IT8785617A0 - Circuito per l'alimentazione in regime impulsivo di elettromagneti corazzati di trazione e trattenuta ed elettromagneti alimentati con tale circuito. - Google Patents
Circuito per l'alimentazione in regime impulsivo di elettromagneti corazzati di trazione e trattenuta ed elettromagneti alimentati con tale circuito.Info
- Publication number
- IT8785617A0 IT8785617A0 IT8785617A IT8561787A IT8785617A0 IT 8785617 A0 IT8785617 A0 IT 8785617A0 IT 8785617 A IT8785617 A IT 8785617A IT 8561787 A IT8561787 A IT 8561787A IT 8785617 A0 IT8785617 A0 IT 8785617A0
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- electromagnets
- armored
- traction
- powered
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
- H01F7/1838—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current by switching-in or -out impedance
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT85617/87A IT1222350B (it) | 1987-10-13 | 1987-10-13 | Circuito per l'alimentazione in regime impulsivo di elettromagneti corazzati di trazione e trattenuta ed elettromagneti alimentati con tale circuito |
EP88116901A EP0311998A1 (en) | 1987-10-13 | 1988-10-12 | Circuit for the impulse-rate feeding of armoured electromagnets and electromagnets fed by such circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT85617/87A IT1222350B (it) | 1987-10-13 | 1987-10-13 | Circuito per l'alimentazione in regime impulsivo di elettromagneti corazzati di trazione e trattenuta ed elettromagneti alimentati con tale circuito |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8785617A0 true IT8785617A0 (it) | 1987-10-13 |
IT1222350B IT1222350B (it) | 1990-09-05 |
Family
ID=11329059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT85617/87A IT1222350B (it) | 1987-10-13 | 1987-10-13 | Circuito per l'alimentazione in regime impulsivo di elettromagneti corazzati di trazione e trattenuta ed elettromagneti alimentati con tale circuito |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0311998A1 (it) |
IT (1) | IT1222350B (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111864616A (zh) * | 2020-06-22 | 2020-10-30 | 深圳供电局有限公司 | 显示设备控制电路和五防闭锁系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2290009A1 (fr) * | 1974-10-28 | 1976-05-28 | Telemecanique Electrique | Circuits d'alimentation d'electro-aimants et electro-aimants comprenant ces circuits |
DE2545878A1 (de) * | 1975-10-14 | 1977-04-21 | Philips Patentverwaltung | Schaltungsvorrichtung zur ansteuerung eines wechselstrombetaetigten magneten mit gleichstrom |
JPS5788707A (en) * | 1980-11-21 | 1982-06-02 | Mitsubishi Electric Corp | Ac electromagnet device |
GB8425120D0 (en) * | 1984-10-04 | 1984-11-07 | Vent Axia Ltd | Dc solenoid circuits |
-
1987
- 1987-10-13 IT IT85617/87A patent/IT1222350B/it active
-
1988
- 1988-10-12 EP EP88116901A patent/EP0311998A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111864616A (zh) * | 2020-06-22 | 2020-10-30 | 深圳供电局有限公司 | 显示设备控制电路和五防闭锁系统 |
Also Published As
Publication number | Publication date |
---|---|
IT1222350B (it) | 1990-09-05 |
EP0311998A1 (en) | 1989-04-19 |
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