CH672330A5 - - Google Patents
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- Publication number
- CH672330A5 CH672330A5 CH217/87A CH21787A CH672330A5 CH 672330 A5 CH672330 A5 CH 672330A5 CH 217/87 A CH217/87 A CH 217/87A CH 21787 A CH21787 A CH 21787A CH 672330 A5 CH672330 A5 CH 672330A5
- Authority
- CH
- Switzerland
- Prior art keywords
- current
- motors
- spinning
- monitoring circuit
- phase
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 claims description 24
- 238000009987 spinning Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 17
- 238000007378 ring spinning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Control Of Multiple Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3603283 | 1986-02-04 | ||
| DE3606407 | 1986-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH672330A5 true CH672330A5 (OSRAM) | 1989-11-15 |
Family
ID=25840664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH217/87A CH672330A5 (OSRAM) | 1986-02-04 | 1987-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4749920A (OSRAM) |
| CH (1) | CH672330A5 (OSRAM) |
| IT (1) | IT1202445B (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8904581U1 (de) * | 1989-04-12 | 1989-05-24 | EUBA-Antriebstechnik Eller GmbH, 4300 Essen | Motorüberwachungsschalter |
| JPH0544118A (ja) * | 1991-07-31 | 1993-02-23 | Howa Mach Ltd | 粗紡機における制御装置 |
| US5361565A (en) * | 1993-01-19 | 1994-11-08 | Bayer Robert F | Elevating system |
| US5822212A (en) * | 1993-08-06 | 1998-10-13 | Fanuc Ltd | Machining load monitoring system |
| BE1013175A3 (nl) * | 1999-12-10 | 2001-10-02 | Picanol Nv | Aandrijfsysteem voor een machine. |
| CA2471821C (en) * | 2002-11-04 | 2006-04-25 | Ocean Nutrition Canada Limited | Microcapsules having multiple shells and method for the preparation thereof |
| WO2014045407A1 (ja) * | 2012-09-21 | 2014-03-27 | 三菱電機株式会社 | 電動機制御装置及び電動機制御方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585470A (en) * | 1969-12-08 | 1971-06-15 | Westinghouse Electric Corp | Automatic bus voltage adjustment control system |
| GB2004097B (en) * | 1977-09-07 | 1982-05-26 | South Australia Minister Of Tr | Modular motor and control means and method |
| US4298831A (en) * | 1980-03-24 | 1981-11-03 | General Electric Company | Method and apparatus for operating a plurality of parallel coupled, arbitrarily loaded induction machines from a single controlled current inverter |
| SU995188A1 (ru) * | 1980-09-12 | 1983-02-07 | Павлодарский Индустриальный Институт | Устройство дл дифференциально-фазной защиты электродвигател от междуфазных коротких замыканий |
| SU1117762A2 (ru) * | 1982-11-26 | 1984-10-07 | Войсковая Часть 11284 | Устройство дл защиты асинхронного трехфазного электродвигател от работы на двух фазах |
| SU1213513A1 (ru) * | 1984-05-11 | 1986-02-23 | Gubin Yurij G | Устройство дл защиты трехфазного электродвигател от перегрузки |
| SU1224894A1 (ru) * | 1984-06-13 | 1986-04-15 | Научно-производственное объединение "Прогресс" | Устройство дл защиты трехфазного электродвигател от перегрузки и обрыва фазы |
-
1987
- 1987-01-22 CH CH217/87A patent/CH672330A5/de not_active IP Right Cessation
- 1987-01-29 IT IT19197/87A patent/IT1202445B/it active
- 1987-01-30 US US07/009,385 patent/US4749920A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT8719197A0 (it) | 1987-01-29 |
| IT1202445B (it) | 1989-02-09 |
| US4749920A (en) | 1988-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |