This study proposed a cost effective method of wind energy conversion system (WECS) incorporating permanent magnet generator (PMG) and single stage power converter. Axial flux PMG can generate rated voltage and frequency even at a lower speed and hence more suitable for direct drive WECS. To get desired voltage and frequency in continuously varying wind conditions, a new type of WECS with singl...

Solar radiation heat energy is that propagates throughout the earth's surface and absorbed stored in various objects on surface. A thermoelectric generator an electrical device converts (temperature difference) directly into energy, using a phenomenon called Seebeck effect. In this research, research was carried out by utilizing absorption of solar concrete road with type cast class III K 250 a...

The performance of many electronic systems is often limited by the performance of the clocks they use. For example, a receiver in the Global Positioning System (GPS) works by attempting to align an internally generated pseudorandom signal to an identical signal sent by a satellite and measuring the phase difference between the two. The receiver then calculates the time required for the satellit...

This paper proposes a novel virtual synchronous generator (VSG) controller for converters in AC microgrids (MGs). Such improves the control cost and DC-side energy requirements, while considering system non-linearity frequency support. First, dynamics of MG, which are analytically studied based on VSG with secondary controller, formulated as nonlinear state space representation. In this later, ...

A smart distributor system for controlling a micro grid has been developed in this work. The switches ON different generators one after the other as consumer load demand increases or them OFF decreases. This was achieved using microcontroller, current and voltage transformer. microcontroller programmed embedded C-language to communicate with transformers give necessary output signals activate d...

Wind energy, among all of the renewable energy sources, has made rapid developments and significant inroads in electrical power systems. With the increased use of wind energy conversion systems (WECSs), several technologies have been developed. Since WECSs are more cost competitive, the comparison of different wind generator systems is the need of the hour. Permanent magnet generators employing...

Kebutuhan akan energi listrik saat ini semakin meningkat sehingga menjadi sumber utama yang paling penting. Salah satu upaya untuk memenuhi kebutuhan tersebut dikembangkan Pembangkit Listrik Tenaga Piko Hidro (PLTPH) dengan turbin archimedes screw bilah lima. Dalam pengembangannya dilakukan uji performa generator magnet permanen AC 3 phase kapasitas daya sebesar 500 Watt. Tujuan dari pengujian ...

In this paper we present a nonlinear control using fuzzy sliding mode for wind energy conversion system based on a doubly-fed induction generator (DFIG) supplied by an AC-AC converter. In the first place, we carried out briefly a study of modeling on the whole system. In order to control the power flowing between the stator of the DFIG and the grid, a proposed control design uses fuzzy logic te...