ITTO911034A0 - Dispositivo elettronico di frenaggio per motori asincroni. - Google Patents
Dispositivo elettronico di frenaggio per motori asincroni.Info
- Publication number
- ITTO911034A0 ITTO911034A0 IT91TO1034A ITTO911034A ITTO911034A0 IT TO911034 A0 ITTO911034 A0 IT TO911034A0 IT 91TO1034 A IT91TO1034 A IT 91TO1034A IT TO911034 A ITTO911034 A IT TO911034A IT TO911034 A0 ITTO911034 A0 IT TO911034A0
- Authority
- IT
- Italy
- Prior art keywords
- braking device
- asynchronous motors
- electronic braking
- electronic
- asynchronous
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/042—Turbomolecular vacuum pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
- F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising magnetic bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0292—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0444—Details of devices to control the actuation of the electromagnets
- F16C32/0457—Details of the power supply to the electromagnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Stopping Of Electric Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO911034A IT1250893B (it) | 1991-12-24 | 1991-12-24 | Dispositivo elettronico di frenaggio per motori asincroni. |
EP92202830A EP0549004A1 (en) | 1991-12-24 | 1992-09-16 | An electronic braking device for asynchronous motors |
US07/993,936 US5376867A (en) | 1991-12-24 | 1992-12-18 | Electronic braking device for asynchronous motors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO911034A IT1250893B (it) | 1991-12-24 | 1991-12-24 | Dispositivo elettronico di frenaggio per motori asincroni. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO911034A0 true ITTO911034A0 (it) | 1991-12-24 |
ITTO911034A1 ITTO911034A1 (it) | 1993-06-24 |
IT1250893B IT1250893B (it) | 1995-04-21 |
Family
ID=11409834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO911034A IT1250893B (it) | 1991-12-24 | 1991-12-24 | Dispositivo elettronico di frenaggio per motori asincroni. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5376867A (it) |
EP (1) | EP0549004A1 (it) |
IT (1) | IT1250893B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4410903A1 (de) * | 1994-03-29 | 1995-10-05 | Leybold Ag | System mit Vakuumpumpe, Meßgerät sowie Versorgungs-, Steuer-, Bedienungs- und Anzeigeeinrichtungen |
GB9408959D0 (en) * | 1994-05-05 | 1994-06-22 | Boc Group Plc | Magnetic bearing circuitry |
CA2151532C (en) * | 1994-07-25 | 1998-12-22 | Emerson Electric Co. | Auxiliary starting switched reluctance motor |
US5703456A (en) * | 1995-05-26 | 1997-12-30 | Emerson Electric Co. | Power converter and control system for a motor using an inductive load and method of doing the same |
FI952908A (fi) * | 1995-06-13 | 1997-02-17 | High Speed Tech Ltd Oy | Magneettilaakeroidun sähkökoneen energiansiirtojärjestelmä |
US5780949A (en) * | 1996-01-29 | 1998-07-14 | Emerson Electric Co. | Reluctance machine with auxiliary field excitations |
US5923142A (en) * | 1996-01-29 | 1999-07-13 | Emerson Electric Co. | Low cost drive for switched reluctance motor with DC-assisted excitation |
US5866964A (en) * | 1996-01-29 | 1999-02-02 | Emerson Electric Company | Reluctance machine with auxiliary field excitations |
JPH09247973A (ja) * | 1996-03-13 | 1997-09-19 | Ebara Corp | 磁気軸受を用いたモータの停止方法 |
FR2747431B1 (fr) * | 1996-04-15 | 1998-07-03 | Soc D Mecanique Magnetique | Pompe turbomoleculaire a paliers magnetiques actifs |
JP3708728B2 (ja) * | 1998-11-05 | 2005-10-19 | 日創電機株式会社 | 射出成形機のモータ駆動装置 |
JP3753923B2 (ja) | 2000-04-21 | 2006-03-08 | 株式会社荏原製作所 | 磁気軸受制御装置 |
KR100488523B1 (ko) * | 2003-02-14 | 2005-05-11 | 삼성전자주식회사 | 모터제어장치 및 그 제어방법 |
US7737647B2 (en) * | 2004-07-05 | 2010-06-15 | Moteurs Leroy-Somer | Rectifier and system for controlling the speed of an electric motor |
FR2881297B1 (fr) * | 2005-01-27 | 2007-05-18 | Schneider Toshiba Inverter | Procede et systeme de gestion de la tension sur le bus continu d'un variateur de vitesse pour moteur electrique |
US7456594B2 (en) | 2006-06-09 | 2008-11-25 | Honeywell International Inc. | Electric motor brake engagement holdup system |
DE102006041183A1 (de) * | 2006-09-01 | 2008-03-06 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpe |
DE102007044690A1 (de) * | 2007-09-19 | 2009-04-02 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpe |
GB2486884A (en) * | 2010-12-22 | 2012-07-04 | Waukesha Bearings Ltd | A magnetic bearing drive circuit driven from a pair of Direct Current link voltage rails |
FR2974412B1 (fr) * | 2011-04-21 | 2013-06-07 | Adixen Vacuum Products | Procede de controle d'un detecteur de fuites et detecteur de fuites |
CN112152185B (zh) * | 2020-10-20 | 2022-02-01 | 珠海格力电器股份有限公司 | 一种磁悬浮系统的供电控制装置、方法和磁悬浮系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3995204A (en) * | 1974-12-20 | 1976-11-30 | General Electric Company | Braking mode control for an electric traction motor |
US4039914A (en) * | 1975-11-25 | 1977-08-02 | General Electric Company | Dynamic braking in controlled current motor drive systems |
US4143309A (en) * | 1977-04-11 | 1979-03-06 | Patterson Williams G | Turbomolecular pump drive method and apparatus |
JPS5866598A (ja) * | 1981-10-13 | 1983-04-20 | Mitsubishi Electric Corp | 交流エレベ−タの駆動装置 |
DE3210354C2 (de) * | 1982-03-20 | 1985-07-18 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Antrieb für Turbomolekularpumpen |
JPS5923098A (ja) * | 1982-07-30 | 1984-02-06 | Hitachi Ltd | タ−ボ分子ポンプ |
JPS60190697A (ja) * | 1984-03-09 | 1985-09-28 | Seiko Seiki Co Ltd | タ−ボ分子ポンプにおける磁気軸受の制御方式 |
JPS62243987A (ja) * | 1986-04-16 | 1987-10-24 | Mitsubishi Electric Corp | 真空装置の非常電源装置 |
US4831469A (en) * | 1987-07-29 | 1989-05-16 | International Business Machines Corporation | Disk drive head retract and motor braking method and apparatus |
SE461947B (sv) * | 1988-08-08 | 1990-04-09 | Digimoto Of Sweden Ab | Foerfarande foer bromsning av en asynkronmotor |
JPH03124283A (ja) * | 1989-10-04 | 1991-05-27 | Mitsubishi Electric Corp | 電動機駆動装置の回生制御回路 |
-
1991
- 1991-12-24 IT ITTO911034A patent/IT1250893B/it active IP Right Grant
-
1992
- 1992-09-16 EP EP92202830A patent/EP0549004A1/en not_active Withdrawn
- 1992-12-18 US US07/993,936 patent/US5376867A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5376867A (en) | 1994-12-27 |
IT1250893B (it) | 1995-04-21 |
ITTO911034A1 (it) | 1993-06-24 |
EP0549004A1 (en) | 1993-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971023 |