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There is a growing interest in the development of high-voltage multi-terminal direct current (MTDC) networks for integration of renewable energy sources, reinforcement of existing ac networks and feeding remote locations. Although many studies have investigated power flow control strategies for MTDC networks, few studies have looked into the possible sources of load flow errors. The aim of this paper...
This paper proposes a post-fault control technique for H-bridge multilevel modular converters (MMC), which in combination with a restoration framework, can achieve fast operation recovery in multi-terminal direct current (MTdc) networks under different dc fault types. The studied network consists of four voltage-source converters (VSC) for high voltage dc (HVdc) transmission. A meshed MTdc grid topology...
Supported by the proliferation of remote monitoring technologies, distance laboratory experiments have become a widely spread tool in the educational sector. This paper presents the implementation of a remotely accessible collection of solar energy programs for determining electrical characteristics and Maximum Power Point (MPP) tracking of a Photovoltaic (PV) module. Two remote communication technologies...
Distance laboratories using internet have been becoming increasingly popular tools in the education sector. This paper deals with basic philosophy and structure of a distance laboratory for experimentation in electrical engineering. It investigates the learning methodology of conducting experiments through internet based remote controlled laboratory for electrical characteristics measurement and Maximum...
Diesel generators in small electricity grids are mostly not used in a very efficient way. The reason for this is twofold. First of all the efficiency of a diesel generator is dependent on the ratio between the average power and the peak power of the generator. The smaller this ratio, the lower the efficiency. Furthermore some loads can regenerate energy. In small grids this energy is mostly not needed...
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