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The electrical energy consumption continues to grow and more applications are based on electricity. We can expect that more 60% of all energy consumption will be converted and used as electricity. Therefore, it is a demand that production, distribution and use of electrical energy are done as efficient as possible. Further, the emerging climate changes is arguing to find sustainable future solutions...
The global electrical energy consumption is still rising and there is a steady demand to increase the power capacity. It is expected that it has to be doubled within 20 years. The production, distribution and use of the energy should be as technological efficient as possible and incentives to save energy at the end-user should be set up. Deregulation of energy has lowered the investment in larger...
This paper presents several solutions for stand alone pico-electric power plants, which are used for electric energy production from water power. Up to now, the induction and permanent magnet synchronous generators were studied and presented as best variants for small power generation. Another topology is proposed here: a hybrid excited synchronous generator, based on two different types of excitation...
The paper presents a developed switched reluctance wind power generator system. The block diagram and the elements of the system, such as generator, rotor position detector, excitation power converter and controller are described. The transient phase current analysis and the energy analysis of the switched reluctance generator are evaluated. The rotor position and the peak value of the phase current...
The global electrical energy consumption is still rising and there is an urgent demand to increase the power capacity. It is expected that the power capacity has to be doubled within 20 years. The production, distribution and use of energy should be as efficient as possible and incentives to save energy at the end-user should also be set up. Deregulation of energy has in the past lowered the investment...
The developed switched reluctance starter/generator system in low voltage is presented, which is made up of the three-phase 12/8 structure double salient reluctance machine, three-phase asymmetric bridge single polarity power converter and the controller. The three-phase 12/8 structure double salient reluctance machine, the three-phase asymmetric bridge single polarity power converter and the control...
Several new distributed generation sources are being proposed today that feature variable frequency multiple unbalanced output voltages. One such example is a portable power system based on a permanent magnet generator (PMG) that is driven by a micro internal combustion swing engine (MICSE). Maximum power transfer in such systems can be challenging and reduces system efficiency by 15-30%. Unlike conventional...
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