JPS5410402A - Protection device for recycling pump - Google Patents
Protection device for recycling pumpInfo
- Publication number
- JPS5410402A JPS5410402A JP7544477A JP7544477A JPS5410402A JP S5410402 A JPS5410402 A JP S5410402A JP 7544477 A JP7544477 A JP 7544477A JP 7544477 A JP7544477 A JP 7544477A JP S5410402 A JPS5410402 A JP S5410402A
- Authority
- JP
- Japan
- Prior art keywords
- protection device
- recycling pump
- mismatching
- comparator
- spreading
- 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.)
- Granted
Links
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Protection Of Generators And Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
PURPOSE: To prevent accident from spreading, by means of abnormal detecting level of a comparator which changes automatically in proportion to a rotative speed signal when a mismatching volume of a speed of a variable pump and an output current of a variable frequency power source exceeds an overload current.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7544477A JPS5410402A (en) | 1977-06-27 | 1977-06-27 | Protection device for recycling pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7544477A JPS5410402A (en) | 1977-06-27 | 1977-06-27 | Protection device for recycling pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5410402A true JPS5410402A (en) | 1979-01-26 |
JPS6146676B2 JPS6146676B2 (en) | 1986-10-15 |
Family
ID=13576417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7544477A Granted JPS5410402A (en) | 1977-06-27 | 1977-06-27 | Protection device for recycling pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5410402A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6044437U (en) * | 1983-08-31 | 1985-03-28 | 株式会社安川電機 | AC circuit overcurrent protection device |
CN108223401A (en) * | 2017-12-30 | 2018-06-29 | 盛瑞传动股份有限公司 | Electric pump load too high method for diagnosing faults and device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51140411U (en) * | 1975-05-06 | 1976-11-12 |
-
1977
- 1977-06-27 JP JP7544477A patent/JPS5410402A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51140411U (en) * | 1975-05-06 | 1976-11-12 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6044437U (en) * | 1983-08-31 | 1985-03-28 | 株式会社安川電機 | AC circuit overcurrent protection device |
CN108223401A (en) * | 2017-12-30 | 2018-06-29 | 盛瑞传动股份有限公司 | Electric pump load too high method for diagnosing faults and device |
CN108223401B (en) * | 2017-12-30 | 2020-03-10 | 盛瑞传动股份有限公司 | Electric pump overload fault diagnosis method and device |
Also Published As
Publication number | Publication date |
---|---|
JPS6146676B2 (en) | 1986-10-15 |
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