HIGH VOLTAGE BYPASS DEVICE, VOLTAGE SOURCE CONVERTER AND OPERATING METHOD

World Intellectual Property Organization Patent

APP PUB NO WO-2023222183-A1
SERIAL NO

PCTEP2022063178

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Abstract

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The present disclosure relates to a high voltage bypass device (10), comprising a cavity (13), a trigger element arranged in the cavity (13), a reservoir (17) filled with a conductive, flowable material (18), and a shutter (19) separating the cavity (13) and the reservoir (17). The trigger element is connected to a first terminal (11) and a second terminal (12) of the high voltage bypass device (10). The shutter (19) is configured to open a passage between the cavity (13) and the reservoir (17) in case the trigger element is triggered by an overvoltage condition, such that the conductive, flowable material (18) at least partially fills the cavity (13), thereby forming a conductive path from the first terminal (11) to the second terminal (12). The present disclosure further relates to a voltage source converter (VSC), in particular a modular multi-cell converter (40), and an operating method for a high voltage bypass device (10).

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Patent Owner(s)

Patent OwnerAddress
HITACHI ENERGY SWITZERLAND AGCHSWISS BADEN

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Inventor(s)

Inventor Name Address
DONZEL LISE 5430 WETTINGEN
ANDERSSON MATS BEIJING 100125

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