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|1. (WO2014183425) IMPROVED HIGH-POWER THYRISTOR|
|Applicants:||STATE GRID CORPORATION OF CHINA
STATE GRID SMART GRID RESEARCH INSTITUTE
CHINA-EPRI ELECTRIC POWER ENGINEERING CO.,LTD
|Title:||IMPROVED HIGH-POWER THYRISTOR|
A high-power thyristor. The thyristor comprises a thyristor base (1), a ceramic circular shell, a protective layer (2), a chip (3) and a thyristor cover (4) which are arranged in sequence in an axial direction, wherein a rubber sleeve is wrapped around the outer edge of the chip (3); the protective layer (2) and the chip (3) are buckled into the ceramic circular shell in sequence; and a temperature sensor is arranged in the axial direction of the thyristor. By additionally installing a precise temperature sensor on the chip of the thyristor, the real-time monitoring of the temperature of the chip of the thyristor is realized, and the temperature measurement deviation can be reduced, forming intuitive real-time temperature data, and providing reliable conditions for junction temperature protection and other intellectualized functions of a direct-current converter valve.