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It is costly to have a conventional three phase electricity supply system to service sparsely-populated rural areas. As a solution, the single wire earth return (SWER) network is widely used which has only one overhead conductor delivering power and the ground is used for the return path. This paper presents an on-line monitoring system, currently under development, to provide real-time power quality...
The effects of harmonic contamination on distribution transformer losses and temperature rise have become an increasing concern. This problem is caused by the widespread presence of non-linear loads and their ever-increasing proportion in the power system networks. The paper focuses on the particular effect of voltage harmonics on oil-filled distribution transformers losses. Laboratory experiments...
The effect of harmonic contamination on distribution transformer losses has become an increasing concern over the last decade. This problem is caused by the widespread presence of non-linear loads and their ever-increasing proportion in the power system networks. In this paper, an oil-filled distribution transformer was employed to run short circuit test and open circuit test. The electrical parameters...
The drive to improve energy efficiency and reduce electrical loading has resulted in energy efficient lighting such as compact fluorescent lamps (CFLs) replacing conventional incandescent lamps. However, the presence of such non-linear loads has brought about the injection of voltage and current harmonics into electrical networks. As transformers are the interface between the supply and the non-linear...
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