GB338081A - Improvements in and relating to electric switches particularly for changing tap connections of a transformer - Google Patents

Improvements in and relating to electric switches particularly for changing tap connections of a transformer

Info

Publication number
GB338081A
GB338081A GB4352/30A GB435230A GB338081A GB 338081 A GB338081 A GB 338081A GB 4352/30 A GB4352/30 A GB 4352/30A GB 435230 A GB435230 A GB 435230A GB 338081 A GB338081 A GB 338081A
Authority
GB
United Kingdom
Prior art keywords
transformer
relating
electric switches
tap connections
changing tap
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
GB4352/30A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB338081A publication Critical patent/GB338081A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
GB4352/30A 1929-02-08 1930-02-08 Improvements in and relating to electric switches particularly for changing tap connections of a transformer Expired GB338081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US338515A US1752213A (en) 1929-02-08 1929-02-08 Switch

Publications (1)

Publication Number Publication Date
GB338081A true GB338081A (en) 1930-11-13

Family

ID=23325114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4352/30A Expired GB338081A (en) 1929-02-08 1930-02-08 Improvements in and relating to electric switches particularly for changing tap connections of a transformer

Country Status (3)

Country Link
US (1) US1752213A (enrdf_load_stackoverflow)
BE (1) BE367607A (enrdf_load_stackoverflow)
GB (1) GB338081A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138671A (en) * 1959-01-07 1964-06-23 Lepper Wilhelm On-load transformer tap changer

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814680A (en) * 1954-05-19 1957-11-26 Westinghouse Air Brake Co Miniature circuit controllers
US3177307A (en) * 1961-09-06 1965-04-06 Allis Chalmers Mfg Co Tap changer rotary switch with radially spaced movable contact members and motion limiting means
US3222485A (en) * 1963-08-13 1965-12-07 Thomas K C Hardesty Electrical pull switch utilizing spring biased plunger
US3238317A (en) * 1963-09-11 1966-03-01 Mc Graw Edison Co Tap changer switch having gap in creepage path between adjacent stationary contacts
US3598935A (en) * 1969-07-31 1971-08-10 Pyle National Co Multiple pole electrical switch with improved snap-action actuator structure
US3992595A (en) * 1974-12-10 1976-11-16 Westinghouse Electric Corporation Non-load tap-changer switch
US4563549A (en) * 1984-10-18 1986-01-07 Service Machine Company Reversing switch
US5416286A (en) * 1993-10-19 1995-05-16 Dixon, Jr.; Alfred R. High amperage, high efficiency electrical slide switch assembly with plug and socket contacts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138671A (en) * 1959-01-07 1964-06-23 Lepper Wilhelm On-load transformer tap changer

Also Published As

Publication number Publication date
US1752213A (en) 1930-03-25
BE367607A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB537609A (en) Improvements in and relating to electrical transformers
GB338081A (en) Improvements in and relating to electric switches particularly for changing tap connections of a transformer
GB329020A (en) Improvements in or relating to electric switchgear
GB296681A (en) Improvements in and relating to tapping switches or ratio-adjusting devices for electrical transformers
GB329445A (en) Improvements in and relating to electric switches
GB339400A (en) Improvements in electric tapping switches
GB337952A (en) Improvements in and relating to electric switches
GB305482A (en) Improvements in and relating to electric switching stations
GB328249A (en) Improvements in or relating to electric switchgear
GB330288A (en) Improvements in and relating to electric switches
GB338471A (en) Improvements in and relating to electric oil-break switches
GB325919A (en) Improvements in or relating to arrangements for effecting tap changing of transformers under load
GB326638A (en) Improvements in and relating to the construction of electric switchgear
AU1483628A (en) Improvements in and relating to electric transformers
GB334602A (en) Improvements in or relating to the earthing of electrical apparatus
GB489650A (en) Improvements in or relating to electric current transformers of the core-balance type
GB329510A (en) Improvements in or relating to electric switches
GB336575A (en) Improvements in or relating to electric switches
GB333388A (en) Improvements in or relating to clock-actuated electric switches
GB320813A (en) Improvements in and relating to time controlled and operated electric switches
GB489158A (en) Improvements in and relating to electric transformers
GB322944A (en) Improvements in or relating to electric switchgear
GB337576A (en) Improvements in or relating to electric switchgear
GB303383A (en) Improvements in and relating to electric switching apparatus
GB325069A (en) Improvements relating to electric switchgear