CH627882A5 - Current-limiting unit for an AC device, and use of the unit in a power transmission system - Google Patents

Current-limiting unit for an AC device, and use of the unit in a power transmission system Download PDF

Info

Publication number
CH627882A5
CH627882A5 CH52576A CH52576A CH627882A5 CH 627882 A5 CH627882 A5 CH 627882A5 CH 52576 A CH52576 A CH 52576A CH 52576 A CH52576 A CH 52576A CH 627882 A5 CH627882 A5 CH 627882A5
Authority
CH
Switzerland
Prior art keywords
winding
unit according
current
superconducting
bias
Prior art date
Application number
CH52576A
Other languages
German (de)
English (en)
Inventor
Kenneth Charles Parton
Anthony Derek Appleton
Trevor Carlisle Bartram
Original Assignee
Northern Eng Ind
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
Priority claimed from GB2027/75A external-priority patent/GB1540581A/en
Application filed by Northern Eng Ind filed Critical Northern Eng Ind
Publication of CH627882A5 publication Critical patent/CH627882A5/de

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02Regulating voltage or current
    • G05F3/04Regulating voltage or current wherein the variable is AC
    • G05F3/06Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/38Auxiliary core members; Auxiliary coils or windings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/021Current limitation using saturable reactors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
CH52576A 1975-01-17 1976-01-16 Current-limiting unit for an AC device, and use of the unit in a power transmission system CH627882A5 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2027/75A GB1540581A (en) 1975-01-17 1975-01-17 Current limiting arrangements
GB248175 1975-01-20
GB4062875 1975-10-03
GB4062975 1975-10-03

Publications (1)

Publication Number Publication Date
CH627882A5 true CH627882A5 (en) 1982-01-29

Family

ID=27447199

Family Applications (1)

Application Number Title Priority Date Filing Date
CH52576A CH627882A5 (en) 1975-01-17 1976-01-16 Current-limiting unit for an AC device, and use of the unit in a power transmission system

Country Status (7)

Country Link
JP (1) JPS5197747A (enrdf_load_stackoverflow)
AR (1) AR209139A1 (enrdf_load_stackoverflow)
AU (1) AU503589B2 (enrdf_load_stackoverflow)
CH (1) CH627882A5 (enrdf_load_stackoverflow)
DE (1) DE2601575A1 (enrdf_load_stackoverflow)
FR (1) FR2298135A1 (enrdf_load_stackoverflow)
SE (1) SE424675B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119059A (en) * 1990-09-04 1992-06-02 International Business Machines Corporation Combined differential and common mode choke for a power supply
WO2009121143A1 (en) * 2008-04-03 2009-10-08 Zenergy Power Pty Ltd A fault current limiter
DE102008028139A1 (de) * 2008-06-13 2009-12-17 Zenergy Power Gmbh Verfahren für die Elektrizitätsnetzverwaltung und Einrichtung hierfür

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH83037A (de) * 1919-02-08 1920-04-01 Bbc Brown Boveri & Cie Verfahren zur Strombegrenzung bei Wechselstromverbrauchern
NL293271A (enrdf_load_stackoverflow) * 1962-05-25 1900-01-01
GB1105444A (en) * 1965-05-03 1968-03-06 Licentia Gmbh Improvements relating to the protection of alternating current networks from the effects of excess current

Also Published As

Publication number Publication date
JPS5197747A (enrdf_load_stackoverflow) 1976-08-27
AU503589B2 (en) 1979-09-13
FR2298135B1 (enrdf_load_stackoverflow) 1981-12-31
AR209139A1 (es) 1977-03-31
FR2298135A1 (fr) 1976-08-13
SE424675B (sv) 1982-08-02
DE2601575A1 (de) 1976-07-22
AU1032276A (en) 1977-07-21
SE7600375L (sv) 1976-07-18

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased