نتایج جستجو برای: synchronous generator sg
تعداد نتایج: 82963 فیلتر نتایج به سال:
This paper presents the application of radial basis neural networks to the development of a novel method for the condition monitoring and fault diagnosis of synchronous generators. In the proposed scheme, flux linkage analysis is used to reach a decision. Probabilistic neural network (PNN) and discrete wavelet transform (DWT) are used in design of fault diagnosis system. PNN as main part of thi...
In this paper performance analysis of Doubly Fed Induction Generator under abnormal condition is analysed. In recent years, this series compensated transmission system will produce unwanted effect of sub synchronous resonance. Super Conducting Magnetic Energy Storage (SMES) provides an efficient damping for sub synchronous resonance that will enhance power system stability in addition to real a...
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) ...
In a hybrid energy system consisting of renewable sources of energy, there should be some storage facility or backup generation to maintain continuity of supply to the load when renewable source alone is not sufficient. The objective of this paper is to present one of such generating system that is capable of acting as a backup generator. This paper presents the modeling and simulation of a mic...
This work introduces a novel methodology that eases the synchronous to asynchronous conversion of existing digital circuits. Synchronous singlephased circuits may have its performance improved with the use of a variable rate clock generator if the conversion is done on some key circuits. This methodology is used to improve the performance of a soft-core implementation ofthe Blowfish cryptograph...
The Photovoltaic (PV) plants are significantly different from the conventional synchronous generators in terms of physical and electrical characteristics, as it connects to the power grid through the voltage-source converters. High penetration PV in power system will bring several critical challenges to the safe operation of power grid including transient stability. To address this problem, the...
Performance Improvement and Analysis of Stand- Alone Hybrid Wind /Battery/DG Power Generation System
This paper presents a standalone hybrid power generation system based on low speed wind energy conversion system (WECS) using a variable speed permanent magnet synchronous generator (PMSG) with battery storage and diesel generator (DG). Different types of power management strategies are presents for minimal use of DG. For each PMS, mathematical model is developed based on the power balance (bet...
The article presents the concept of an electromagnetic circuit generator with permanent magnets mounted on the surface rotor core designed for single phase work. Computation field-circuit model was shown. The spectrum of time course of voltages in the idle work was presented. The cross section with graphically presentation of magnetic induction in particular parts of electromagnetic circuits wa...
" Application of digital singal processing in FBG sensors ". " Active intra-cavity spectroscopy using fiber lasers ". " Choice of SVC location/signal and its controller design by probabilistic method ". " Single-phase operation of a three-phase induction generator using a novel line current injection method ". " Permanent-magnet synchronous generator with inset rotor for autonomous power-system...
Synchronous machine is an AC rotating machine whose speed under steady state condition is proportional to the frequency of the current in its armature. This paper presents an efficient neuro-fuzzy control of synchronous generator. It has been compared with fuzzy control and multilayer control. As evinced through the simulation results, neuro-fuzzy and type-2 are comparatively superior over the ...
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