IT1235659B - Procedimento e dispositivo per la protezione dal sovraccarico e cortocircuito degli attuatori d'uscita - Google Patents
Procedimento e dispositivo per la protezione dal sovraccarico e cortocircuito degli attuatori d'uscitaInfo
- Publication number
- IT1235659B IT1235659B IT8912525A IT1252589A IT1235659B IT 1235659 B IT1235659 B IT 1235659B IT 8912525 A IT8912525 A IT 8912525A IT 1252589 A IT1252589 A IT 1252589A IT 1235659 B IT1235659 B IT 1235659B
- Authority
- IT
- Italy
- Prior art keywords
- overload
- procedure
- protection
- short circuit
- output actuators
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/573—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electronic Switches (AREA)
- Dc-Dc Converters (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI883025A FI89316C (fi) | 1988-06-23 | 1988-06-23 | Anordning foer styrning av terminalstyrdon |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8912525A0 IT8912525A0 (it) | 1989-06-21 |
IT1235659B true IT1235659B (it) | 1992-09-18 |
Family
ID=8526713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8912525A IT1235659B (it) | 1988-06-23 | 1989-06-21 | Procedimento e dispositivo per la protezione dal sovraccarico e cortocircuito degli attuatori d'uscita |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN1026642C (it) |
DE (1) | DE3920658C2 (it) |
ES (1) | ES2013198A6 (it) |
FI (1) | FI89316C (it) |
IT (1) | IT1235659B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT398865B (de) * | 1990-09-19 | 1995-02-27 | E Z I Entwicklungszentrum Fuer | Strombegrenzungsschaltung |
DE4117122A1 (de) * | 1991-05-25 | 1992-11-26 | Abb Patent Gmbh | Schaltung zur steuerung eines wechselstromes |
SE509969C2 (sv) * | 1996-08-02 | 1999-03-29 | Ericsson Telefon Ab L M | Anordning och förfarande för räkning av flanker på elektriska pulser |
EA201291127A1 (ru) * | 2010-06-03 | 2013-05-30 | Гвадалупе Гильдардо Бланко Баррера | Автоматическое автономное электронное устройство для раннего обнаружения короткого замыкания |
CN108857589A (zh) * | 2018-06-26 | 2018-11-23 | 南通大学 | 一种磁流变抛光设备的磁极调节单元保护系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2352695A1 (de) * | 1973-10-20 | 1975-04-30 | Bosch Gmbh Robert | Schaltanordnung fuer einen elektromotor |
DE3338764A1 (de) * | 1983-10-26 | 1985-05-09 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zum ein- und ausschalten und ueberwachen elektrischer verbraucher |
DE3432680A1 (de) * | 1984-09-05 | 1986-03-13 | Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim | Schutzschaltung gegen ueberlast und kurzschluss |
-
1988
- 1988-06-23 FI FI883025A patent/FI89316C/fi not_active IP Right Cessation
-
1989
- 1989-06-21 IT IT8912525A patent/IT1235659B/it active
- 1989-06-22 ES ES8902198A patent/ES2013198A6/es not_active Expired - Fee Related
- 1989-06-23 DE DE3920658A patent/DE3920658C2/de not_active Expired - Fee Related
- 1989-06-23 CN CN89104380.2A patent/CN1026642C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3920658C2 (de) | 1998-07-16 |
DE3920658A1 (de) | 1989-12-28 |
CN1026642C (zh) | 1994-11-16 |
ES2013198A6 (es) | 1990-04-16 |
IT8912525A0 (it) | 1989-06-21 |
FI89316C (fi) | 1993-09-10 |
FI883025A0 (fi) | 1988-06-23 |
CN1038725A (zh) | 1990-01-10 |
FI883025A (fi) | 1989-12-24 |
FI89316B (fi) | 1993-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |