IT1085308B - Dispositivo per proteggere un motore a corrente alternata contro le correnti anormali - Google Patents
Dispositivo per proteggere un motore a corrente alternata contro le correnti anormaliInfo
- Publication number
- IT1085308B IT1085308B IT19883/77A IT1988377A IT1085308B IT 1085308 B IT1085308 B IT 1085308B IT 19883/77 A IT19883/77 A IT 19883/77A IT 1988377 A IT1988377 A IT 1988377A IT 1085308 B IT1085308 B IT 1085308B
- Authority
- IT
- Italy
- Prior art keywords
- protect
- alternating current
- current motor
- motor against
- against abnormal
- 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
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
-
- 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
- H02H3/08—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 excess current
- H02H3/083—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 excess current for three-phase systems
-
- 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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
-
- 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
- H02H7/08—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 dynamo-electric motors
- H02H7/085—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 dynamo-electric motors against excessive load
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/654,423 US4048663A (en) | 1977-10-10 | 1976-02-02 | Solid state overload relay transformer circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1085308B true IT1085308B (it) | 1985-05-28 |
Family
ID=24624784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19883/77A IT1085308B (it) | 1976-02-02 | 1977-02-02 | Dispositivo per proteggere un motore a corrente alternata contro le correnti anormali |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU515384B2 (it) |
DE (1) | DE2704337A1 (it) |
FR (1) | FR2339979A1 (it) |
GB (1) | GB1555214A (it) |
IT (1) | IT1085308B (it) |
ZA (1) | ZA77581B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920055A1 (de) * | 1979-05-18 | 1980-11-27 | Barmag Barmer Maschf | Antriebseinrichtung, bestehend aus mehreren drehstrommotoren |
FR2544352B2 (fr) * | 1982-12-30 | 1986-01-24 | Esswein Sa | Lave-linge a energie de brassage du linge variable en fonction du couple resistant s'opposant au moteur d'entrainement du tambour |
EP0090716B1 (fr) * | 1982-03-26 | 1986-02-26 | Esswein S.A. | Lave-linge à moteur d'entraînement du tambour de puissance réduite |
DE10148815A1 (de) * | 2001-10-02 | 2003-04-10 | Abb Patent Gmbh | Verfahren und Einrichtung zur Stromwertermittlung unter Einsatz eines Stromwandlers, welcher im Bereich der Kernsättigung arbeitet |
DE102020125923A1 (de) | 2020-10-04 | 2022-04-07 | EPA GmbH | Absorptionsfilter sowie Verfahren zur Herstellung eines solchen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1961686B2 (de) * | 1969-12-02 | 1979-05-31 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | UEberstromschutzrelais fuer Wechselstromnetze |
DE2150948B2 (en) * | 1971-10-13 | 1975-04-03 | Josef Dumser Schaltanlagenbau, 6745 Offenbach | Temp.-independent current limiter for three-phase supplies - compares phase-line signal evaluators output with remotely-set reference |
GB1459176A (en) * | 1972-11-01 | 1976-12-22 | Square D Co | Overcurrent protective apparatus for a power circuit |
US3846675A (en) * | 1973-01-30 | 1974-11-05 | Westinghouse Electric Corp | Molded case circuit breakers utilizing saturating current transformers |
US3875464A (en) * | 1973-10-10 | 1975-04-01 | Westinghouse Electric Corp | Solid state overload relay |
-
1977
- 1977-02-02 ZA ZA770581A patent/ZA77581B/xx unknown
- 1977-02-02 DE DE19772704337 patent/DE2704337A1/de active Granted
- 1977-02-02 GB GB4297/77A patent/GB1555214A/en not_active Expired
- 1977-02-02 IT IT19883/77A patent/IT1085308B/it active
- 1977-02-02 FR FR7702840A patent/FR2339979A1/fr active Granted
- 1977-10-10 AU AU29514/77A patent/AU515384B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1555214A (en) | 1979-11-07 |
AU515384B2 (en) | 1981-04-02 |
AU2951477A (en) | 1979-04-26 |
DE2704337A1 (de) | 1977-08-04 |
FR2339979A1 (fr) | 1977-08-26 |
FR2339979B1 (it) | 1984-02-03 |
ZA77581B (en) | 1977-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1087753B (it) | Apparato per stabilizzare un sistema azionatore di motore elettrico a corrente alternata | |
IT1074403B (it) | Motore elettrico ad induzione | |
AR212710A1 (es) | Dispositivo generador de fuerza motriz electrica | |
AR210293A1 (es) | Un dispositivo protector de motor electrico | |
SE431495B (sv) | Elektrisk vexelstromsmotor | |
IT1061723B (it) | Alternatore elettrico polifase | |
BE825905A (fr) | Machine dynamo electrique | |
IT1097872B (it) | Motore elettrico raffreddato ad aria | |
IT1085308B (it) | Dispositivo per proteggere un motore a corrente alternata contro le correnti anormali | |
IT1041231B (it) | Dispositvio limitatore di correnti in particolare per protezione contro cortocircuiti | |
IT1063164B (it) | Circuito elettrico di protezione..particolarmente per motori trifase | |
IT1125775B (it) | Motore elettrico a rotore esterno | |
FR2277513A7 (fr) | Dispositif de protection du rotor d'une machine electrique | |
IT1049038B (it) | Dispositivo di protezione contro i sovraccarichi di corrente | |
IT1083108B (it) | Dispositivo limitatore di corrente per motori elettrici a corrente alternata | |
IT1083037B (it) | Dispositivo limitatore di corrente elettrica | |
IT1017961B (it) | Carcassa per un motore elettrico a corrente alternata di piccole dimensioni | |
FR2368816B1 (fr) | Generateur triphase perfectionne | |
IT1050044B (it) | Dispositivo di sicurezza per un generatore di corrente su una spoletta elettrica di proiettile | |
AT345375B (de) | Elektrischer sicherheitsschalter | |
JPS52147725A (en) | Overvoltage protector for electric device | |
IT1050336B (it) | Generatore a corrente alternata | |
IT1052024B (it) | Motore trifase regolato | |
SE7514391L (sv) | Overvakningsanordning for statorjordslutning | |
IT1044297B (it) | Protezione contro il surriscaldamento per accendisigari elettrici |