CH619328A5 - Safety device for detecting defects in an electrical supply circuit - Google Patents
Safety device for detecting defects in an electrical supply circuit Download PDFInfo
- Publication number
- CH619328A5 CH619328A5 CH119176A CH119176A CH619328A5 CH 619328 A5 CH619328 A5 CH 619328A5 CH 119176 A CH119176 A CH 119176A CH 119176 A CH119176 A CH 119176A CH 619328 A5 CH619328 A5 CH 619328A5
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit
- transistor
- current
- relay
- supply
- Prior art date
Links
- 230000007547 defect Effects 0.000 title abstract 2
- 230000007935 neutral effect Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 7
- 238000010292 electrical insulation Methods 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000002950 deficient Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity 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
- H02H3/16—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
- H02H3/162—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 for AC systems
- H02H3/165—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 for AC systems for three-phase systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7503653A FR2299750A1 (fr) | 1975-01-31 | 1975-01-31 | Dispositif de securite pour la |
| FR7539397A FR2335079A2 (fr) | 1975-12-12 | 1975-12-12 | Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH619328A5 true CH619328A5 (en) | 1980-09-15 |
Family
ID=26218717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH119176A CH619328A5 (en) | 1975-01-31 | 1976-01-30 | Safety device for detecting defects in an electrical supply circuit |
Country Status (12)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2659744B1 (fr) * | 1990-03-16 | 1992-07-24 | Thomson Csf | Dispositif de detection de defauts d'isolement electrique pour installation sous tension. |
-
1976
- 1976-01-29 NL NL7600903A patent/NL7600903A/xx not_active Application Discontinuation
- 1976-01-30 GB GB3714/76A patent/GB1547221A/en not_active Expired
- 1976-01-30 AT AT67376A patent/AT355656B/de not_active IP Right Cessation
- 1976-01-30 DE DE19762603632 patent/DE2603632A1/de not_active Ceased
- 1976-01-30 DK DK39876*#A patent/DK39876A/da not_active Application Discontinuation
- 1976-01-30 CH CH119176A patent/CH619328A5/fr not_active IP Right Cessation
- 1976-01-30 SE SE7601031A patent/SE413702B/xx unknown
- 1976-01-31 OA OA55725A patent/OA05231A/xx unknown
- 1976-02-02 AU AU10739/76A patent/AU501224B2/en not_active Expired
- 1976-02-02 CA CA244,777A patent/CA1066358A/en not_active Expired
- 1976-02-02 BR BR7600661A patent/BR7600661A/pt unknown
- 1976-03-05 IN IN400/CAL/76A patent/IN145145B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA67376A (de) | 1979-08-15 |
| AU1073976A (en) | 1977-08-11 |
| SE7601031L (sv) | 1976-08-02 |
| BR7600661A (pt) | 1976-08-31 |
| CA1066358A (en) | 1979-11-13 |
| DK39876A (da) | 1976-08-01 |
| OA05231A (fr) | 1981-02-28 |
| AU501224B2 (en) | 1979-06-14 |
| AT355656B (de) | 1980-03-10 |
| DE2603632A1 (de) | 1976-08-05 |
| IN145145B (enrdf_load_stackoverflow) | 1978-09-02 |
| GB1547221A (en) | 1979-06-06 |
| NL7600903A (nl) | 1976-08-03 |
| SE413702B (sv) | 1980-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0815630B2 (fr) | Appareil electrique de protection differentielle a circuit test | |
| EP0275756A1 (fr) | Détecteur de proximité entre une masse métallique et un élément sous tension électrique | |
| FR2465341A1 (fr) | Appareil et procede de protection d'un moteur electrique | |
| EP3035473B1 (fr) | Système de traction électrique pour un véhicule ferroviaire ; procédé de mise en sécurité mis en oeuvre par ce système | |
| CH563893A5 (enrdf_load_stackoverflow) | ||
| FR2527409A1 (fr) | Dispositif pour la detection a distance d'une lampe grillee dans une installation d'eclairage avec une pluralite de lampes en parallele | |
| EP3300541B1 (fr) | Dispositif de protection différentielle avec une fonction coupe-feu | |
| EP0060790B1 (fr) | Perfectionnements aux disjoncteurs sensibles aux courants de fuite | |
| EP0390698B1 (fr) | Système de commande de dégivrage en surtension d'un pare-brise électrique de véhicule automobile | |
| CH618273A5 (enrdf_load_stackoverflow) | ||
| FR2643195A1 (fr) | Procede et dispositif de protection d'un circuit ou reseau electrique a l'aide d'un disjoncteur a courant differentiel | |
| CH619328A5 (en) | Safety device for detecting defects in an electrical supply circuit | |
| FR2870986A1 (fr) | Dispositif de commande de relais pour appareil electrique en courant continu | |
| EP0180506B1 (fr) | Dispositif de sécurité pour appareil de protection différentielle | |
| FR2538179A1 (fr) | Declencheur differentiel residuel a detection de variation d'etat | |
| EP1106420B1 (fr) | Relais de protection électrique | |
| FR2581488A1 (fr) | Perfectionnement aux alimentations en courant alternatif non susceptibles d'etre interrompues | |
| CH632093A5 (fr) | Circuit de controle de mise a la terre. | |
| EP0813283B1 (fr) | Dispositif de protection différentielle immunisé contre les déclenchements intempestifs | |
| FR2466890A1 (fr) | Dispositif de branchement pour des appareils utilisateurs electriques | |
| WO2019091739A1 (fr) | Dispositif de protection différentielle avec filtrage de la porteuse du signal d'excitation | |
| EP0176434B1 (fr) | Dispositif de commande de condamnation des portières et autres panneaux mobiles d'un véhicule automobile | |
| FR2737057A1 (fr) | Circuit de communication a signalisation de defaut et module de test associe | |
| FR2515437A2 (fr) | Dispositif de coupure et de signalisation pour assurer la securite sur un appareil, une machine ou une installation electrique contre les contacts directs ou indirects | |
| FR2659744A1 (fr) | Dispositif de detection de defauts d'isolement electrique pour installation sous tension. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |