JPS53123831A - Hunting protection device of hysteresis motors - Google Patents
Hunting protection device of hysteresis motorsInfo
- Publication number
- JPS53123831A JPS53123831A JP3888477A JP3888477A JPS53123831A JP S53123831 A JPS53123831 A JP S53123831A JP 3888477 A JP3888477 A JP 3888477A JP 3888477 A JP3888477 A JP 3888477A JP S53123831 A JPS53123831 A JP S53123831A
- Authority
- JP
- Japan
- Prior art keywords
- protection device
- hunting
- hysteresis motors
- pull
- hunting 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.)
- Granted
Links
Landscapes
- Control Of Ac Motors In General (AREA)
- Protection Of Generators And Motors (AREA)
Abstract
PURPOSE: To perform a protection discriminating an existence or not of a hunting from a value of a motor current after pull in by performing a synchronous pull in after restoring a short time lowered power source voltage of a motor again providing a program establisher.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52038884A JPS6056073B2 (en) | 1977-04-05 | 1977-04-05 | Hysteresis motor step-out protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52038884A JPS6056073B2 (en) | 1977-04-05 | 1977-04-05 | Hysteresis motor step-out protection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53123831A true JPS53123831A (en) | 1978-10-28 |
JPS6056073B2 JPS6056073B2 (en) | 1985-12-07 |
Family
ID=12537628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52038884A Expired JPS6056073B2 (en) | 1977-04-05 | 1977-04-05 | Hysteresis motor step-out protection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6056073B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0588242U (en) * | 1992-04-29 | 1993-12-03 | 中島化学株式会社 | Plant support holder |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH022618Y2 (en) * | 1986-07-08 | 1990-01-22 | ||
JPH022620Y2 (en) * | 1986-09-24 | 1990-01-22 |
-
1977
- 1977-04-05 JP JP52038884A patent/JPS6056073B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0588242U (en) * | 1992-04-29 | 1993-12-03 | 中島化学株式会社 | Plant support holder |
Also Published As
Publication number | Publication date |
---|---|
JPS6056073B2 (en) | 1985-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51113108A (en) | Automatic voltage control system in brushless generator | |
JPS5250521A (en) | Chopper control system | |
JPS53123831A (en) | Hunting protection device of hysteresis motors | |
JPS527521A (en) | Control means for electric vehicle | |
JPS52149743A (en) | Elevator starting control device | |
JPS5429015A (en) | Controller for synchronous motor | |
JPS5270309A (en) | Method for starting electric motor without commutator | |
JPS51149512A (en) | Starting method of the electric motor having the ac generator as the power source | |
JPS5240838A (en) | Extinguishing device of heating instrument | |
JPS51149520A (en) | Electric power source circuit | |
JPS5266909A (en) | Field magnet overvoltage preventing device for synchronous motor | |
JPS53135001A (en) | Driving system for turbo-machines | |
JPS529818A (en) | Controlling device of plural dc motors | |
JPS5412436A (en) | Output detection circuit for ac constant current power source | |
JPS5221641A (en) | Constant-voltage circuit | |
JPS53139117A (en) | Step-out detector system for multi-parallel synchronous motor | |
JPS5216963A (en) | Teigger circuit | |
JPS52104715A (en) | Control equipment of d.c. motor | |
JPS5228640A (en) | Protective relay | |
JPS5296333A (en) | Protection device for motor | |
JPS51140126A (en) | Control process of motor-generator without commutator | |
JPS5217645A (en) | Overcurrent supervisory system | |
JPS52143430A (en) | Exciting control device of synchronous generator | |
JPS5223610A (en) | Exciter for ac generator | |
JPS51138816A (en) | Control circuit of squirrel-cage induction motor |