FR2298135B1 - - Google Patents

Info

Publication number
FR2298135B1
FR2298135B1 FR7601249A FR7601249A FR2298135B1 FR 2298135 B1 FR2298135 B1 FR 2298135B1 FR 7601249 A FR7601249 A FR 7601249A FR 7601249 A FR7601249 A FR 7601249A FR 2298135 B1 FR2298135 B1 FR 2298135B1
Authority
FR
France
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
FR7601249A
Other languages
French (fr)
Other versions
FR2298135A1 (fr
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.)
Rolls Royce Power Engineering PLC
Original Assignee
Northern Engineering Industries PLC
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 Engineering Industries PLC filed Critical Northern Engineering Industries PLC
Publication of FR2298135A1 publication Critical patent/FR2298135A1/fr
Application granted granted Critical
Publication of FR2298135B1 publication Critical patent/FR2298135B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-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
    • G05F3/02—Regulating voltage or current
    • G05F3/04—Regulating voltage or current wherein the variable is AC
    • G05F3/06—Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable 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)
FR7601249A 1975-01-17 1976-01-19 Dispositif et procede de limitation de courant pour installations a courant alternatif Granted FR2298135A1 (fr)

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
GB4062975 1975-10-03
GB4062875 1975-10-03

Publications (2)

Publication Number Publication Date
FR2298135A1 FR2298135A1 (fr) 1976-08-13
FR2298135B1 true FR2298135B1 (enrdf_load_stackoverflow) 1981-12-31

Family

ID=27447199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601249A Granted FR2298135A1 (fr) 1975-01-17 1976-01-19 Dispositif et procede de limitation de courant pour installations a courant alternatif

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
EP2260557B1 (en) * 2008-04-03 2012-08-29 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
CH627882A5 (en) 1982-01-29
FR2298135A1 (fr) 1976-08-13
AR209139A1 (es) 1977-03-31
AU1032276A (en) 1977-07-21
SE7600375L (sv) 1976-07-18
JPS5197747A (enrdf_load_stackoverflow) 1976-08-27
AU503589B2 (en) 1979-09-13
DE2601575A1 (de) 1976-07-22
SE424675B (sv) 1982-08-02

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Legal Events

Date Code Title Description
TP Transmission of property
CN Change in juridical nature
ST Notification of lapse