DE3583262D1 - Ueberhitzungsschutz fuer wechselstrommotor. - Google Patents
Ueberhitzungsschutz fuer wechselstrommotor.Info
- Publication number
- DE3583262D1 DE3583262D1 DE8585305375T DE3583262T DE3583262D1 DE 3583262 D1 DE3583262 D1 DE 3583262D1 DE 8585305375 T DE8585305375 T DE 8585305375T DE 3583262 T DE3583262 T DE 3583262T DE 3583262 D1 DE3583262 D1 DE 3583262D1
- Authority
- DE
- Germany
- Prior art keywords
- motors
- overheating protection
- overheating
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
- H02P25/20—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays for pole-changing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15827384A JPS6139893A (ja) | 1984-07-28 | 1984-07-28 | 極数変換電動機の運転方式 |
JP15827484A JPS6139827A (ja) | 1984-07-28 | 1984-07-28 | 電源切替方式 |
JP60007703A JPS61167390A (ja) | 1985-01-18 | 1985-01-18 | 極数変換電動機の運転切替方式 |
JP60007705A JPS61167393A (ja) | 1985-01-18 | 1985-01-18 | 電源切替装置 |
JP60007704A JPS61167391A (ja) | 1985-01-18 | 1985-01-18 | 極数変換電動機の運転切替方式 |
JP60007706A JPS61167394A (ja) | 1985-01-18 | 1985-01-18 | 電源切替装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3583262D1 true DE3583262D1 (de) | 1991-07-25 |
Family
ID=27548075
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3588032T Expired - Fee Related DE3588032T2 (de) | 1984-07-28 | 1985-07-29 | Überhitzungsschutz für Wechselstrommotor. |
DE8585305375T Expired - Fee Related DE3583262D1 (de) | 1984-07-28 | 1985-07-29 | Ueberhitzungsschutz fuer wechselstrommotor. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3588032T Expired - Fee Related DE3588032T2 (de) | 1984-07-28 | 1985-07-29 | Überhitzungsschutz für Wechselstrommotor. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4977363A (de) |
EP (2) | EP0171245B1 (de) |
DE (2) | DE3588032T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2239112B (en) * | 1989-11-13 | 1993-12-08 | Mitsubishi Electric Corp | Brushless motor and an axial flow fan with the brushless motor |
ES2063588T3 (es) * | 1991-06-03 | 1995-01-01 | Siemens Ag | Instalacion de ventilador. |
US5397970A (en) * | 1992-04-24 | 1995-03-14 | Texas Instruments Incorporated | Interface circuit having improved isolation among signals for use with a variable speed electrically commutated fan motor |
GB9716003D0 (en) * | 1997-07-29 | 1997-10-01 | Compair Hydrovane Limited | Air compression of sliding vane eccentric rotor type |
US6844691B2 (en) * | 2003-01-02 | 2005-01-18 | Chao-Cheng Chiang | Ventilator having an abnormal operation indication device |
CN114268077B (zh) * | 2021-11-26 | 2022-10-11 | 广州芯德通信科技股份有限公司 | 一种olt设备温度过热保护电路及方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2215414B2 (de) * | 1972-03-29 | 1972-12-28 | Siemens AG, 1000 Berlin u 8000 munchen | Polumschaltbarer elektromotor mit stromabhaengigem ueberlastungsschutz |
US4225289A (en) * | 1978-11-24 | 1980-09-30 | Ecolaire Incorporated | Centrifugal fan air control system |
US4413218A (en) * | 1979-04-06 | 1983-11-01 | Cmd Enterprise, Inc. | Automatic load seeking control for a multitorque motor |
US4425539A (en) * | 1980-03-13 | 1984-01-10 | Borg-Warner Corporation | Control system for AC induction motor |
US4434394A (en) * | 1980-08-14 | 1984-02-28 | Westinghouse Electric Corp. | Circuit for controlling multiple rated motors |
US4370605A (en) * | 1980-09-02 | 1983-01-25 | Westinghouse Electric Corp. | Two-speed motor control |
FR2505940A1 (fr) * | 1981-05-18 | 1982-11-19 | Ventilation Indle Miniere | Procede et dispositif de commande automatique de la vitesse d'un ventilateur dans une installation de ventilation |
JPS586607A (ja) * | 1981-07-03 | 1983-01-14 | Hitachi Ltd | 利得可変増幅器 |
JPS5893987A (ja) * | 1981-11-27 | 1983-06-03 | Kureha Chem Ind Co Ltd | 送風機の風量制御方法 |
US4437608A (en) * | 1982-05-17 | 1984-03-20 | Smith Robert B | Variable air volume building ventilation system |
JPH0665926B2 (ja) * | 1983-07-30 | 1994-08-24 | 三菱電機株式会社 | 風量制御方式 |
-
1985
- 1985-07-29 DE DE3588032T patent/DE3588032T2/de not_active Expired - Fee Related
- 1985-07-29 EP EP85305375A patent/EP0171245B1/de not_active Expired
- 1985-07-29 DE DE8585305375T patent/DE3583262D1/de not_active Expired - Fee Related
- 1985-07-29 EP EP90116144A patent/EP0409286B1/de not_active Expired - Lifetime
-
1990
- 1990-03-16 US US07/494,840 patent/US4977363A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4977363A (en) | 1990-12-11 |
EP0171245A2 (de) | 1986-02-12 |
EP0409286A3 (en) | 1991-10-09 |
EP0171245B1 (de) | 1991-06-19 |
EP0409286A2 (de) | 1991-01-23 |
EP0409286B1 (de) | 1995-06-21 |
EP0171245A3 (en) | 1987-04-01 |
DE3588032T2 (de) | 1995-10-26 |
DE3588032D1 (de) | 1995-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |