نتایج جستجو برای: distributed generator
تعداد نتایج: 306718 فیلتر نتایج به سال:
-This paper examines the impact of the network modification produced by the replacement of an existing conventional generator with a high voltage directly connected generator on the adequacy of existing circuit breakers distributed throughout a high voltage transmission network. The significance of generator design changes is assessed by comparing the critical fault types producing maximal circ...
In recent years, microturbines as one the distributed generation sources have widly used. This paper investigates the control structure of the microturbine and analyzes its performance in grid-connected mode. In this way, first, the mechanical model of the microturbine is presented. Then, the electrical structure of the microturbine, consisting of permanent magnet synchronous generator (PMSG) ...
Abstract: In this paper, the control scheme of a distributed high-speed generator system with a total amount of 12 generators and nominal generator speed of 7000 min−1 is studied. Specifically, a fault tolerant control (FTC) scheme is proposed to keep the turbine in operation in the presence of up to four simultaneous generator faults. The proposed controller structure consists of two layers: T...
The changes in the distributed database environment during its lifetime necessitate a redesign of the distributed databases so as to keep the performance of the applications/transactions from degrading. Till now most of the work in distributed database design dealt with developing better fragmentation and allocation algorithms. This paper introduces an hitherto unexplored step in distributed da...
We consider the problem of designing an efficient and robust distributed random number generator for peer-to-peer systems that is easy to implement and works even if all communication channels are public. A robust random number generator is crucial for avoiding adversarial join-leave attacks on peer-to-peer overlay networks. We show that our new generator together with a light-weight rule recen...
As one of the most promising Distributed Generation (DG) sources, wind power technology has been widely developed in recent years. Doubly fed induction generator (DFIG) is currently employed as one of the most common topologies for wind turbine generators (WTGs). This generator operates as a synchronous/asynchronous hybrid generators. Therefore, it is necessary to power engineers find understan...
As one of the most promising Distributed Generation (DG) sources, wind power technology has been widely developed in recent years. Doubly fed induction generator (DFIG) is currently employed as one of the most common topologies for wind turbine generators (WTGs). This generator operates as a synchronous/asynchronous hybrid generators. Therefore, it is necessary to power engineers find understan...
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