JPS5341715A - Trouble detector - Google Patents
Trouble detectorInfo
- Publication number
- JPS5341715A JPS5341715A JP11580076A JP11580076A JPS5341715A JP S5341715 A JPS5341715 A JP S5341715A JP 11580076 A JP11580076 A JP 11580076A JP 11580076 A JP11580076 A JP 11580076A JP S5341715 A JPS5341715 A JP S5341715A
- Authority
- JP
- Japan
- Prior art keywords
- armature current
- trouble
- trouble detector
- level
- comparator
- 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
Landscapes
- Motor And Converter Starters (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
PURPOSE: To make it possible to detect armature current drop due to trouble, by means of a comparator which is added to the DC motor speed controller for the use of holding the armature current above the specified level, in order to compare the level of a armature current detector output with that of the standard.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11580076A JPS5341715A (en) | 1976-09-29 | 1976-09-29 | Trouble detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11580076A JPS5341715A (en) | 1976-09-29 | 1976-09-29 | Trouble detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5341715A true JPS5341715A (en) | 1978-04-15 |
Family
ID=14671381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11580076A Pending JPS5341715A (en) | 1976-09-29 | 1976-09-29 | Trouble detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5341715A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5839847A (en) * | 1997-02-21 | 1998-11-24 | Mcdonnell Douglas Corporation | Molded article with captured fasteners |
-
1976
- 1976-09-29 JP JP11580076A patent/JPS5341715A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5839847A (en) * | 1997-02-21 | 1998-11-24 | Mcdonnell Douglas Corporation | Molded article with captured fasteners |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5316811A (en) | Controller for commutatorless motor | |
JPS5367826A (en) | Boosting circuit | |
JPS5229938A (en) | Detection apparatus for the operation of electric machiens | |
JPS5341715A (en) | Trouble detector | |
JPS5216901A (en) | Power device | |
JPS52107806A (en) | Pick up arm returning position detecting unit | |
JPS5434020A (en) | Dc motor control system | |
JPS5412436A (en) | Output detection circuit for ac constant current power source | |
JPS5219219A (en) | Torque control apparatus for ac motors | |
JPS5356086A (en) | Magnetic field controller | |
JPS5249552A (en) | Trouble detecting system for excess-speed detecting apparatus which is used in elevator equipment | |
JPS5340843A (en) | Detector for step-out | |
JPS5279192A (en) | Sequence controller which enables fault detection of output element | |
JPS5246427A (en) | Instantaneous power off detector for speed controller of induction mot or | |
JPS5222738A (en) | Abnormal current detecting circuit of motor | |
JPS5214808A (en) | Dc motor accident detecting device | |
JPS5248013A (en) | Over-current detection device for motors | |
JPS51116926A (en) | D.c. converter | |
JPS51117073A (en) | D.c. ammeter | |
JPS5238112A (en) | Power source loss detection circuit in power supply for driving direct current motor | |
JPS51134147A (en) | Angle detector | |
JPS5250516A (en) | Speed control system for dc motor | |
JPS5365910A (en) | Field controller for synchronous machine | |
JPS5441643A (en) | M/n inspection circuit system | |
JPS5293026A (en) | Dynamo-controlling apparatus for car using fly wheel as power source |