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Lightning and switching surges in a HVDC converter station

Journal Article · · Electr. Eng. Jpn. (Engl. Transl.); (United States)
; ; ;
Distribution analysis of lightning and switching surges is one of the most basic tasks in designing the insulation level of hvdc converter stations. Nevertheless, little study has been done so far on this problem and, in particular, no measured data are available at present. An analysis is given of the potential distribution in a hvdc converter station subject to lightning and switching surges. Measures are proposed to protect various power installations against lightning and switching surges. Using digital simulation, lightning and switching surges transferred from dc or ac line to the converter station through dc reactor or main transformer. The Sakuma Thyristor Converter Test Station is used as a model converter station. A digital program developed to analyze the surge transfer phenomenon is also described. The surge distribution in the converter station (which is subject to the surges caused by the lightning counter flashover of the ac or dc tower near the station is also analyzed. The effects of lightning arresters on the surge distribution are also analyzed using the above-stated transient analysis program.
OSTI ID:
6721545
Journal Information:
Electr. Eng. Jpn. (Engl. Transl.); (United States), Journal Name: Electr. Eng. Jpn. (Engl. Transl.); (United States) Vol. 96:6; ISSN EENJA
Country of Publication:
United States
Language:
English

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Related Subjects

200302* -- Power Transmission & Distribution-- DC Systems-- (1989-)
24 POWER TRANSMISSION AND DISTRIBUTION
COMPUTER CALCULATIONS
CURRENTS
DC SYSTEMS
ELECTRIC CURRENTS
ELECTRIC DISCHARGES
FLASHOVER
HVDC SYSTEMS
LIGHTNING
MATHEMATICAL MODELS
POWER SYSTEMS
SIMULATION
SURGES
TRANSIENTS