GB398005A - Improvements in or relating to the protection of high tension dynamo electric machines - Google Patents
Improvements in or relating to the protection of high tension dynamo electric machinesInfo
- Publication number
- GB398005A GB398005A GB1899232A GB1899232A GB398005A GB 398005 A GB398005 A GB 398005A GB 1899232 A GB1899232 A GB 1899232A GB 1899232 A GB1899232 A GB 1899232A GB 398005 A GB398005 A GB 398005A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- breaker
- resistance
- short
- rowley
- 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
- 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
- H02H7/06—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 dynamo-electric generators; for synchronous capacitors
- H02H7/067—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 dynamo-electric generators; for synchronous capacitors on occurrence of a load dump
Abstract
398,005. Protective devices for dynamos. ENGLISH ELECTRIC CO., Ltd., 28, Kingsway, London, CALVERLEY, J. E., Crescent Road, Rowley Park, and NEWMAN, S. E., 45, Rowley Grove, both in Stafford. July 5, 1932, No. 18992. [Class 35.] An h.t. dynamoelectric generator 1 designed, as by a decompounding winding 3, to have a low termina voltage on short circuit and thus adapted to remair connected to its load, is placed ir circuit with overload-responsive means 4 operable to energize the trip-coil 11 of a circuit-breaker 5 which first inserts a discharge resistance 6 and then disconnects the field winding 2. Alternatively, the breaker may have a high resistance connected across its contacts before opening. In. Fig. 2, a motor 8 may be operated to insert all the resistance 7 and so reduce the short-circuit to a safe value. If desired, a field circuit-breaker, such as 5 in Fig. 1, may be operated subsequently to insertion of resistance 7. Both arrangements may be made self-restoring on return of relay 4 after the short-circuit has disappeared, provided the field circuit is not broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1899232A GB398005A (en) | 1932-07-05 | 1932-07-05 | Improvements in or relating to the protection of high tension dynamo electric machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1899232A GB398005A (en) | 1932-07-05 | 1932-07-05 | Improvements in or relating to the protection of high tension dynamo electric machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB398005A true GB398005A (en) | 1933-09-07 |
Family
ID=10121925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1899232A Expired GB398005A (en) | 1932-07-05 | 1932-07-05 | Improvements in or relating to the protection of high tension dynamo electric machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB398005A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486801A (en) * | 1980-11-10 | 1984-12-04 | Sundstrand Corporation | Generator shorted diode protection system |
-
1932
- 1932-07-05 GB GB1899232A patent/GB398005A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486801A (en) * | 1980-11-10 | 1984-12-04 | Sundstrand Corporation | Generator shorted diode protection system |
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