CA975454A - Power supply for refrigeration units - Google Patents
Power supply for refrigeration unitsInfo
- Publication number
- CA975454A CA975454A CA158,662A CA158662A CA975454A CA 975454 A CA975454 A CA 975454A CA 158662 A CA158662 A CA 158662A CA 975454 A CA975454 A CA 975454A
- Authority
- CA
- Canada
- Prior art keywords
- power supply
- refrigeration units
- refrigeration
- units
- supply
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/025—Motor control arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
- H02M7/5381—Parallel type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/03—AC-DC converter stage controlled to provide a defined DC link voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21464472A | 1972-01-03 | 1972-01-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA975454A true CA975454A (en) | 1975-09-30 |
Family
ID=22799889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA158,662A Expired CA975454A (en) | 1972-01-03 | 1972-12-12 | Power supply for refrigeration units |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4877305A (en) |
AR (1) | AR198401A1 (en) |
BE (1) | BE793614A (en) |
BR (1) | BR7300028D0 (en) |
CA (1) | CA975454A (en) |
DE (1) | DE2263991A1 (en) |
FR (1) | FR2167588B3 (en) |
IT (1) | IT974212B (en) |
NL (1) | NL7217797A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56107984U (en) * | 1980-01-18 | 1981-08-21 | ||
IT1147229B (en) * | 1981-03-18 | 1986-11-19 | Necchi Spa | REFRIGERATING EQUIPMENT WITH VARIABLE POWER SUPPLY MOTOR |
WO1998001939A1 (en) * | 1996-07-03 | 1998-01-15 | Hitachi, Ltd. | Power converter |
-
0
- BE BE793614D patent/BE793614A/en not_active IP Right Cessation
-
1972
- 1972-12-12 CA CA158,662A patent/CA975454A/en not_active Expired
- 1972-12-20 IT IT5490372A patent/IT974212B/en active
- 1972-12-25 JP JP444273A patent/JPS4877305A/ja active Pending
- 1972-12-29 DE DE2263991A patent/DE2263991A1/en active Pending
- 1972-12-29 AR AR24593872A patent/AR198401A1/en active
- 1972-12-29 NL NL7217797A patent/NL7217797A/xx unknown
-
1973
- 1973-01-02 BR BR2873A patent/BR7300028D0/en unknown
- 1973-01-02 FR FR7300058A patent/FR2167588B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7300028D0 (en) | 1973-08-30 |
IT974212B (en) | 1974-06-20 |
BE793614A (en) | 1973-07-02 |
JPS4877305A (en) | 1973-10-17 |
NL7217797A (en) | 1973-07-05 |
FR2167588B3 (en) | 1976-01-09 |
DE2263991A1 (en) | 1973-07-12 |
FR2167588A1 (en) | 1973-08-24 |
AR198401A1 (en) | 1974-06-21 |
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