SE417754B - Belastningsindikator for vexelstromsmotorer - Google Patents

Belastningsindikator for vexelstromsmotorer

Info

Publication number
SE417754B
SE417754B SE8000672A SE8000672A SE417754B SE 417754 B SE417754 B SE 417754B SE 8000672 A SE8000672 A SE 8000672A SE 8000672 A SE8000672 A SE 8000672A SE 417754 B SE417754 B SE 417754B
Authority
SE
Sweden
Prior art keywords
signal
circuit
representing
motor
load indicator
Prior art date
Application number
SE8000672A
Other languages
English (en)
Swedish (sv)
Inventor
P A P Comstedt
B A Elfner
Original Assignee
Elfi Innovationer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Elfi Innovationer filed Critical Elfi Innovationer
Priority to SE8000672A priority Critical patent/SE417754B/sv
Priority to DE19803038788 priority patent/DE3038788A1/de
Priority to FI810144A priority patent/FI68471C/fi
Priority to US06/228,553 priority patent/US4333118A/en
Priority to FR8101478A priority patent/FR2474698B1/fr
Priority to DK35881A priority patent/DK147444C/da
Priority to NO810261A priority patent/NO157594C/no
Priority to CH50181A priority patent/CH655393B/de
Priority to IT19358/81A priority patent/IT1135196B/it
Priority to JP1090481A priority patent/JPS5716597A/ja
Priority to GB8102764A priority patent/GB2070355B/en
Publication of SE417754B publication Critical patent/SE417754B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Multiple Motors (AREA)
SE8000672A 1980-01-29 1980-01-29 Belastningsindikator for vexelstromsmotorer SE417754B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8000672A SE417754B (sv) 1980-01-29 1980-01-29 Belastningsindikator for vexelstromsmotorer
DE19803038788 DE3038788A1 (de) 1980-01-29 1980-10-14 Belastungsanzeiger fuer wechselstrommotoren
FI810144A FI68471C (fi) 1980-01-29 1981-01-19 Belastningsindikator foer vaexelstroemsmotorer
US06/228,553 US4333118A (en) 1980-01-29 1981-01-26 Load indicators for alternating-current motors
FR8101478A FR2474698B1 (fr) 1980-01-29 1981-01-27 Indicateur de charge pour moteurs a courant alternatif
DK35881A DK147444C (da) 1980-01-29 1981-01-27 Belastningsindikator til vekselstroemsmotorer
NO810261A NO157594C (no) 1980-01-29 1981-01-27 Belastningsindikator for vekselstroemsmotorer.
CH50181A CH655393B (de) 1980-01-29 1981-01-27
IT19358/81A IT1135196B (it) 1980-01-29 1981-01-27 Indicatore di carico per motori a corrente alternata
JP1090481A JPS5716597A (en) 1980-01-29 1981-01-29 Load indicator for ac motor
GB8102764A GB2070355B (en) 1980-01-29 1981-01-29 Load indicator for alternating-current motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8000672A SE417754B (sv) 1980-01-29 1980-01-29 Belastningsindikator for vexelstromsmotorer

Publications (1)

Publication Number Publication Date
SE417754B true SE417754B (sv) 1981-04-06

Family

ID=20340099

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000672A SE417754B (sv) 1980-01-29 1980-01-29 Belastningsindikator for vexelstromsmotorer

Country Status (11)

Country Link
US (1) US4333118A (de)
JP (1) JPS5716597A (de)
CH (1) CH655393B (de)
DE (1) DE3038788A1 (de)
DK (1) DK147444C (de)
FI (1) FI68471C (de)
FR (1) FR2474698B1 (de)
GB (1) GB2070355B (de)
IT (1) IT1135196B (de)
NO (1) NO157594C (de)
SE (1) SE417754B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956896A (ja) * 1982-09-24 1984-04-02 Toshiba Corp 交流電動機の制御装置
JPH074080B2 (ja) * 1984-04-13 1995-01-18 日立機電工業株式会社 クレーン等巻上装置の速度制御装置
US4563508A (en) * 1984-05-18 1986-01-07 Dart Industries, Inc. Injection moldable aromatic polyesters compositions and method of preparation
US4879623A (en) * 1985-12-02 1989-11-07 Caterpillar Industrial Inc. Voltage transients
US4713608A (en) * 1986-03-06 1987-12-15 Computer Power Systems Corporation Apparatus for providing cost efficient power measurement
US5000040A (en) * 1986-04-04 1991-03-19 Movats Incorporated Method and apparatus for remote monitoring of valves and valve operators
US4831873A (en) * 1986-04-04 1989-05-23 Movats Incorporated Method and apparatus for remote monitoring of valves and valve operators
US4869102A (en) * 1986-04-04 1989-09-26 Movats Incorporated Method and apparatus for remote monitoring of valves and valve operators
US4891975A (en) * 1986-04-04 1990-01-09 Movats Incorporated Method and apparatus for remote monitoring of valves and valve operators
US4888996A (en) * 1987-12-22 1989-12-26 Movats Incorporated DC motor operated valve remote monitoring system
US5005008A (en) * 1989-04-20 1991-04-02 Hewlett Packard Company Method and apparatus for providing thermodynamic protection of a driver circuit used in an in-circuit tester
AT393912B (de) * 1989-11-16 1992-01-10 Elin Energieanwendung Verfahren zur ermittlung des mechanischen drehmomentes
SE516155C2 (sv) 1997-10-28 2001-11-26 Emotron Ab Belastningsvakt
US6501629B1 (en) 2000-10-26 2002-12-31 Tecumseh Products Company Hermetic refrigeration compressor motor protector

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1135694A (fr) * 1955-03-24 1957-05-02 Procédé et appareil de mesure de puissance réelle
US3579217A (en) * 1968-06-10 1971-05-18 Thomas Machinery Corp Method and apparatus for detecting and indicating malfunction of a tableting machine
US3931559A (en) * 1974-08-02 1976-01-06 Delta-X Corporation Malfunction detector circuit for the use with a pump-off control circuit
JPS5133451A (de) * 1974-09-13 1976-03-22 Hitachi Ltd
DD128743A1 (de) * 1976-12-02 1977-12-07 Dieter Zenkel Schaltungsanordnung zum erfassen der mechanischen belastung eines drehstrommotors
US4100587A (en) * 1976-12-28 1978-07-11 General Electric Company Circuit for detecting the flow of an excess of reverse power from a load to a power system
US4079313A (en) * 1977-04-18 1978-03-14 Allen-Bradley Company Digital watts transducer
DE2844548A1 (de) * 1978-10-12 1980-04-30 Elfi Innovationer Schaltungsanordnung zur anzeige des belastungszustandes eines wechselstrommotors
FR2470973A1 (fr) * 1979-12-07 1981-06-12 Telemecanique Electrique Dispositif de determination du couple fourni par un moteur electrique asynchrone

Also Published As

Publication number Publication date
CH655393B (de) 1986-04-15
NO157594C (no) 1988-04-13
IT8119358A0 (it) 1981-01-27
FR2474698B1 (fr) 1985-06-28
NO157594B (no) 1988-01-04
FI68471B (fi) 1985-05-31
GB2070355B (en) 1983-11-30
NO810261L (no) 1981-07-30
JPS6333398B2 (de) 1988-07-05
DK35881A (da) 1981-07-30
US4333118A (en) 1982-06-01
DE3038788C2 (de) 1987-06-19
IT1135196B (it) 1986-08-20
FR2474698A1 (fr) 1981-07-31
DK147444C (da) 1985-02-18
FI810144L (fi) 1981-07-30
JPS5716597A (en) 1982-01-28
DE3038788A1 (de) 1981-07-30
FI68471C (fi) 1985-09-10
DK147444B (da) 1984-08-06
GB2070355A (en) 1981-09-03

Similar Documents

Publication Publication Date Title
SE417754B (sv) Belastningsindikator for vexelstromsmotorer
US3305763A (en) Voltage/current regulated power supplies
DK165086B (da) Effektomformningskredsloeb
US3560759A (en) Wheel slip protection device
US3902076A (en) Generator monitoring circuit
US3539820A (en) Real load unbalance protection circuit for alternating current power sources connected for parallel operation
US3597580A (en) Controlled rectifier arc welding supply having improved positive firing characteristics
US3525032A (en) Regulating system
US3457487A (en) Static field shunt contactor control
US3599080A (en) Alternator voltage regulator having auxilliary excitation means
JPS57180395A (en) Voltage controller for inverter
JPS5537873A (en) Controller for dc motor
NL193075C (nl) Variabele gelijkspanningsbron met verhoogd rendement voor gebruik in versterkers met een hoog vermogen.
US2778983A (en) Load current and voltage control means for electrical systems
US4389607A (en) Synchronous motor control device
SU903922A1 (ru) Устройство дл счета предметов
US3320507A (en) Ir compensation for direct current motor control
US2484836A (en) Variable-voltage control system of limit-responsive operation
SU478259A1 (ru) Датчик переменного тока
JPS5688516A (en) Control circuit for voltage droop of multiple-output constant-voltage power source
SU792459A2 (ru) Устройство дл дифференциальной защиты трансформатора с регулированием напр жени под нагрузкой
JP2600711B2 (ja) クロスレギュレーションにおける非制御系出力電圧安定化回路
US2491691A (en) Load responsive control circuit
JPS54162150A (en) Power supply observer
JPS5641781A (en) Direct current motor operated by selecting automatically its efficiency at near maximum value

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8000672-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8000672-9

Format of ref document f/p: F