GB1452612A - Circuit for electrical apparatus using electrical analogue of thermal system - Google Patents

Circuit for electrical apparatus using electrical analogue of thermal system

Info

Publication number
GB1452612A
GB1452612A GB4783373A GB4783373A GB1452612A GB 1452612 A GB1452612 A GB 1452612A GB 4783373 A GB4783373 A GB 4783373A GB 4783373 A GB4783373 A GB 4783373A GB 1452612 A GB1452612 A GB 1452612A
Authority
GB
United Kingdom
Prior art keywords
components
oil
currents
windings
represent
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
GB4783373A
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
General Electric Canada Co
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 Canadian General Electric Co Ltd, General Electric Canada Co filed Critical Canadian General Electric Co Ltd
Publication of GB1452612A publication Critical patent/GB1452612A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/56—Analogue computers for specific processes, systems or devices, e.g. simulators for heat flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Protection Of Transformers (AREA)
  • Power Conversion In General (AREA)
GB4783373A 1972-10-26 1973-10-12 Circuit for electrical apparatus using electrical analogue of thermal system Expired GB1452612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA155,044A CA962333A (en) 1972-10-26 1972-10-26 Control circuit for electrical apparatus using electrical analog of thermal system

Publications (1)

Publication Number Publication Date
GB1452612A true GB1452612A (en) 1976-10-13

Family

ID=4094823

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4783373A Expired GB1452612A (en) 1972-10-26 1973-10-12 Circuit for electrical apparatus using electrical analogue of thermal system

Country Status (5)

Country Link
JP (1) JPS5246786B2 (enrdf_load_stackoverflow)
CA (1) CA962333A (enrdf_load_stackoverflow)
DE (1) DE2353815A1 (enrdf_load_stackoverflow)
FR (1) FR2204836A1 (enrdf_load_stackoverflow)
GB (1) GB1452612A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484726A1 (fr) 1980-06-11 1981-12-18 Telemecanique Electrique Dispositif de simulation de l'echauffement instantane d'un composant semi-conducteur de puissance en vue de sa protection
CA1193317A (en) * 1982-05-07 1985-09-10 Canadian General Electric Company Limited Thermal model for electrical apparatus
US4470092A (en) * 1982-09-27 1984-09-04 Allen-Bradley Company Programmable motor protector
JPS5958343U (ja) * 1982-10-12 1984-04-16 株式会社神戸製鋼所 鋼管のリ−クテスタ用クランプ治具

Also Published As

Publication number Publication date
FR2204836A1 (enrdf_load_stackoverflow) 1974-05-24
JPS4980949A (enrdf_load_stackoverflow) 1974-08-05
CA962333A (en) 1975-02-04
JPS5246786B2 (enrdf_load_stackoverflow) 1977-11-28
DE2353815A1 (de) 1974-05-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee