Ryosuke Hatano
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View article: Calculation Scheme of Transformer Saturated Inductances based on Field Test Data
Calculation Scheme of Transformer Saturated Inductances based on Field Test Data Open
In small power system, such as a black start of a power system, an overvoltage could be caused by core saturation on the energization of a transformer with residual flux. Such an over-voltage might damage some equipment and delay power sys…
View article: Surge Voltages Induced in Secondary Circuits of 275 kV Full GIS
Surge Voltages Induced in Secondary Circuits of 275 kV Full GIS Open
The study of surge voltage levels induced in low voltage control or monitoring circuits by lightning surges is very important for the rational design of those circuits in substations. To investigate the induction levels in those circuits, …
View article: Result of Lightning Impulse Test for 275kV Full GIS Subetation
Result of Lightning Impulse Test for 275kV Full GIS Subetation Open
This paper describes outline and result of the lightning impulse test for 275kV full GIS substation. The behavior of lightning surges is very important for rational design of substations and low voltage and control circuits inside substati…