IT1221839B - Controllo attivo della sovratensione nel pilotaggio di carichi induttivi - Google Patents
Controllo attivo della sovratensione nel pilotaggio di carichi induttiviInfo
- Publication number
- IT1221839B IT1221839B IT83662/87A IT8366287A IT1221839B IT 1221839 B IT1221839 B IT 1221839B IT 83662/87 A IT83662/87 A IT 83662/87A IT 8366287 A IT8366287 A IT 8366287A IT 1221839 B IT1221839 B IT 1221839B
- Authority
- IT
- Italy
- Prior art keywords
- piloting
- overvoltage
- active control
- inductive loads
- inductive
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
- H02H9/047—Free-wheeling circuits
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT83662/87A IT1221839B (it) | 1987-10-09 | 1987-10-09 | Controllo attivo della sovratensione nel pilotaggio di carichi induttivi |
DE3887951T DE3887951T2 (de) | 1987-10-09 | 1988-10-04 | Aktive Überspannungsüberwachung für den Betrieb einer induktiven Last. |
EP88830401A EP0311576B1 (en) | 1987-10-09 | 1988-10-04 | Active overvoltage control for inductive load driving |
US07/254,763 US4882532A (en) | 1987-10-09 | 1988-10-07 | Active overvoltage control for inductive load driving |
JP63253611A JP2719677B2 (ja) | 1987-10-09 | 1988-10-07 | 誘導負荷駆動のための能動過電圧コントロール回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT83662/87A IT1221839B (it) | 1987-10-09 | 1987-10-09 | Controllo attivo della sovratensione nel pilotaggio di carichi induttivi |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8783662A0 IT8783662A0 (it) | 1987-10-09 |
IT1221839B true IT1221839B (it) | 1990-07-12 |
Family
ID=11323717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT83662/87A IT1221839B (it) | 1987-10-09 | 1987-10-09 | Controllo attivo della sovratensione nel pilotaggio di carichi induttivi |
Country Status (5)
Country | Link |
---|---|
US (1) | US4882532A (it) |
EP (1) | EP0311576B1 (it) |
JP (1) | JP2719677B2 (it) |
DE (1) | DE3887951T2 (it) |
IT (1) | IT1221839B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180964A (en) * | 1990-03-28 | 1993-01-19 | Ewing Gerald D | Zero-voltage switched FM-PWM converter |
DE4215980A1 (de) * | 1992-05-14 | 1993-11-18 | Siemens Ag | Aktives Freilaufelement |
JPH06209592A (ja) * | 1992-11-03 | 1994-07-26 | Texas Instr Deutschland Gmbh | 誘導性負荷を給電する回路構成 |
EP0690898B1 (de) * | 1993-03-24 | 1997-12-29 | Siemens Aktiengesellschaft | Schaltungsanordnung zum Schutz eines ein- und auschaltbaren Leistungshalbleiterschalters vor Überspannungen |
EP0622717B1 (en) * | 1993-04-30 | 1998-12-30 | STMicroelectronics S.r.l. | Temperature stable circuit for recycling discharge current during the driving of an inductive load |
US5398148A (en) * | 1993-05-14 | 1995-03-14 | Chrysler Corporation | Protection circuit for high side drivers |
US5610079A (en) * | 1995-06-19 | 1997-03-11 | Reliance Electric Industrial Company | Self-biased moat for parasitic current suppression in integrated circuits |
EP0757389B1 (en) * | 1995-07-31 | 2001-09-26 | STMicroelectronics S.r.l. | High voltage driver circuit for inductive loads |
DE19742391C1 (de) * | 1997-09-25 | 1998-11-26 | Siemens Ag | Verfahren und Vorrichtung zum Schutz von einem oder mehreren, an ein Kraftfahrzeug-Bordnetz angeschlossenen Kraftfahrzeug-Steuergeräten gegenüber Überspannungsimpulsen |
WO2002084837A1 (en) * | 2001-04-12 | 2002-10-24 | Siemens Vdo Automotive Corporation | Method and system for protecting electronics mounted on a vehicle |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2223376C3 (de) * | 1972-05-12 | 1975-01-23 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schutzschaltungsanordnung für einen Schatttransistor im induktiven Lastkreis |
JPS5579679A (en) * | 1978-12-08 | 1980-06-16 | Hitachi Ltd | Controller for transistor chopper |
IT1151378B (it) * | 1982-03-30 | 1986-12-17 | Fiar Spa | Dispositivo elettronico di controllo della tensione |
US4566052A (en) * | 1982-07-28 | 1986-01-21 | Reliance Electric Company | Overvoltage protection circuit for power supply |
US4727308A (en) * | 1986-08-28 | 1988-02-23 | International Business Machines Corporation | FET power converter with reduced switching loss |
-
1987
- 1987-10-09 IT IT83662/87A patent/IT1221839B/it active
-
1988
- 1988-10-04 EP EP88830401A patent/EP0311576B1/en not_active Expired - Lifetime
- 1988-10-04 DE DE3887951T patent/DE3887951T2/de not_active Expired - Fee Related
- 1988-10-07 US US07/254,763 patent/US4882532A/en not_active Expired - Lifetime
- 1988-10-07 JP JP63253611A patent/JP2719677B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0311576B1 (en) | 1994-02-23 |
EP0311576A2 (en) | 1989-04-12 |
JPH01128107A (ja) | 1989-05-19 |
DE3887951T2 (de) | 1994-05-26 |
US4882532A (en) | 1989-11-21 |
JP2719677B2 (ja) | 1998-02-25 |
EP0311576A3 (en) | 1991-01-09 |
IT8783662A0 (it) | 1987-10-09 |
DE3887951D1 (de) | 1994-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2564927B1 (fr) | Verin | |
DE68925085D1 (de) | Laststeuerungssystem | |
DK411788D0 (da) | Hydraulisk styreregulator | |
IT1183596B (it) | Sistema priotitario sensibile aicarichi con controllo della condizione di bipasso | |
IT8622143A1 (it) | Valvola di controllo | |
KR880700333A (ko) | 수치 제어 시스템 | |
KR890010512U (ko) | 액티브 서스펜션 제어장치 | |
DK68086A (da) | Hydraulisk styreblok | |
PT88330A (pt) | Circuit for controlling inductive loads particulary for the operation of the electro-injectors of a diesel-engine | |
IT1221839B (it) | Controllo attivo della sovratensione nel pilotaggio di carichi induttivi | |
KR870004898A (ko) | 파지기부리프팅 마그넷 유닛 | |
KR860004797A (ko) | 엘리베이터의 제어장치 | |
FI862023A (fi) | Kontrollanordning i malmaskin. | |
FI894456A0 (fi) | Piiri kapasitiivisen kuorman ohjaamiseksi | |
IT1185258B (it) | Elemento di pilotaggio per carichi induttivi | |
PT83631A (pt) | Estrutura de valvula de reducao | |
IT1198489B (it) | Valvola di controllo elettromagnetica | |
FR2591677B1 (fr) | Verin bi-pression | |
KR880700342A (ko) | 수치 제어 방법 | |
IT1195345B (it) | Valvola di controllo | |
FR2566847B1 (fr) | Verin | |
KR890016227U (ko) | 차량 정비용 리프트의 유압회로 | |
ATA242384A (de) | Maschinenhausloser aufzug | |
DK266286A (da) | Kran | |
AT387638B (de) | Schaltungsanordnung zur begrenzung von druckstossbelastungen von hydraulischen fernleitungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971030 |