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Smart grid has been proposed in both developed and developing countries to deal with the bottleneck of energy consumption recently. As an essential technology applied to smart grid, renewable energy integration plays a significant role on carbon emission. As an operator's perspective, system reliability and generation adequacy need to be re-considered when renewable energies are applied into the power...
Nowadays use of DG sources is getting more popular due to their significant advantageous to improve the voltage conditions and enhance reduction methods that are conventionally used in power losses. However, doing load flow calculations in case of presence of DG sources is difficult due to presence of such generators in distribution level of power system. This is happening since most load flow techniques...
Renewable Energy Resources are best practices possible today to stand against increasingly risk of climate changes and global warming of the world and the most important sources of such types of resources of energies can be Wind and Solar energies which are most the efficient relatively. These clean power resources are used as in Distributed Generation (DGs) units technology to be defined as newer...
The use of a series-connected self-excited synchronous generator for isolated distributed generation is investigated. Such a machine may be realized by connecting the stator and rotor windings of a slip-ring induction machine in series, but with reversed phase sequence. The advantage of the machine configuration is high power density and high-speed operation. Both phasor diagram and time-stepping...
The use of slip-ring induction machines for isolated distributed generation is investigated. By varying the effective rotor resistance of a self-excited slip-ring induction generator (SESRIG), the magnitude and frequency of the output voltage can be controlled under variable-speed operation. Analysis of a SESRIG supplying isolated single-phase loads is presented. Practical implementation using a chopper-controlled...
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