Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Haruhisa Wada"'
Publikováno v:
The Journal of the Institute of Electrical Engineers of Japan. 137:610-613
Publikováno v:
2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia).
An ultra-high-voltage converter rated at 500kV-1200A has been developed for HVDC transmission, a key technology for enhancing operability of electric power systems, a basic infrastructure of the sustainable society. The paper introduces the developme
Autor:
Masaru Ishii, Etsuhiro Hino, Haruhisa Wada, Hisashi Goshima, Junzo Kida, Takatoshi Shindo, Tomoki Banno, Takayuki Wakimoto, Satoru Miyazaki
Publikováno v:
IEEJ Transactions on Power and Energy. 135:675-680
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 19:472-480
The technical soundness of an oil-immersed power transformer under an operating voltage is evaluated in partial discharge (PD) test of long-duration ac withstand voltage test. To establish clear control criteria for this PD test, it is necessary to s
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 18:2024-2031
The soundness of a power transformer under an operating voltage is evaluated in partial discharge (PD) test of long-duration ac withstand voltage test. To establish clear control criteria for this PD test, it is necessary to study PD propagation char
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 18:1658-1667
To establish clear control criteria for a partial discharge (PD) test of long duration ac withstand voltage test of a gas-filled power transformer, the authors have conducted a study on the harmful PD level of materials themselves using the insulatin
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 18:1668-1677
The soundness of a gas-filled power transformer under an operating voltage is evaluated in partial discharge (PD) test of long-duration ac withstand voltage test. To establish clear control criteria for this PD test, the authors initially conducted a
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 17:1715-1723
The soundness of a transformer under an operating voltage is evaluated in partial discharge (PD) test of long-duration ac withstand voltage test. At present, the same criteria for evaluating oil-filled transformers are adopted as those for evaluating
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 17:1649-1656
The soundness of an oil-immersed power transformer under an operating voltage is evaluated in partial discharge (PD) test of long-duration ac withstand voltage test. The acceptance criterion for this PD test is 500 pC according to IEC standard; howev
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 17:1204-1213
The soundness of a transformer under operating voltage is evaluated in a partial discharge (PD) test of a long-duration ac withstand voltage test. Presently, the same criteria for evaluating oil-filled transformers are adopted as those for evaluating