GB1456212A - Compressor refrigerating equipment - Google Patents

Compressor refrigerating equipment

Info

Publication number
GB1456212A
GB1456212A GB4809573A GB4809573A GB1456212A GB 1456212 A GB1456212 A GB 1456212A GB 4809573 A GB4809573 A GB 4809573A GB 4809573 A GB4809573 A GB 4809573A GB 1456212 A GB1456212 A GB 1456212A
Authority
GB
United Kingdom
Prior art keywords
motors
field weakening
parallel
thyristors
oct
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.)
Expired
Application number
GB4809573A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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
Priority claimed from DE19722251137 external-priority patent/DE2251137A1/de
Priority claimed from DE2259658A external-priority patent/DE2259658C3/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1456212A publication Critical patent/GB1456212A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P4/00Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/025Motor control arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Multiple Motors (AREA)
GB4809573A 1972-10-16 1973-10-16 Compressor refrigerating equipment Expired GB1456212A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722251137 DE2251137A1 (de) 1972-10-16 1972-10-16 Anordnung fuer elektromotorisch betriebene kompressorkuehlanlagen
DE2259658A DE2259658C3 (de) 1972-12-01 1972-12-01 Anordnung für Kompressorkühlanlagen

Publications (1)

Publication Number Publication Date
GB1456212A true GB1456212A (en) 1976-11-24

Family

ID=25763971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4809573A Expired GB1456212A (en) 1972-10-16 1973-10-16 Compressor refrigerating equipment

Country Status (5)

Country Link
CH (1) CH560363A5 (enrdf_load_stackoverflow)
DD (1) DD107131A5 (enrdf_load_stackoverflow)
FR (1) FR2203055B1 (enrdf_load_stackoverflow)
GB (1) GB1456212A (enrdf_load_stackoverflow)
IT (1) IT995864B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2203055A1 (enrdf_load_stackoverflow) 1974-05-10
DD107131A5 (enrdf_load_stackoverflow) 1974-07-12
FR2203055B1 (enrdf_load_stackoverflow) 1976-06-18
CH560363A5 (enrdf_load_stackoverflow) 1975-03-27
IT995864B (it) 1975-11-20

Similar Documents

Publication Publication Date Title
US3500158A (en) Combined speed control and overload protection for asynchronous threephase motors
US3984743A (en) Regenerative braking controller for D.C. motor
US3584281A (en) Dc motor reversing system including protective features responsive to reversing selector and to dynamic breaking current
US3184670A (en) Control system for reversing motor rotation
US3508134A (en) Electronic motor control circuits responsive to back emf
US3071717A (en) Motor starating circuit
GB1379040A (en) Control circuits for dc electric rotating machines
US3223911A (en) Motor speed control system
GB1456212A (en) Compressor refrigerating equipment
US3388306A (en) Control circuit for direct current motors including semiconductor cell means connected across starting resistors
US3335351A (en) Dc motor control circuit
US3341759A (en) Control device for electric cars including scr short circuiting of a starting resistance
GB1346819A (en) Regulator system for a dc motor drive
US3541412A (en) Control for alternating-current motors
US2530949A (en) Electronic system for energizing direct-current motors from an alternating current supply
SU416267A1 (ru) УСТРОЙСТВО ДЛЯ ПЛАВНОГО РЕГУЛИРОВАНИЯПУСКО-ТОРЛЮЗНОГО СОПРОТИВЛЕНИЯ и ПОЛЯт говых ЭЛЕКТРОДВИГАТЕЛЕЙ
US862168A (en) System of control for electric motors.
US2414539A (en) Torque regulator
US873064A (en) System of motor control.
US2322637A (en) Variable voltage planer control
GB992175A (en) Improvements in and relating to the control of a.c. motors
SU1094769A1 (ru) Электропривод переменно-посто нного тока автономного транспортного средства
SU1053253A1 (ru) Электропривод
ES445807A1 (es) Dispositivo para grupos compresores de refrigeracion con ac-cionamiento por motor doble de corriente continua.
US2018218A (en) Regulating system

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee