GB1566289A - Saturating transformer for overcurrent protection - Google Patents

Saturating transformer for overcurrent protection Download PDF

Info

Publication number
GB1566289A
GB1566289A GB50723/76A GB5072376A GB1566289A GB 1566289 A GB1566289 A GB 1566289A GB 50723/76 A GB50723/76 A GB 50723/76A GB 5072376 A GB5072376 A GB 5072376A GB 1566289 A GB1566289 A GB 1566289A
Authority
GB
United Kingdom
Prior art keywords
load
winding
current
electrode
crowbar
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB50723/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Department of Energy
Original Assignee
US Department of Energy
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 US Department of Energy filed Critical US Department of Energy
Publication of GB1566289A publication Critical patent/GB1566289A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/021—Current limitation using saturable reactors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
    • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle for interrupting DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Particle Accelerators (AREA)
  • Protection Of Transformers (AREA)
GB50723/76A 1975-12-18 1976-12-06 Saturating transformer for overcurrent protection Expired GB1566289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/642,045 US4054933A (en) 1975-12-18 1975-12-18 Saturating time-delay transformer for overcurrent protection

Publications (1)

Publication Number Publication Date
GB1566289A true GB1566289A (en) 1980-04-30

Family

ID=24574954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50723/76A Expired GB1566289A (en) 1975-12-18 1976-12-06 Saturating transformer for overcurrent protection

Country Status (6)

Country Link
US (1) US4054933A (https=)
JP (1) JPS5278049A (https=)
CA (1) CA1079347A (https=)
DE (1) DE2657594A1 (https=)
FR (1) FR2335976A1 (https=)
GB (1) GB1566289A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3522194A1 (en) * 2018-01-31 2019-08-07 General Electric Technology GmbH Switching apparatus

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156264A (en) * 1977-08-10 1979-05-22 Rca Corporation High power protection apparatus
US4232351A (en) * 1979-01-03 1980-11-04 The United States Of America As Represented By The United States Department Of Energy High-voltage crowbar circuit with cascade-triggered series ignitrons
US4346421A (en) * 1979-07-02 1982-08-24 Sangamo Weston, Inc. Fault detector
US4358808A (en) * 1981-05-18 1982-11-09 The United States Of America As Represented By The United States Department Of Energy High energy overcurrent protective device
US5136453A (en) * 1990-04-04 1992-08-04 Oliver Bernard M Method and means for suppressing geomagnetically induced currents
DE4418518A1 (de) * 1994-05-27 1995-11-30 Philips Patentverwaltung Leistungsgenerator mit einem Transformator
US5559658A (en) * 1994-09-06 1996-09-24 Eldec Corporation Solid-state high voltage crowbar circuit
US6066979A (en) * 1996-09-23 2000-05-23 Eldec Corporation Solid-state high voltage linear regulator circuit
US6008549A (en) * 1999-03-19 1999-12-28 Eldec Corporation Solid-state high voltage switch and switching power supply
US6577479B1 (en) * 2000-08-28 2003-06-10 The Regents Of The University Of California Arc suppression circuit
SE530248C2 (sv) * 2006-08-25 2008-04-08 Powerwave Technologies Sweden Aktivt åskskydd
EP2495745A1 (en) * 2011-03-04 2012-09-05 ABB Technology AG Current-rise limitation in high-voltage DC systems

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571027A (en) * 1950-03-09 1951-10-09 Rca Corp Electron tube protective system
US2971130A (en) * 1956-01-10 1961-02-07 Ite Circuit Breaker Ltd Electro-dynamic switching device
US2910626A (en) * 1956-01-18 1959-10-27 Rca Corp Protective system
US2949568A (en) * 1956-07-13 1960-08-16 Ite Circuit Breaker Ltd Protection of parallel connected d.-c. sources
US2971146A (en) * 1957-02-20 1961-02-07 Ite Circuit Breaker Ltd Instantaneous trip for rectifier protection
US2928956A (en) * 1959-01-07 1960-03-15 Martin L Jones Electronic overload protection for pulsed systems
US3267331A (en) * 1963-05-15 1966-08-16 Leonard J Melhart Capacitor trigger and fault circuit
US3601657A (en) * 1968-10-31 1971-08-24 Avco Corp Overvoltage protective device
US3569784A (en) * 1968-11-21 1971-03-09 Atomic Energy Commission Solid state crowbar circuit
US3671810A (en) * 1969-09-18 1972-06-20 Singer Co Saturated core transient current limiter
US3564339A (en) * 1969-10-31 1971-02-16 Kms Ind Inc Circuit for rapid shutoff of electrochemical machining apparatus
US3660721A (en) * 1971-02-01 1972-05-02 Gen Electric Protective equipment for an alternating current power distribution system
US3936702A (en) * 1972-02-24 1976-02-03 Micro Devices Corporation Electrical protection means
US3867669A (en) * 1974-01-11 1975-02-18 Yakov Lvovich Krasik Power source with a sparkproof output

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3522194A1 (en) * 2018-01-31 2019-08-07 General Electric Technology GmbH Switching apparatus
WO2019149808A1 (en) * 2018-01-31 2019-08-08 General Electric Technology Gmbh Switching apparatus
US11088689B2 (en) 2018-01-31 2021-08-10 General Electric Company Switching apparatus

Also Published As

Publication number Publication date
FR2335976A1 (fr) 1977-07-15
DE2657594A1 (de) 1977-06-30
FR2335976B1 (https=) 1982-10-29
CA1079347A (en) 1980-06-10
JPS5278049A (en) 1977-07-01
US4054933A (en) 1977-10-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee