GB929568A - A control circuit for an electrically driven machine - Google Patents
A control circuit for an electrically driven machineInfo
- Publication number
- GB929568A GB929568A GB4123659A GB4123659A GB929568A GB 929568 A GB929568 A GB 929568A GB 4123659 A GB4123659 A GB 4123659A GB 4123659 A GB4123659 A GB 4123659A GB 929568 A GB929568 A GB 929568A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- control circuit
- machine
- electrically driven
- driven machine
- 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
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
Abstract
929,568. Protective cut-out arrangements. L. SCHULER A.G. Dec. 4, 1959 [Dec. 31, 1958], No. 41236/59. Class 38 (5). A protective arrangement for the control circuit of a machine comprises a relay having its operating coil ES connected between the machine frame 9 and one of the circuit conductors 2 so that a fault to the machine frame on the other conductor 1 causes the energizing of the relay which opens contacts esl in the control circuit to cause the interruption of the supply to the machine, opens contacts es2 to remove the frame connection from the relay and closes contacts es3 to complete a holding circuit for the relay and to light a lamp 10. A main switch 5 may be opened to cause the relay to restore. To protect both conductors from faults the arrangement may be duplicated.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESC025278 | 1958-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB929568A true GB929568A (en) | 1963-06-26 |
Family
ID=7430113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4123659A Expired GB929568A (en) | 1958-12-31 | 1959-12-04 | A control circuit for an electrically driven machine |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB929568A (en) |
-
1959
- 1959-12-04 GB GB4123659A patent/GB929568A/en not_active Expired
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