ZA734329B - De-energized tap changer for transformers - Google Patents
De-energized tap changer for transformersInfo
- Publication number
- ZA734329B ZA734329B ZA734329A ZA734329A ZA734329B ZA 734329 B ZA734329 B ZA 734329B ZA 734329 A ZA734329 A ZA 734329A ZA 734329 A ZA734329 A ZA 734329A ZA 734329 B ZA734329 B ZA 734329B
- Authority
- ZA
- South Africa
- Prior art keywords
- transformers
- tap changer
- energized tap
- energized
- changer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
- H01H15/02—Details
- H01H15/06—Movable parts; Contacts mounted thereon
- H01H15/08—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/42—Knife-and-clip contacts
-
- 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
- H01H9/0027—Operating mechanisms
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE08402/72A SE364139B (fr) | 1972-06-27 | 1972-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA734329B true ZA734329B (en) | 1974-05-29 |
Family
ID=20273976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA734329A ZA734329B (en) | 1972-06-27 | 1973-06-26 | De-energized tap changer for transformers |
Country Status (8)
Country | Link |
---|---|
US (1) | US3824355A (fr) |
BR (1) | BR7304711D0 (fr) |
CA (1) | CA967252A (fr) |
DE (1) | DE2331360C3 (fr) |
DK (1) | DK134834B (fr) |
IT (1) | IT986592B (fr) |
SE (1) | SE364139B (fr) |
ZA (1) | ZA734329B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3121659C2 (de) * | 1981-05-30 | 1985-04-18 | Leopold Kostal GmbH & Co KG, 5880 Lüdenscheid | Lenkstockschalter mit einem Warnblinkschalter |
US4504811A (en) * | 1982-11-12 | 1985-03-12 | Westinghouse Electric Corp. | Cable operated tap changer for a three-phase transformer |
US4514602A (en) * | 1982-12-27 | 1985-04-30 | Owen D W | Switching apparatus |
US4562316A (en) * | 1984-06-07 | 1985-12-31 | Asea Electric, Inc. | High voltage linear tap changer |
US4644112A (en) * | 1986-01-03 | 1987-02-17 | Asea Electric, Inc. | Linear transformer switch |
US5744764A (en) * | 1996-09-26 | 1998-04-28 | General Signal Corporation | Modular de-energized switch for transformer tap changing |
DE19847745C1 (de) * | 1998-10-16 | 2000-01-05 | Reinhausen Maschf Scheubeck | Stufenschalter |
NO316818B1 (no) * | 2002-03-25 | 2004-05-18 | Vetco Aibel As | Bryteranordning for undersjoisk kraftdistribusjon |
EP2180486A1 (fr) * | 2008-10-27 | 2010-04-28 | Abb Research Ltd. | Dispositif de commutation et appareillage doté de celui-ci |
DE102012103490B4 (de) * | 2012-04-20 | 2015-11-12 | Maschinenfabrik Reinhausen Gmbh | Verteiltransformator zur Spannungsregelung von Ortsnetzen |
KR20160088570A (ko) | 2015-01-16 | 2016-07-26 | Koc 전기 주식회사 | 배전용 30kv 방폭 변압기 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR884371A (fr) * | 1942-03-17 | 1943-08-11 | Savoisienne Const Elec | Commutateur de prises de réglage |
BE468185A (fr) * | 1945-02-08 | 1946-09-27 | ||
US2577955A (en) * | 1949-04-02 | 1951-12-11 | Hazeltine Research Inc | Tuning control mechanism |
US2717296A (en) * | 1953-09-14 | 1955-09-06 | Gen Electric | Electrical switch contacts |
US3045090A (en) * | 1959-05-08 | 1962-07-17 | Mc Graw Edison Co | Tap changer movable contact |
US3192328A (en) * | 1963-02-01 | 1965-06-29 | Mc Graw Edison Co | Movable switch contact assembly with self-aligning bridging plate members |
US3673364A (en) * | 1970-11-13 | 1972-06-27 | Westinghouse Electric Corp | Transformer slide switch with contact clamping means |
US3639706A (en) * | 1971-03-15 | 1972-02-01 | Stackpole Carbon Co | Reciprocating switch mechanism with improved thumbwheel actuator including rack and pinion structure |
-
1972
- 1972-06-27 SE SE08402/72A patent/SE364139B/xx unknown
-
1973
- 1973-06-05 US US00367098A patent/US3824355A/en not_active Expired - Lifetime
- 1973-06-20 DE DE2331360A patent/DE2331360C3/de not_active Expired
- 1973-06-26 CA CA174,938A patent/CA967252A/en not_active Expired
- 1973-06-26 BR BR4711/73A patent/BR7304711D0/pt unknown
- 1973-06-26 IT IT68900/73A patent/IT986592B/it active
- 1973-06-26 DK DK353573AA patent/DK134834B/da unknown
- 1973-06-26 ZA ZA734329A patent/ZA734329B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA967252A (en) | 1975-05-06 |
AU5724173A (en) | 1975-01-09 |
US3824355A (en) | 1974-07-16 |
DK134834C (fr) | 1977-06-27 |
IT986592B (it) | 1975-01-30 |
SE364139B (fr) | 1974-02-11 |
DE2331360C3 (de) | 1978-03-23 |
BR7304711D0 (pt) | 1974-08-22 |
DE2331360A1 (de) | 1974-01-03 |
DK134834B (da) | 1977-01-24 |
DE2331360B2 (de) | 1977-07-14 |
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