DE2260786A1 - Ueberlast-unterbrechungssystem fuer einen dreiphasen-elektromotor - Google Patents
Ueberlast-unterbrechungssystem fuer einen dreiphasen-elektromotorInfo
- Publication number
- DE2260786A1 DE2260786A1 DE2260786A DE2260786A DE2260786A1 DE 2260786 A1 DE2260786 A1 DE 2260786A1 DE 2260786 A DE2260786 A DE 2260786A DE 2260786 A DE2260786 A DE 2260786A DE 2260786 A1 DE2260786 A1 DE 2260786A1
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- phase
- motor
- switching device
- network
- 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.)
- Pending
Links
- 230000006698 induction Effects 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 4
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 claims 1
- 239000013598 vector Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 230000005284 excitation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
Landscapes
- Protection Of Generators And Motors (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Multiple Motors (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Motor And Converter Starters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL38457A IL38457A (en) | 1971-12-27 | 1971-12-27 | Overload interrupt systems for three-phase induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2260786A1 true DE2260786A1 (de) | 1973-07-05 |
Family
ID=11046269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2260786A Pending DE2260786A1 (de) | 1971-12-27 | 1972-12-12 | Ueberlast-unterbrechungssystem fuer einen dreiphasen-elektromotor |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617452A1 (de) * | 1986-05-23 | 1987-11-26 | Klein Schanzlin & Becker Ag | Verfahren zur ueberwachung einer asynchronmaschine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2704820A1 (de) * | 1977-02-05 | 1978-08-17 | Eller Vertriebs Ingbuero | Ueberlastschutzschaltung fuer elektrische motoren |
-
1971
- 1971-12-27 IL IL38457A patent/IL38457A/xx unknown
-
1972
- 1972-11-21 ZA ZA728249A patent/ZA728249B/xx unknown
- 1972-11-23 AU AU49230/72A patent/AU466358B2/en not_active Expired
- 1972-12-12 DE DE2260786A patent/DE2260786A1/de active Pending
- 1972-12-13 CH CH1816772A patent/CH547025A/xx not_active IP Right Cessation
- 1972-12-15 AT AT1071272A patent/AT324475B/de active
- 1972-12-18 GB GB5839172A patent/GB1423158A/en not_active Expired
- 1972-12-20 NL NL7217420A patent/NL7217420A/xx not_active Application Discontinuation
- 1972-12-21 FR FR7245711A patent/FR2165985B1/fr not_active Expired
- 1972-12-23 RO RO7273283A patent/RO64898A/ro unknown
- 1972-12-27 ES ES410087A patent/ES410087A1/es not_active Expired
- 1972-12-27 BE BE793355A patent/BE793355A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617452A1 (de) * | 1986-05-23 | 1987-11-26 | Klein Schanzlin & Becker Ag | Verfahren zur ueberwachung einer asynchronmaschine |
Also Published As
| Publication number | Publication date |
|---|---|
| ES410087A1 (es) | 1975-12-01 |
| ZA728249B (en) | 1973-08-29 |
| AU466358B2 (en) | 1975-10-30 |
| AU4923072A (en) | 1974-05-23 |
| AT324475B (de) | 1975-09-10 |
| NL7217420A (enrdf_load_stackoverflow) | 1973-06-29 |
| FR2165985A1 (enrdf_load_stackoverflow) | 1973-08-10 |
| FR2165985B1 (enrdf_load_stackoverflow) | 1977-04-22 |
| IL38457A0 (en) | 1972-02-29 |
| IL38457A (en) | 1975-02-10 |
| GB1423158A (en) | 1976-01-28 |
| BE793355A (fr) | 1973-04-16 |
| RO64898A (fr) | 1979-07-15 |
| CH547025A (de) | 1974-03-15 |
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