DE2418073A1 - Vorrichtung zum trennen einer elektrischen last von einer strom- oder spannungsquelle - Google Patents
Vorrichtung zum trennen einer elektrischen last von einer strom- oder spannungsquelleInfo
- Publication number
- DE2418073A1 DE2418073A1 DE19742418073 DE2418073A DE2418073A1 DE 2418073 A1 DE2418073 A1 DE 2418073A1 DE 19742418073 DE19742418073 DE 19742418073 DE 2418073 A DE2418073 A DE 2418073A DE 2418073 A1 DE2418073 A1 DE 2418073A1
- Authority
- DE
- Germany
- Prior art keywords
- switch
- load
- current
- transistor
- conductor
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000005284 excitation Effects 0.000 claims description 13
- 230000007935 neutral effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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
- H02H3/14—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 occurrence of voltage on parts normally at earth potential
-
- 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
- H02H3/167—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 combined with other earth-fault protective arrangements
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7412600A FR2267646A1 (en) | 1974-04-13 | 1974-04-10 | Electronic protection circuit against electric shock - has transistor fed contactor coil switched by earth current level |
| DE19742418073 DE2418073A1 (de) | 1974-04-13 | 1974-04-13 | Vorrichtung zum trennen einer elektrischen last von einer strom- oder spannungsquelle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742418073 DE2418073A1 (de) | 1974-04-13 | 1974-04-13 | Vorrichtung zum trennen einer elektrischen last von einer strom- oder spannungsquelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2418073A1 true DE2418073A1 (de) | 1975-10-30 |
Family
ID=5912907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742418073 Pending DE2418073A1 (de) | 1974-04-13 | 1974-04-13 | Vorrichtung zum trennen einer elektrischen last von einer strom- oder spannungsquelle |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2418073A1 (enExample) |
| FR (1) | FR2267646A1 (enExample) |
-
1974
- 1974-04-10 FR FR7412600A patent/FR2267646A1/fr active Granted
- 1974-04-13 DE DE19742418073 patent/DE2418073A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2267646A1 (en) | 1975-11-07 |
| FR2267646B3 (enExample) | 1977-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |