BR8702313A - Transformador para instrumento,que tem uma pluralidade de razoes de transformacao - Google Patents
Transformador para instrumento,que tem uma pluralidade de razoes de transformacaoInfo
- Publication number
- BR8702313A BR8702313A BR8702313A BR8702313A BR8702313A BR 8702313 A BR8702313 A BR 8702313A BR 8702313 A BR8702313 A BR 8702313A BR 8702313 A BR8702313 A BR 8702313A BR 8702313 A BR8702313 A BR 8702313A
- Authority
- BR
- Brazil
- Prior art keywords
- transformer
- transformation
- reasons
- instrument
- transformation reasons
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
- H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/16—Toroidal transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/860,711 US4713642A (en) | 1986-05-07 | 1986-05-07 | Face connected instrument transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8702313A true BR8702313A (pt) | 1988-02-17 |
Family
ID=25333849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8702313A BR8702313A (pt) | 1986-05-07 | 1987-05-06 | Transformador para instrumento,que tem uma pluralidade de razoes de transformacao |
Country Status (9)
Country | Link |
---|---|
US (1) | US4713642A (pt) |
JP (1) | JPH0787155B2 (pt) |
AU (1) | AU607413B2 (pt) |
BR (1) | BR8702313A (pt) |
CA (1) | CA1274588A (pt) |
ES (1) | ES2003295A6 (pt) |
GB (1) | GB2190247B (pt) |
IN (1) | IN167076B (pt) |
PH (1) | PH24146A (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19508695B4 (de) * | 1995-03-02 | 2004-03-25 | Wago Verwaltungsgesellschaft Mbh | Trafoklemme |
US6700808B2 (en) * | 2002-02-08 | 2004-03-02 | Mobility Electronics, Inc. | Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter |
US6650560B2 (en) | 2001-12-03 | 2003-11-18 | Mobility Electronics, Inc. | Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback |
US6643158B2 (en) | 2001-10-31 | 2003-11-04 | Mobility Electronics, Inc. | Dual input AC/DC to programmable DC output converter |
US6751109B2 (en) | 2001-10-31 | 2004-06-15 | Mobility Electronics, Inc. | Dual input AC/DC/ battery operated power supply |
US6791853B2 (en) * | 2001-12-03 | 2004-09-14 | Mobility Electronics, Inc. | Dual input AC/DC power converter having a programmable peripheral power hub module |
US6903950B2 (en) * | 2001-12-03 | 2005-06-07 | Mobility Electronics, Inc. | Programmable power converter |
US9153960B2 (en) | 2004-01-15 | 2015-10-06 | Comarco Wireless Technologies, Inc. | Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices |
TW200814480A (en) * | 2006-07-10 | 2008-03-16 | Hitachi Ltd | Distribution switchgear |
US8213204B2 (en) | 2009-04-01 | 2012-07-03 | Comarco Wireless Technologies, Inc. | Modular power adapter |
US8354760B2 (en) | 2009-10-28 | 2013-01-15 | Comarco Wireless Technologies, Inc. | Power supply equipment to simultaneously power multiple electronic device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1741265A (en) * | 1927-03-16 | 1929-12-31 | Wappler Frederick Charles | Transformer |
US2149529A (en) * | 1936-07-21 | 1939-03-07 | Fave Victor A La | Transformer unit |
US2590821A (en) * | 1948-11-04 | 1952-03-25 | Melpar Inc | Potted electrical subassembly |
US2878433A (en) * | 1952-02-18 | 1959-03-17 | Int Standard Electric Corp | Units for suppression of electrical interference |
US3034000A (en) * | 1960-07-19 | 1962-05-08 | Todd Electric Company Inc | Appliance adapter |
US3246272A (en) * | 1964-02-18 | 1966-04-12 | Thomas A Wiley | Potted electric coil and hair-like lead wire assembly |
US3581259A (en) * | 1969-11-19 | 1971-05-25 | Ernest Brunside | Quickly removable ignition coil installation for automobile theft prevention |
US4156222A (en) * | 1971-05-05 | 1979-05-22 | Commerzstahl Handelsgesellschaft Mbh | Transformer with divided primary |
GB1515701A (en) * | 1975-02-19 | 1978-06-28 | Gillette Co | Plug for voltage adaptation |
US4232260A (en) * | 1978-04-19 | 1980-11-04 | Lambkin Fred M | Universal battery charger/adapter unit |
-
1986
- 1986-05-07 US US06/860,711 patent/US4713642A/en not_active Expired - Lifetime
-
1987
- 1987-04-10 IN IN287/CAL/87A patent/IN167076B/en unknown
- 1987-04-15 AU AU71548/87A patent/AU607413B2/en not_active Ceased
- 1987-04-15 PH PH35151A patent/PH24146A/en unknown
- 1987-04-28 CA CA000535777A patent/CA1274588A/en not_active Expired
- 1987-04-30 GB GB8710263A patent/GB2190247B/en not_active Expired - Lifetime
- 1987-05-05 ES ES8701335A patent/ES2003295A6/es not_active Expired
- 1987-05-06 BR BR8702313A patent/BR8702313A/pt unknown
- 1987-05-07 JP JP62111633A patent/JPH0787155B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1274588A (en) | 1990-09-25 |
GB2190247A (en) | 1987-11-11 |
JPH0787155B2 (ja) | 1995-09-20 |
AU7154887A (en) | 1987-11-12 |
GB2190247B (en) | 1990-03-21 |
JPS62268112A (ja) | 1987-11-20 |
GB8710263D0 (en) | 1987-06-03 |
AU607413B2 (en) | 1991-03-07 |
US4713642A (en) | 1987-12-15 |
IN167076B (pt) | 1990-08-25 |
PH24146A (en) | 1990-03-22 |
ES2003295A6 (es) | 1988-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Ipc: H01H 71/12 (2006.01), H01F 27/02 (2006.0 |