نتایج جستجو برای: dc generator
تعداد نتایج: 97341 فیلتر نتایج به سال:
The main aim of this paper is the utilization of discrete chaotic Lozi map based chaos number generator to enhance the performance of PSO algorithm. This paper presents the results of research, in whichchaos enhanced PSO algorithm is used to design an optimal PID controller for DC motor system. Obtained results are compared with other non-heuristic and heuristic methods.
This work presents power generation using Attic type (internally braced) air exhauster to generate the electrical power for industrial application. Generally power can be generated from renewable and non-renewable energy sources like solar, wind, tidal, geothermal, coal, natural gas and petroleum. To satisfy the growing power demand the industry focuses on alternate energy sources like wind dri...
This paper presents a closed-loop vector control structure based on adaptive Fuzzy Logic Sliding Mode Controller (FL-SMC) for a grid-connected Wave Energy Conversion System (WECS) driven Self-Excited Induction Generator (SEIG). The aim of the developed control method is to automatically tune and optimize the scaling factors and the membership functions of the Fuzzy Logic Controllers (FLC) using...
Distributed virtual inertia (DVI) is a promising method in frequency support provision for power system transition toward ≈100% electronic–based generation. In this approach, the provided by discharging or charging dc capacitors adhered to grid–tied inverters distributed grid. However, dc–bus voltage drifts with time from its nominal conventional DVI technique. Herein, we suggest modified DVI–b...
In this paper direct power control (DPC) strategy is applied to control a doubly fed induction generator (DFIG) based wind energy generation system. A AC/DC/AC converter is controlled by direct power control method. The rotor side converter is controlled by selects appropriates voltage vector based on the instantaneous errors between the reference and estimated values of active and reactive pow...
ELECT A new self-compensation technique is proposed for eliminating subharmonic oscillation and chaotic regimes in dc–dc switching converters under peak current mode control. The proposed method extracts a control signal from the error between the inductor current and a suitable reference and does not require an external signal generator as in the conventional ramp compensation scheme. The anal...
Wind energy is an important renewable source which is used for power generation for a stand-alone as well as grid connected applications. In many remote areas, loads are usually connected away from the grid. In such cases, isolated wind energy systems can be considered as an effective way to provide continuous power to electrical loads. The power conversion unit features a windturbine-driven PM...
<p>This paper focuses on the modeling and control of a wind energy conversion chain using permanent magnet synchronous machine. This system behaves turbine, generator, DC/DC DC/AC power converters. These are connected both sides to DC bus, where inverter is followed by filter which grid. In this paper, we have been used two types controllers. For stator side converter, consider Takagi-Sug...
This paper presents a simulation model of the electric part of a grid connected photovoltaic generator. The model contains a detailed representation of the main components of the system that are the solar array, boost converter and the grid side inverter. A proper control of the DC/DC converter is developed in order to extract the maximum amount of from the photovoltaic generator. The grid inte...
Now a days wind power energy is playing a major role in power industry. With the raise in application of the wind power variety of topologies are emerging into picture. Within the various types of adjustable speed fixed frequency topologies DFIG is most preferred type because of its efficiency as well as capability to allow wide range of speed variance at simplified converter size. Doubly Fed I...
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