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The dielectric response of the overall transformer insulation is an invaluable source of information for those involved in the manufacture, operation and maintenance of power and distribution transformers. One of the greatest advances in the use of the transformer insulation dielectric response is without a doubt the possibility of performing advanced diagnostics of the oil-paper insulation to determine...
Preventive diagnosis and maintenance of transformers has become more and more useful in recent times in order to improve the reliability of electric power systems. Time domain dielectric testing techniques such as return voltage (RV) measurement and polarisation-depolarisation current (PDC) measurement have recently been widely used as potential tools for condition assessment of transformer insulation...
Dielectric testing techniques, in both time and frequency domains, are currently widely used by power utilities for assessment of the condition of transformer oil-paper insulation systems. However, it has been reported that results of these tests are highly influenced by the operating temperature during measurements. The distribution, migration and equilibrium of moisture between oil and paper in...
Dielectric testing techniques, in both time and frequency domains are currently being widely used by the power utilities for the assessment of the condition of transformer oil-paper insulation systems. However, it has been reported that the results of these tests are highly influenced by the operating temperature during the measurement. The distribution, migration and equilibrium of moisture between...
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