ITBG20030034A1 - DEVICE FOR CONTAINING HALF CURRENT SENSORS. - Google Patents

DEVICE FOR CONTAINING HALF CURRENT SENSORS.

Info

Publication number
ITBG20030034A1
ITBG20030034A1 ITBG20030034A ITBG20030034A1 IT BG20030034 A1 ITBG20030034 A1 IT BG20030034A1 IT BG20030034 A ITBG20030034 A IT BG20030034A IT BG20030034 A1 ITBG20030034 A1 IT BG20030034A1
Authority
IT
Italy
Prior art keywords
current sensors
containing half
half current
sensors
current
Prior art date
Application number
Other languages
Italian (it)
Inventor
Claudio Amadori
Gabriele Colombo
Original Assignee
Abb Service Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Service Srl filed Critical Abb Service Srl
Priority to ITBG20030034 priority Critical patent/ITBG20030034A1/en
Priority to EP20040076452 priority patent/EP1480244B1/en
Publication of ITBG20030034A1 publication Critical patent/ITBG20030034A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
ITBG20030034 2003-05-20 2003-05-20 DEVICE FOR CONTAINING HALF CURRENT SENSORS. ITBG20030034A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITBG20030034 ITBG20030034A1 (en) 2003-05-20 2003-05-20 DEVICE FOR CONTAINING HALF CURRENT SENSORS.
EP20040076452 EP1480244B1 (en) 2003-05-20 2004-05-18 A device for containing current-sensor means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBG20030034 ITBG20030034A1 (en) 2003-05-20 2003-05-20 DEVICE FOR CONTAINING HALF CURRENT SENSORS.

Publications (1)

Publication Number Publication Date
ITBG20030034A1 true ITBG20030034A1 (en) 2004-11-21

Family

ID=33042671

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBG20030034 ITBG20030034A1 (en) 2003-05-20 2003-05-20 DEVICE FOR CONTAINING HALF CURRENT SENSORS.

Country Status (2)

Country Link
EP (1) EP1480244B1 (en)
IT (1) ITBG20030034A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707128B (en) * 2009-11-08 2011-07-20 江阴市星火电子科技有限公司 Magnetic circuit open-close type current transformer
CN112951573B (en) * 2021-01-29 2022-08-19 杭州萧山玉峰电力科技有限公司 Zero sequence mutual inductor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532793A1 (en) * 1982-09-08 1984-03-09 Merlin Gerin Short-circuit and differential hybrid trip unit equipped with a current transformer with common homopolar torus.
US4702002A (en) * 1985-04-22 1987-10-27 General Electric Company Method of forming signal processor module for ground fault circuit breaker
FR2662014B1 (en) * 1990-05-10 1992-07-24 Merlin Gerin HOMOPOLAR TRANSFORMER FOR DIFFERENTIAL SWITCHES OR CIRCUIT BREAKERS AND MOUNTING METHOD.
DE4111236C2 (en) * 1991-04-08 1999-04-08 Abb Patent Gmbh Total current transformer for a residual current circuit breaker
FR2701335B1 (en) * 1993-02-09 1995-04-14 Merlin Gerin Differential protection block with testable functional sub-assembly.
GB9414873D0 (en) * 1994-07-23 1994-09-14 Delta Circuits Protection Current imbalance sensor

Also Published As

Publication number Publication date
EP1480244B1 (en) 2015-04-22
EP1480244A2 (en) 2004-11-24
EP1480244A3 (en) 2006-10-25

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