This paper presents a power generation technique using high altitude wind power generating system buoyed by a aerostat filled with light gas by which electrical energy is extracted with the help of high-altitude streamlined wind. The best generation and transmission mechanisms that provide the right power-to-weight (P/W) ratio and efficiency of the overall system are examined. The differences in weight and total losses with deviations in generation voltage and pole-pair number (frequency) of the permanent magnet synchronous generator have been examined. Also, the design of the tether that transports electrical power to the ground-based station is presented. To find the optimal weight of the tether, AC and DC transmission mechanisms using conductors that use aluminum/copper are studied and compared. It is found that aluminum conductor offers better P/W ratio than using the copper conductor. By means of the detailed analysis of generation and transmission mechanisms, it is determined that the optimal electrical power architecture is medium voltage (MV) AC generation and also transmission. It reveals better P/W ratio and efficiency in contrast with low-voltage AC generation and MV DC transmission. The designated electrical design simplifies the electric system by transporting the power electronic converter from the aerial unit to the ground base station and thus the overall P/W ratio is increased by a factor of 7% approximately.
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