FR881385A - Transformateur à échelons - Google Patents
Transformateur à échelonsInfo
- Publication number
- FR881385A FR881385A FR881385DA FR881385A FR 881385 A FR881385 A FR 881385A FR 881385D A FR881385D A FR 881385DA FR 881385 A FR881385 A FR 881385A
- Authority
- FR
- France
- Prior art keywords
- step transformer
- transformer
- 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
Links
Classifications
-
- 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
- H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the AC cycle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE236654X | 1941-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR881385A true FR881385A (fr) | 1943-04-22 |
Family
ID=5902674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR881385D Expired FR881385A (fr) | 1941-03-28 | 1942-04-21 | Transformateur à échelons |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE445214A (enrdf_load_html_response) |
| CH (1) | CH236654A (enrdf_load_html_response) |
| FR (1) | FR881385A (enrdf_load_html_response) |
| NL (1) | NL105683B (enrdf_load_html_response) |
-
0
- NL NL105683D patent/NL105683B/xx unknown
- BE BE445214D patent/BE445214A/xx unknown
-
1942
- 1942-03-26 CH CH236654D patent/CH236654A/de unknown
- 1942-04-21 FR FR881385D patent/FR881385A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL105683B (enrdf_load_html_response) | |
| CH236654A (de) | 1945-02-28 |
| BE445214A (enrdf_load_html_response) |
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