Economic analysis of distribution transformers under harmonic distortion
[Examensarbete på avancerad nivå]
This thesis’s aim is to investigate how much of total transformer losses in the distribution system of Sweden is due to harmonic losses, in comparison to the remaining other losses. Use of non-linear loads in power systems is increasing, and this has become a power quality problem for both electric companies and customers. Non-linear load not only increase the distribution transformer operational costs, it causes an increase in losses as well also create additional heating in power system components. Hence, this thesis will cover the basic losses in distribution transformers mainly due to non-linear loads, cost analysis of the total transformer losses and lastly the savings that can be gained respectively. One way to increase the effi
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