JPS5638928A - Overload protecting circuit - Google Patents
Overload protecting circuitInfo
- Publication number
- JPS5638928A JPS5638928A JP10377680A JP10377680A JPS5638928A JP S5638928 A JPS5638928 A JP S5638928A JP 10377680 A JP10377680 A JP 10377680A JP 10377680 A JP10377680 A JP 10377680A JP S5638928 A JPS5638928 A JP S5638928A
- Authority
- JP
- Japan
- Prior art keywords
- protecting circuit
- overload protecting
- overload
- circuit
- protecting
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
- H02H6/005—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images using digital thermal images
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- 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
- H02H7/0833—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 for electric motors with control arrangements
Landscapes
- Protection Of Generators And Motors (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/061,683 US4291355A (en) | 1979-07-30 | 1979-07-30 | Programmable overload circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5638928A true JPS5638928A (en) | 1981-04-14 |
JPS6248455B2 JPS6248455B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-14 |
Family
ID=22037426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10377680A Granted JPS5638928A (en) | 1979-07-30 | 1980-07-30 | Overload protecting circuit |
Country Status (6)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954420U (ja) * | 1982-10-04 | 1984-04-10 | 豊国工業株式会社 | 過負荷予防警告装置 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE433777B (sv) * | 1980-03-26 | 1984-06-12 | Elfi Innovationer | Sett och anordning att for overvakning detektera en asynkronmotors lindningstemperatur |
JPS56162921A (en) * | 1980-05-20 | 1981-12-15 | Tokyo Shibaura Electric Co | Protection relay unit |
GB2095932B (en) * | 1981-03-28 | 1984-05-31 | Ferranti Ltd | Line disturbance monitor |
DE3121779C2 (de) * | 1981-05-25 | 1984-02-02 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur Überwachung des Effektivstroms bei Gleichstrommaschinen zur Verhinderung einer Überlast und elektronische Überlastsicherung zur Durchführung des Verfahrens |
DE3137496C2 (de) * | 1981-09-21 | 1990-01-25 | Siemens AG, 1000 Berlin und 8000 München | Digitaler Überstromauslöser |
JPS58172927A (ja) * | 1982-04-02 | 1983-10-11 | 株式会社日立製作所 | 過負荷保護装置 |
US4446498A (en) * | 1982-04-05 | 1984-05-01 | Siemens-Allis, Inc. | Electronic control system for overload relay or the like |
US4456871A (en) * | 1982-04-05 | 1984-06-26 | Siemens-Allis, Inc. | Power supply for electronic control system |
US4423459A (en) * | 1982-04-05 | 1983-12-27 | Siemens-Allis, Inc. | Solid state circuit protection system and method |
US4423458A (en) * | 1982-04-05 | 1983-12-27 | Siemens-Allis, Inc. | Signal processing system for overload relay or the like |
CA1193317A (en) * | 1982-05-07 | 1985-09-10 | Canadian General Electric Company Limited | Thermal model for electrical apparatus |
CA1193316A (en) * | 1982-05-07 | 1985-09-10 | David R. Boothman | Motor protection apparatus |
AT376852B (de) * | 1982-07-29 | 1985-01-10 | Naimer H L | Schaltungsanordnung fuer ein rechnergestuetztes schaltgeraet |
US4453117A (en) * | 1983-04-14 | 1984-06-05 | Elms Robert T | Motor control apparatus with short term undervoltage motor mode saver |
US4456867A (en) * | 1983-04-20 | 1984-06-26 | Westinghouse Electric Corp. | Motor control apparatus with input validator |
US4550277A (en) * | 1984-09-24 | 1985-10-29 | Black & Decker Inc. | Overload detection and warning system for electric motors in power tools and the like |
FR2578113B1 (fr) * | 1985-02-25 | 1988-04-15 | Merlin Gerin | Declencheur statique numerique a fonctions optionnelles pour un disjoncteur electrique |
FR2578092B1 (fr) * | 1985-02-25 | 1987-03-06 | Merlin Gerin | Disjoncteur a declencheur statique a echantillonnage et blocage a la derniere crete du signal |
FR2578090B1 (fr) * | 1985-02-25 | 1989-12-01 | Merlin Gerin | Disjoncteur a declencheur statique numerise a fonction de declenchement a temps inverse |
FR2578112B1 (fr) * | 1985-02-25 | 1988-03-18 | Merlin Gerin | Disjoncteur a declencheur statique a chaine de traitement numerique shunte par une chaine de traitement analogique |
DE3522739A1 (de) * | 1985-06-21 | 1987-01-02 | Siemens Ag | Verfahren zum erzeugen eines ausloesesignals in abhaengigkeit von der groesse und der dauer eines ueberstromes |
US4734629A (en) * | 1985-08-09 | 1988-03-29 | Black & Decker Inc. | Variable speed trigger switch |
FR2586489B1 (fr) * | 1985-08-23 | 1988-02-26 | Telemecanique Electrique | Dispositif de determination numerique et de sauvegarde d'une image thermique |
US4700365A (en) * | 1985-10-25 | 1987-10-13 | Rca Corporation | Digital threshold detector with hysteresis |
US4796142A (en) * | 1986-10-16 | 1989-01-03 | Square D Company | Overload protection apparatus for emulating the response of a thermal overload |
GB2215148B (en) * | 1988-02-18 | 1992-04-08 | Fenner Co Ltd J H | A monitoring system |
US4953053A (en) * | 1989-01-31 | 1990-08-28 | Harnischfeger Corporation | Method and apparatus for detecting mechanical overload of a hoist |
US4952856A (en) * | 1989-11-13 | 1990-08-28 | Aeg Westinghouse Transportation Systems, Inc. | Method and apparatus for monitoring resistor temperature |
US5303160A (en) * | 1992-01-13 | 1994-04-12 | Westinghouse Electric Corp. | Load controller with digitally modeled overload protection and analog tracking of heat state during power off |
US5512883A (en) * | 1992-11-03 | 1996-04-30 | Lane, Jr.; William E. | Method and device for monitoring the operation of a motor |
US5341077A (en) * | 1993-02-03 | 1994-08-23 | Industrial Technology Research Institute | Method and device for limiting electrical current supplied to the motor of an electric vehicle |
DE4326680C1 (de) * | 1993-08-09 | 1995-02-16 | Siemens Ag | Verfahren und Vorrichtung zur Temperaturüberwachung eines elektrischen Generators |
EP0651314A1 (en) * | 1993-10-27 | 1995-05-03 | International Business Machines Corporation | An apparatus and method for thermally protecting a processing device |
DE19836701A1 (de) * | 1998-08-13 | 2000-02-17 | Schlafhorst & Co W | Verfahren zum Stillsetzen eines elektrischen Antriebsmotors und Bremsschaltung |
WO2000073866A1 (en) * | 1999-05-28 | 2000-12-07 | General Electric Company | An intelligent electronic device for monitoring non-electrical characteristics |
US7596304B2 (en) * | 2001-01-24 | 2009-09-29 | Delta Electronics Inc. | Starting device and method for eliminating a peak current |
US7167348B2 (en) * | 2001-12-21 | 2007-01-23 | Amt Capital, Ltd. | Miniaturized motor overload protector |
JP3681374B2 (ja) * | 2002-12-19 | 2005-08-10 | 株式会社日立製作所 | 電流検出装置及びそれを用いたpwmインバータ |
GB2451876A (en) * | 2007-08-15 | 2009-02-18 | Mono Pumps Ltd | Pump system for a pressure sewer system |
US8294403B2 (en) * | 2009-09-04 | 2012-10-23 | Haas Automation, Inc. | Methods and systems for determining and displaying a time to overload of machine tools |
WO2016053679A1 (en) * | 2014-10-01 | 2016-04-07 | Carrier Corporation | Compressor motor overload detection |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735219A (en) * | 1971-08-25 | 1973-05-22 | Memorex Corp | Thermal protection device for linear motor |
GB1422324A (en) * | 1971-12-21 | 1976-01-28 | Lucas Electrical Co Ltd | Process control apparatus |
DE2310103C3 (de) * | 1973-03-01 | 1987-07-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronischer Überstromauslöser |
US3845354A (en) * | 1973-05-21 | 1974-10-29 | Gen Electric Canada | Solid state thermal overload indicator |
DE2325767C3 (de) * | 1973-05-21 | 1980-10-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektronisches Oberlastrelais |
US3927359A (en) * | 1973-11-15 | 1975-12-16 | Gen Motors Corp | Engine starter motor control for preventing damage during hydraulic lock |
US3854354A (en) * | 1973-11-19 | 1974-12-17 | Cooper Ind Inc | Plier type toggle wrench |
US3964020A (en) * | 1975-03-06 | 1976-06-15 | Hughes Aircraft Company | High voltage system with self-test circuitry |
US4021700A (en) * | 1975-06-04 | 1977-05-03 | Borg-Warner Corporation | Digital logic control system for three-phase submersible pump motor |
US4041540A (en) * | 1976-02-02 | 1977-08-09 | Square D Company | Solid state overload relay circuit |
GB1536046A (en) * | 1976-06-30 | 1978-12-20 | Ibm | Data processing system power control |
CH610112A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-08-26 | 1979-03-30 | Arn Fritz | |
US4161027A (en) * | 1976-10-04 | 1979-07-10 | Electric Power Research Institute, Inc. | Digital protection system for transmission lines and associated power equipment |
US4071745A (en) * | 1977-03-04 | 1978-01-31 | Hall B C | Programmable time varying control system and method |
US4115860A (en) * | 1977-06-02 | 1978-09-19 | Lockheed Electronics Co., Inc. | Plural load power controller with time-shared processor |
US4174496A (en) * | 1978-08-02 | 1979-11-13 | Rockwell International Corporation | Monolithic solid state power controller |
-
1979
- 1979-07-30 US US06/061,683 patent/US4291355A/en not_active Expired - Lifetime
-
1980
- 1980-05-29 SE SE8004022A patent/SE8004022L/ not_active Application Discontinuation
- 1980-07-26 DE DE19803028367 patent/DE3028367A1/de active Granted
- 1980-07-29 BR BR8004794A patent/BR8004794A/pt unknown
- 1980-07-30 MX MX183370A patent/MX148628A/es unknown
- 1980-07-30 JP JP10377680A patent/JPS5638928A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954420U (ja) * | 1982-10-04 | 1984-04-10 | 豊国工業株式会社 | 過負荷予防警告装置 |
Also Published As
Publication number | Publication date |
---|---|
DE3028367A1 (de) | 1981-02-26 |
SE8004022L (sv) | 1981-01-31 |
DE3028367C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-19 |
JPS6248455B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-14 |
BR8004794A (pt) | 1981-02-10 |
MX148628A (es) | 1983-05-18 |
US4291355A (en) | 1981-09-22 |
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