CIRCUIT-OPENING DEVICE FOR PROTECTING POWER TRANSFORMERS Russian patent published in 1997 - IPC

Abstract RU 2080679 C1

FIELD: electrical engineering. SUBSTANCE: short-circuit and overcurrent protective device has base-mounted expulsion fuse whose channel accommodates fuse link and flexible link connected to fuse link and tip made in the form of hook joined through bush to flat knife blade of disconnecting switch. Blowout of fuse link sets knife blade to grounded OFF-position by means of spring-operated mechanism. EFFECT: improved reliability. 1 dwg

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RU 2 080 679 C1

Authors

Medvedev V.V.

Azrojants A.A.

Khajmovich V.I.

Dates

1997-05-27—Published

1994-08-16—Filed