CURRENT TRANSFORMER, PROTECTION DEVICE AND ELECTRICAL CIRCUIT BREAKER INCLUDING SUCH A TRANSFORMER

CURRENT TRANSFORMER, PROTECTION DEVICE AND ELECTRICAL CIRCUIT BREAKER INCLUDING SUCH A TRANSFORMER

The current transformer (1) includes a magnetic circuit (2) made of magnetic material that is intended to be placed around a primary conductor (3), and a secondary winding (4) that is wound onto a portion (5) of said magnetic circuit (2) in order to deliver a secondary current to processing circuits...

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Hauptverfasser: Mas, Patrick, Shi, Xiaodong
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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creator Mas, Patrick
Shi, Xiaodong
description The current transformer (1) includes a magnetic circuit (2) made of magnetic material that is intended to be placed around a primary conductor (3), and a secondary winding (4) that is wound onto a portion (5) of said magnetic circuit (2) in order to deliver a secondary current to processing circuits (32). In this current transformer the magnetic circuit (2) comprises at least one device (6, 6A, 6B) for varying the magnetization of a portion of said magnetic circuit according to the temperature in order to limit or to decrease the magnetic flux in the magnetic circuit when the temperature of the magnetic circuit increases. The protection device and the electrical circuit breaker include such a transformer. 5 4__ _ _ _ _ _ FIG. 1 Prior art 5 _ _ _ _4
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In this current transformer the magnetic circuit (2) comprises at least one device (6, 6A, 6B) for varying the magnetization of a portion of said magnetic circuit according to the temperature in order to limit or to decrease the magnetic flux in the magnetic circuit when the temperature of the magnetic circuit increases. 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In this current transformer the magnetic circuit (2) comprises at least one device (6, 6A, 6B) for varying the magnetization of a portion of said magnetic circuit according to the temperature in order to limit or to decrease the magnetic flux in the magnetic circuit when the temperature of the magnetic circuit increases. 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In this current transformer the magnetic circuit (2) comprises at least one device (6, 6A, 6B) for varying the magnetization of a portion of said magnetic circuit according to the temperature in order to limit or to decrease the magnetic flux in the magnetic circuit when the temperature of the magnetic circuit increases. The protection device and the electrical circuit breaker include such a transformer. 5 4__ _ _ _ _ _ FIG. 1 Prior art 5 _ _ _ _4</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
title CURRENT TRANSFORMER, PROTECTION DEVICE AND ELECTRICAL CIRCUIT BREAKER INCLUDING SUCH A TRANSFORMER
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