IT998858B - Pannello interruttore di circuito con protezione incorporata dai guasti dovuti a terra accidentale - Google Patents
Pannello interruttore di circuito con protezione incorporata dai guasti dovuti a terra accidentaleInfo
- Publication number
- IT998858B IT998858B IT30427/73A IT3042773A IT998858B IT 998858 B IT998858 B IT 998858B IT 30427/73 A IT30427/73 A IT 30427/73A IT 3042773 A IT3042773 A IT 3042773A IT 998858 B IT998858 B IT 998858B
- Authority
- IT
- Italy
- Prior art keywords
- circuit switch
- switch panel
- failures due
- accidental ground
- incorporated protection
- Prior art date
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
- H02H3/26—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
- H02H3/331—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 responsive to earthing of the neutral conductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Distribution Board (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29981672A | 1972-10-24 | 1972-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT998858B true IT998858B (it) | 1976-02-20 |
Family
ID=23156417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT30427/73A IT998858B (it) | 1972-10-24 | 1973-10-23 | Pannello interruttore di circuito con protezione incorporata dai guasti dovuti a terra accidentale |
Country Status (7)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869649A (en) * | 1973-04-13 | 1975-03-04 | Gen Electric | Electrical protective panel assembly with sensitive ground fault protecting means |
| US3932825A (en) * | 1974-04-09 | 1976-01-13 | Federal Pacific Electric Company | Current limiting circuit breaker system |
| US3908154A (en) * | 1974-09-13 | 1975-09-23 | Ite Imperial Corp | Two pole ground fault circuit protector |
| US4172271A (en) * | 1978-05-08 | 1979-10-23 | General Electric Company | Fusible circuit interrupter with ground fault circuit protection |
| US5206777A (en) * | 1991-09-23 | 1993-04-27 | Eaton Corporation | Three-phase panelboard using standard rated three-pole circuit protective devices in a grounded delta system |
| JP5905779B2 (ja) * | 2012-06-13 | 2016-04-20 | 株式会社日立製作所 | 抵抗器及びそれを備えたスイッチギヤ |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3611035A (en) * | 1970-06-08 | 1971-10-05 | Rucker Co | Ground fault protective system having grounded neutral protection |
-
1972
- 1972-10-24 US US00299816A patent/US3745415A/en not_active Expired - Lifetime
-
1973
- 1973-10-02 ZA ZA737947*A patent/ZA737947B/xx unknown
- 1973-10-22 JP JP48118847A patent/JPS5242459B2/ja not_active Expired
- 1973-10-23 CA CA184,007A patent/CA995807A/en not_active Expired
- 1973-10-23 GB GB4929273A patent/GB1429065A/en not_active Expired
- 1973-10-23 FR FR7337798A patent/FR2204063B1/fr not_active Expired
- 1973-10-23 IT IT30427/73A patent/IT998858B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US3745415A (en) | 1973-07-10 |
| JPS5242459B2 (US08118993-20120221-C00002.png) | 1977-10-25 |
| JPS4993841A (US08118993-20120221-C00002.png) | 1974-09-06 |
| FR2204063B1 (US08118993-20120221-C00002.png) | 1976-10-01 |
| FR2204063A1 (US08118993-20120221-C00002.png) | 1974-05-17 |
| CA995807A (en) | 1976-08-24 |
| GB1429065A (en) | 1976-03-24 |
| ZA737947B (en) | 1974-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR6804672D0 (pt) | Instalacao de circuito de sintonia | |
| IT1058421B (it) | Dispositivo interruttore di gua tiverso terra | |
| IT994245B (it) | Circuito elettronico di protezione per rivelare un collegamento a terra | |
| BR7306282D0 (pt) | Circuito de deflexao | |
| BR7502477A (pt) | Aparelho bipolar de protecao para circuito de falha de terra | |
| IT990205B (it) | Circuito a transistori | |
| BR6914262D0 (pt) | Um interruptor de circuito | |
| IT998858B (it) | Pannello interruttore di circuito con protezione incorporata dai guasti dovuti a terra accidentale | |
| BR7309737D0 (pt) | Aperfeicoamentos em circuito de protecao | |
| BR7309759D0 (pt) | Circuito soncronizador retardador de desligamento | |
| BR7208403D0 (pt) | Circuito processador desinais | |
| BR7307907D0 (pt) | Disposicao de comutacao de isolamento de circuito | |
| BR7307350D0 (pt) | Circuito de comutacao | |
| IT983947B (it) | Circuito commutatore a transistori | |
| DD123030A5 (de) | Auf waerme ansprechendes schnapp-betaetigungsorgan | |
| IT1038130B (it) | Circuito di protezione da correnti continue | |
| IT1001702B (it) | Struttura a circuito integrato perfezionata | |
| IT988885B (it) | Dispositivo di protezione a rele sensibile al guasto di un inter ruttore principale | |
| IT984114B (it) | Circuito di protezione | |
| BE762841A (fr) | Commutateur electrique a commande a distance | |
| IT997837B (it) | Interruttore o ruttore di circuito | |
| IT1031998B (it) | Circuito generatore di segnali | |
| IT1031383B (it) | Circuito di protezione | |
| DK134168C (da) | Automatisk afbryder navnlig beskyttelsesafbryder | |
| IT956338B (it) | Circuito di protezione |