ZA974865B - Improvements relating to electrical power distribution. - Google Patents
Improvements relating to electrical power distribution.Info
- Publication number
- ZA974865B ZA974865B ZA9704865A ZA974865A ZA974865B ZA 974865 B ZA974865 B ZA 974865B ZA 9704865 A ZA9704865 A ZA 9704865A ZA 974865 A ZA974865 A ZA 974865A ZA 974865 B ZA974865 B ZA 974865B
- Authority
- ZA
- South Africa
- Prior art keywords
- electrical power
- power distribution
- improvements relating
- relating
- distribution
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/01—Earthing arrangements, e.g. earthing rods
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Gas-Insulated Switchgears (AREA)
- Regulation Of General Use Transformers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9611623.1A GB9611623D0 (en) | 1996-06-04 | 1996-06-04 | Improvements relating to electrical power distribution |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA974865B true ZA974865B (en) | 1998-01-14 |
Family
ID=10794720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9704865A ZA974865B (en) | 1996-06-04 | 1997-06-03 | Improvements relating to electrical power distribution. |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0902998B1 (es) |
AU (1) | AU728048B2 (es) |
DE (1) | DE69731381T2 (es) |
DK (1) | DK0902998T3 (es) |
ES (1) | ES2231869T3 (es) |
GB (3) | GB9611623D0 (es) |
MY (1) | MY125543A (es) |
NO (1) | NO319911B1 (es) |
NZ (1) | NZ333449A (es) |
PT (1) | PT902998E (es) |
WO (1) | WO1997047064A1 (es) |
ZA (1) | ZA974865B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103368164B (zh) | 2012-04-01 | 2016-08-17 | 华为终端有限公司 | 一种防雷电路、开关电源和防雷方法 |
WO2014071479A1 (pt) * | 2012-11-12 | 2014-05-15 | Evoluções Energia Ltda | Equipamiento eletromagnético captor de elétrons da terra para geração de energia elétrica |
US9882373B2 (en) | 2014-11-21 | 2018-01-30 | Abb Schweiz Ag | System for protection of dry type transformers |
CN106610444A (zh) * | 2015-10-21 | 2017-05-03 | 新巨企业股份有限公司 | 浪涌电流记录模块 |
US11355925B2 (en) * | 2018-01-30 | 2022-06-07 | Hitachi Energy Switzerland Ag | System design solution for DC grid cost reduction and risk minimization |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB309102A (en) * | 1927-12-31 | 1929-04-02 | Ig Farbenindustrie Ag | Process for the manufacture of condensation products of the benzo-diazine series |
GB390102A (en) * | 1931-12-01 | 1933-03-30 | Westinghouse Electric & Mfg Co | Improvements in or relating to surge-proof electrical transformers |
GB441987A (en) * | 1934-08-17 | 1936-01-30 | British Thomson Houston Co Ltd | Improvements in and relating to protective devices for electric circuits |
US3825866A (en) * | 1972-06-29 | 1974-07-23 | N Piccione | System and apparatus for underground transformer installation |
DE2934235A1 (de) * | 1979-08-24 | 1981-03-26 | Ant Nachrichtentechnik Gmbh, 71522 Backnang | Netzanschluss mit ueberspannungsableitern |
US4604673A (en) * | 1984-05-14 | 1986-08-05 | General Electric Company | Distribution transformer with surge protection device |
DK173921B1 (da) * | 1986-01-29 | 2002-02-18 | Bowthorpe Ind Ltd | Elektrisk overspændingsafledningsindretning, fremgangsmåde og apparat til fremstilling samt en anvendelse af en sådan indretning |
US4881147A (en) * | 1987-03-02 | 1989-11-14 | Schaff Jean Paul | Protection of sensitive electrical installations against the effects of lightning, and devices proposed for such arrangement |
GB8820953D0 (en) * | 1988-09-07 | 1988-10-05 | Furse W J & Co Ltd | Apparatus suitable for use in protecting electrical installations from transients |
US5184270A (en) * | 1990-06-13 | 1993-02-02 | Abb Power T&D Company, Inc. | Internal arc gap for secondary side surge protection and dissipation of a generated arc |
-
1996
- 1996-06-04 GB GBGB9611623.1A patent/GB9611623D0/en active Pending
-
1997
- 1997-06-03 DE DE69731381T patent/DE69731381T2/de not_active Expired - Fee Related
- 1997-06-03 WO PCT/GB1997/001494 patent/WO1997047064A1/en active IP Right Grant
- 1997-06-03 GB GB9928806A patent/GB2342516B/en not_active Expired - Lifetime
- 1997-06-03 AU AU29723/97A patent/AU728048B2/en not_active Expired
- 1997-06-03 DK DK97924159T patent/DK0902998T3/da active
- 1997-06-03 ES ES97924159T patent/ES2231869T3/es not_active Expired - Lifetime
- 1997-06-03 ZA ZA9704865A patent/ZA974865B/xx unknown
- 1997-06-03 NZ NZ333449A patent/NZ333449A/xx not_active IP Right Cessation
- 1997-06-03 EP EP97924159A patent/EP0902998B1/en not_active Expired - Lifetime
- 1997-06-03 GB GB9711449A patent/GB2314219B/en not_active Expired - Lifetime
- 1997-06-03 PT PT97924159T patent/PT902998E/pt unknown
- 1997-06-04 MY MYPI97002482A patent/MY125543A/en unknown
-
1998
- 1998-12-03 NO NO985634A patent/NO319911B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
NZ333449A (en) | 1999-07-29 |
MY125543A (en) | 2006-08-30 |
GB9928806D0 (en) | 2000-02-02 |
ES2231869T3 (es) | 2005-05-16 |
AU2972397A (en) | 1998-01-05 |
GB9711449D0 (en) | 1997-07-30 |
EP0902998B1 (en) | 2004-10-27 |
GB2314219A (en) | 1997-12-17 |
NO985634D0 (no) | 1998-12-03 |
DE69731381D1 (de) | 2004-12-02 |
NO319911B1 (no) | 2005-10-03 |
DE69731381T2 (de) | 2005-11-03 |
GB2314219B (en) | 2000-03-15 |
AU728048B2 (en) | 2001-01-04 |
DK0902998T3 (da) | 2005-01-03 |
WO1997047064A1 (en) | 1997-12-11 |
GB2342516A (en) | 2000-04-12 |
GB9611623D0 (en) | 1996-08-07 |
EP0902998A1 (en) | 1999-03-24 |
GB2342516B (en) | 2000-07-05 |
PT902998E (pt) | 2005-01-31 |
NO985634L (no) | 1999-02-04 |
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