FR2334224A1 - CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATION - Google Patents
CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATIONInfo
- Publication number
- FR2334224A1 FR2334224A1 FR7537241A FR7537241A FR2334224A1 FR 2334224 A1 FR2334224 A1 FR 2334224A1 FR 7537241 A FR7537241 A FR 7537241A FR 7537241 A FR7537241 A FR 7537241A FR 2334224 A1 FR2334224 A1 FR 2334224A1
- Authority
- FR
- France
- Prior art keywords
- earth
- circuit
- current
- current conductor
- discharge tubes
- 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.)
- Granted
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
- H02H7/24—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 spark-gap arresters
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The protection circuit has at least one discharge tube (5, 5'), which discharge tubes are connected between earth and a current conductor or which are connected between earth and in each case one current conductor (1, 2). In order effectively to protect sensitive components in the loads which are connected to the domestic installation, the connection of the discharge tube between earth and a current conductor is inserted downstream of the main switch (4) and upstream of the first load. In the event of overvoltages above a threshold value which is larger than temporary interference voltages in normal operation, but less than the maximum permissible voltage for the sensitive components, the discharge tubes (5, 5') trigger without any delay and short-circuit the current conductors via earth. The main switch (4) interrupts this short-circuit current and disconnects the discharge tubes and loads from the distribution line.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7537241A FR2334224A1 (en) | 1975-12-05 | 1975-12-05 | CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATION |
DE19762652234 DE2652234A1 (en) | 1975-12-05 | 1976-11-16 | ELECTRICAL INSTALLATION NETWORK WITH A PROTECTIVE CIRCUIT AGAINST OVERVOLTAGE |
IT2987576A IT1064522B (en) | 1975-12-05 | 1976-11-29 | CIRCUIT AND DEVICE TO PROTECT AN ELECTRIC USER INSTALLATION |
CH1502776A CH612045A5 (en) | 1975-12-05 | 1976-11-30 | Protection circuit in an electrical domestic installation, for protection of the loads against overvoltages supplied on a distribution line |
BE2055502A BE848970A (en) | 1975-12-05 | 1976-12-02 | CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7537241A FR2334224A1 (en) | 1975-12-05 | 1975-12-05 | CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2334224A1 true FR2334224A1 (en) | 1977-07-01 |
FR2334224B1 FR2334224B1 (en) | 1980-04-18 |
Family
ID=9163353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7537241A Granted FR2334224A1 (en) | 1975-12-05 | 1975-12-05 | CIRCUIT AND DEVICE FOR PROTECTING A SUBSCRIBER'S ELECTRICAL INSTALLATION |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE848970A (en) |
CH (1) | CH612045A5 (en) |
DE (1) | DE2652234A1 (en) |
FR (1) | FR2334224A1 (en) |
IT (1) | IT1064522B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2470466A1 (en) * | 1979-11-23 | 1981-05-29 | Claude | Mains overvoltage protector - uses magnetic core balance operated by break-over devices connected to earth and coil detecting resulting core flux |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353066A (en) * | 1965-09-17 | 1967-11-14 | Joslyn Mfg & Supply Co | Surge protection circuit |
US3648166A (en) * | 1968-02-28 | 1972-03-07 | Westinghouse Electric Corp | Electrical device having current limiter and spark gap |
-
1975
- 1975-12-05 FR FR7537241A patent/FR2334224A1/en active Granted
-
1976
- 1976-11-16 DE DE19762652234 patent/DE2652234A1/en not_active Withdrawn
- 1976-11-29 IT IT2987576A patent/IT1064522B/en active
- 1976-11-30 CH CH1502776A patent/CH612045A5/en not_active IP Right Cessation
- 1976-12-02 BE BE2055502A patent/BE848970A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353066A (en) * | 1965-09-17 | 1967-11-14 | Joslyn Mfg & Supply Co | Surge protection circuit |
US3648166A (en) * | 1968-02-28 | 1972-03-07 | Westinghouse Electric Corp | Electrical device having current limiter and spark gap |
Non-Patent Citations (1)
Title |
---|
NV2198/73 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2470466A1 (en) * | 1979-11-23 | 1981-05-29 | Claude | Mains overvoltage protector - uses magnetic core balance operated by break-over devices connected to earth and coil detecting resulting core flux |
Also Published As
Publication number | Publication date |
---|---|
DE2652234A1 (en) | 1977-06-16 |
IT1064522B (en) | 1985-02-18 |
BE848970A (en) | 1977-06-02 |
CH612045A5 (en) | 1979-06-29 |
FR2334224B1 (en) | 1980-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |