CH471498A - Circuit arrangement on a transformer to limit its current - Google Patents

Circuit arrangement on a transformer to limit its current

Info

Publication number
CH471498A
CH471498A CH36968A CH36968A CH471498A CH 471498 A CH471498 A CH 471498A CH 36968 A CH36968 A CH 36968A CH 36968 A CH36968 A CH 36968A CH 471498 A CH471498 A CH 471498A
Authority
CH
Switzerland
Prior art keywords
transformer
limit
current
circuit arrangement
arrangement
Prior art date
Application number
CH36968A
Other languages
German (de)
Inventor
Brandt Dieter
Original Assignee
Kober Herbert
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 DE19671531197 external-priority patent/DE1531197A1/en
Application filed by Kober Herbert filed Critical Kober Herbert
Priority to CH36968A priority Critical patent/CH471498A/en
Priority claimed from DE19681556777 external-priority patent/DE1556777A1/en
Priority claimed from DE19681556778 external-priority patent/DE1556778A1/en
Priority to CH1294868A priority patent/CH471493A/en
Priority to GB4147968A priority patent/GB1198199A/en
Priority to FR1584419D priority patent/FR1584419A/fr
Priority to DE19691900470 priority patent/DE1900470A1/en
Publication of CH471498A publication Critical patent/CH471498A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/22—Control systems or devices for electric drives
    • B66C13/23—Circuits for controlling the lowering of the load
    • B66C13/26—Circuits for controlling the lowering of the load by ac motors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
    • G05F1/16—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices
    • G05F1/20—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/24—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices
    • G05F1/26—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices
    • G05F1/30—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using bucking or boosting transformers as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/081—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists with ac motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control And Safety Of Cranes (AREA)
  • Control Of Electrical Variables (AREA)
CH36968A 1967-09-02 1968-01-08 Circuit arrangement on a transformer to limit its current CH471498A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH36968A CH471498A (en) 1967-09-02 1968-01-08 Circuit arrangement on a transformer to limit its current
CH1294868A CH471493A (en) 1967-09-02 1968-08-28 Brake arrangement for an asynchronous motor of a hoist
GB4147968A GB1198199A (en) 1967-09-02 1968-08-30 Braking Equipment for Hoisting Gear Electric Motors
FR1584419D FR1584419A (en) 1967-09-02 1968-09-02
DE19691900470 DE1900470A1 (en) 1967-09-02 1969-01-07 Circuit arrangement for current limitation in transformers

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19671531197 DE1531197A1 (en) 1967-09-02 1967-09-02 Brake arrangement for the asynchronous motor of a hoist
CH36968A CH471498A (en) 1967-09-02 1968-01-08 Circuit arrangement on a transformer to limit its current
DE19681556777 DE1556777A1 (en) 1967-09-02 1968-03-08 Brake arrangement for the hoist motor of a construction crane
DE19681556778 DE1556778A1 (en) 1967-09-02 1968-03-16 Brake arrangement for the creep speed of the asynchronous motor of a hoist

Publications (1)

Publication Number Publication Date
CH471498A true CH471498A (en) 1969-04-15

Family

ID=27427849

Family Applications (2)

Application Number Title Priority Date Filing Date
CH36968A CH471498A (en) 1967-09-02 1968-01-08 Circuit arrangement on a transformer to limit its current
CH1294868A CH471493A (en) 1967-09-02 1968-08-28 Brake arrangement for an asynchronous motor of a hoist

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1294868A CH471493A (en) 1967-09-02 1968-08-28 Brake arrangement for an asynchronous motor of a hoist

Country Status (4)

Country Link
CH (2) CH471498A (en)
DE (1) DE1900470A1 (en)
FR (1) FR1584419A (en)
GB (1) GB1198199A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448038B (en) * 1985-05-23 1987-01-12 Flaekt Ab PROCEDURE AND DEVICE FOR CONTROLING THE CONNECTION TIME FOR EACH AND ONE OF TWO OPPOSED, SINCE BETWEEN PARALLEL CONNECTIONS, POWER PASSAGE IN ONLY ONE DIRECTION ALLOWED, ORGANIZING THE MAGNETIZATION CURRENT THROUGH A TRANS
DE3530565C2 (en) * 1985-08-27 2002-03-07 Rockinger Spezial Fab Joh Longitudinal force support of the coupling body of a trailer coupling

Also Published As

Publication number Publication date
GB1198199A (en) 1970-07-08
DE1900470A1 (en) 1969-07-31
FR1584419A (en) 1969-12-19
CH471493A (en) 1969-04-15

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Legal Events

Date Code Title Description
PL Patent ceased