ. Moghadas** *- Associate Professor of Operative Dentistry Dept. – Faculty of Dentistry – Mashhad University of Medical Sciences. **- Assistant Professor of Operative Dentistry Dept. – Faculty of Dentistry – Mashhad University of Medical Science...
This paper addresses the design procedure of a fuzzy logic-based adaptive approach for DFIGs to enhance automatic generation control (AGC) capabilities and provide better dynamic responses in multi-area power systems. In doing so, a proportional-integral (PI) controller is employed in DFIG structure to control the governor speed of wind turbine. At the first stage, the adjustable parameters of ...
Distributed storage systems are mainly justified due to their ability to store data reliably over some unreliable nodes such that the system can have long term durability. Recently, regenerating codes are proposed to make a balance between the repair bandwidth and the storage capacity per node. This is achieved through using the notion of network coding approach. In this paper, a new variation ...
In this paper we propose an approach for testing time-domain properties of analog and mixed-signal circuits. The approach is based on an adaptation of a recently developed test generation technique for hybrid systems and a new concept of coverage for such systems. The approach is illustrated by its application to some benchmark circuits.
An extension to action systems is presented facilitating the modeling of continuous behavior in the discrete domain. The original action system formalism has been developed by Back et al. in order to describe parallel and distributed computations of discrete systems, i.e. systems with discrete state space and discrete control. In order to cope with hybrid systems, i.e. systems with continuous e...
This paper concentrates on the control of hybrid fuelcell (FC)/energystorage distributed generation (DG) systems under voltage sag in distribution systems. The proposed control strategy makes hybrid DG system work properly when a voltage disturbance occurs in distribution system, and it stays connected to the main grid. This controller determines the supercapacitor power that should be generate...
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