FR755856A - Control systems for electrical transformers - Google Patents

Control systems for electrical transformers

Info

Publication number
FR755856A
FR755856A FR755856DA FR755856A FR 755856 A FR755856 A FR 755856A FR 755856D A FR755856D A FR 755856DA FR 755856 A FR755856 A FR 755856A
Authority
FR
France
Prior art keywords
control systems
electrical transformers
transformers
electrical
systems
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
Other languages
French (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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing 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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR755856A publication Critical patent/FR755856A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
FR755856D 1932-05-25 1933-05-20 Control systems for electrical transformers Expired FR755856A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US755856XA 1932-05-25 1932-05-25
GB13620/33A GB424244A (en) 1932-05-25 1933-05-10 Improvements in tap changing systems for electric transformers

Publications (1)

Publication Number Publication Date
FR755856A true FR755856A (en) 1933-11-30

Family

ID=10026348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755856D Expired FR755856A (en) 1932-05-25 1933-05-20 Control systems for electrical transformers

Country Status (3)

Country Link
DE (1) DE754478C (en)
FR (1) FR755856A (en)
GB (1) GB424244A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US857062A (en) * 1906-11-20 1907-06-18 John D Hilliard Electrical transformer.
US1588204A (en) * 1925-09-03 1926-06-08 Gen Electric Transformer
CH138423A (en) * 1928-02-04 1930-02-28 Elin Ag Step switch on multi-phase transformers.
GB313572A (en) * 1928-06-14 1930-09-15 Siemens Ag Improvements in or relating to regulating means for regulating transformers
CH144113A (en) * 1928-06-29 1930-12-15 Westinghouse Electric Corp Device for changing the outlet in transformers and other electrical devices with multiple outlets.

Also Published As

Publication number Publication date
GB424244A (en) 1935-02-04
DE754478C (en) 1952-11-17

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