NL58762C - - Google Patents
Info
- Publication number
- NL58762C NL58762C NL58762DA NL58762C NL 58762 C NL58762 C NL 58762C NL 58762D A NL58762D A NL 58762DA NL 58762 C NL58762 C NL 58762C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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- 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
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- 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
- H02H7/055—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 for tapped transformers or tap-changing means thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE54149D DE742321C (de) | 1940-11-09 | 1940-11-09 | Einrichtung zur UEberwachung von Stufenregeleinrichtungen mit UEberschaltwiderstaenden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL58762C true NL58762C (cs) |
Family
ID=7081905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL58762D NL58762C (cs) | 1940-11-09 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE742321C (cs) |
| NL (1) | NL58762C (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1052556B (de) * | 1957-01-18 | 1959-03-12 | Siemens Ag | Anordnung zur UEberwachung der Einschaltdauer des UEberschalt-widerstandes bei Lastschaltern von Stufenregeleinrichtungen fuer Transformatoren |
| DE102007029905B4 (de) * | 2007-06-28 | 2009-07-02 | Areva Energietechnik Gmbh | Verfahren zum Betreiben eines elektrischen Transformators |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT80848B (de) * | 1917-10-05 | 1920-06-25 | Siemens Schuckertwerke Gmbh | Vorrichtung zum Kenntlichmachen von Spulenfehlern.Vorrichtung zum Kenntlichmachen von Spulenfehlern. |
| DE643057C (de) * | 1932-04-07 | 1937-03-30 | Bbc Brown Boveri & Cie | Einrichtung zum Anzeigen von Eisenschluss im Staender elektrischer Maschinen |
| DE649194C (de) * | 1933-08-30 | 1937-08-18 | Siemens Schuckertwerke Akt Ges | UEberstromwaermeausloeser zum Schutz gegen UEberlastung von Wechselstromzugmagneten,insbesondere Bremslueftmagneten |
| GB495888A (en) * | 1937-06-21 | 1938-11-22 | English Electric Co Ltd | Improvements in thermally responsive protective devices for electrical apparatus |
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0
- NL NL58762D patent/NL58762C/xx active
-
1940
- 1940-11-09 DE DEE54149D patent/DE742321C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE742321C (de) | 1943-11-29 |