ZA796737B - Chopper with adaptive energy commutation - Google Patents
Chopper with adaptive energy commutationInfo
- Publication number
- ZA796737B ZA796737B ZA00796737A ZA796737A ZA796737B ZA 796737 B ZA796737 B ZA 796737B ZA 00796737 A ZA00796737 A ZA 00796737A ZA 796737 A ZA796737 A ZA 796737A ZA 796737 B ZA796737 B ZA 796737B
- Authority
- ZA
- South Africa
- Prior art keywords
- chopper
- adaptive energy
- energy commutation
- commutation
- adaptive
- Prior art date
Links
Classifications
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/125—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M3/135—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M3/137—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/917—Thyristor or scr
- Y10S388/919—Triggered by resistor or capacitor
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/917—Thyristor or scr
- Y10S388/92—Chopper
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Dc-Dc Converters (AREA)
- Control Of Multiple Motors (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/973,973 US4284938A (en) | 1978-12-28 | 1978-12-28 | Chopper with adaptive energy commutation |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA796737B true ZA796737B (en) | 1981-07-29 |
Family
ID=25521424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00796737A ZA796737B (en) | 1978-12-28 | 1979-12-12 | Chopper with adaptive energy commutation |
Country Status (9)
Country | Link |
---|---|
US (1) | US4284938A (de) |
JP (1) | JPS55114179A (de) |
AU (1) | AU525059B2 (de) |
BR (1) | BR7908535A (de) |
DE (1) | DE2951468A1 (de) |
ES (1) | ES487262A1 (de) |
FR (1) | FR2445655A1 (de) |
MX (1) | MX147879A (de) |
ZA (1) | ZA796737B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4366531A (en) * | 1980-09-17 | 1982-12-28 | General Motors Corporation | Phase control for a multiple phase SCR chopper |
DE3242316A1 (de) * | 1982-11-16 | 1984-05-24 | Danfoss A/S, Nordborg | Vorrichtung zur versorgung eines elektrischen verbrauchers mit einer hohen gleichspannung |
US4733146A (en) * | 1984-11-09 | 1988-03-22 | Reliance Electric Company | Energy recovery system for cyclic drives |
DE4013967A1 (de) * | 1990-04-30 | 1991-11-07 | Retronic Prozess Systemtechnik | Schaltungsanordnung fuer einen asynchronmotor |
US5710495A (en) * | 1996-08-14 | 1998-01-20 | Texas Instruments Incorporated | Apparatus and method for measuring average motor current |
JP6607049B2 (ja) * | 2016-01-13 | 2019-11-20 | 富士電機株式会社 | 半導体装置およびスイッチング電源装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1048997A (en) * | 1963-10-05 | 1966-11-23 | Sevcon Engineering Company | Improvements in or relating to control means for electrical apparatus |
US3360712A (en) * | 1963-12-27 | 1967-12-26 | Gen Electric | Time ratio control and inverter power circuits |
GB1189116A (en) * | 1966-06-27 | 1970-04-22 | Lucas Industries Ltd | Thyristor Circuits |
GB1227138A (de) * | 1967-06-14 | 1971-04-07 | ||
GB1272401A (en) * | 1968-05-13 | 1972-04-26 | Sevcon Eng Ltd | Improvements in or relating to static switching controllers for effecting repetitive connection to and disconnection from an inductive load of a d.c. source |
US3657625A (en) * | 1969-11-24 | 1972-04-18 | Westinghouse Electric Corp | System for blending dynamic and regenerative braking |
JPS5037366B1 (de) * | 1970-03-20 | 1975-12-02 | ||
NL7415003A (nl) * | 1974-01-14 | 1975-07-16 | Siemens Ag | Eenfasige gelijkspanningsomzetter voor pulsbe- sturing van de spanning over een inductieve be- lasting, alsmede werkwijze voor het bedrijven van een dergelijke omzetter. |
GB1523876A (en) * | 1974-09-12 | 1978-09-06 | Wickmann Machine Tool Sales Lt | Multi spindle lathes |
US3993942A (en) * | 1975-09-11 | 1976-11-23 | Allis-Chalmers Corporation | Forced commutation chopper having current limit |
US4032825A (en) * | 1975-10-28 | 1977-06-28 | Cleveland Machine Controls, Inc. | Commutating oscillator and current-limiter for solid state switching circuits |
US4074175A (en) * | 1976-04-15 | 1978-02-14 | General Electric Company | Inductive load current measuring circuit |
DE2746685A1 (de) * | 1976-12-07 | 1978-06-08 | Gen Electric | Vorrichtung und verfahren zur leistungswandlung |
-
1978
- 1978-12-28 US US05/973,973 patent/US4284938A/en not_active Expired - Lifetime
-
1979
- 1979-12-12 ZA ZA00796737A patent/ZA796737B/xx unknown
- 1979-12-17 AU AU53924/79A patent/AU525059B2/en not_active Ceased
- 1979-12-20 DE DE19792951468 patent/DE2951468A1/de not_active Withdrawn
- 1979-12-26 ES ES487262A patent/ES487262A1/es not_active Expired
- 1979-12-27 FR FR7931778A patent/FR2445655A1/fr active Granted
- 1979-12-27 BR BR7908535A patent/BR7908535A/pt unknown
- 1979-12-28 JP JP17402379A patent/JPS55114179A/ja active Pending
-
1980
- 1980-01-02 MX MX180605A patent/MX147879A/es unknown
Also Published As
Publication number | Publication date |
---|---|
US4284938A (en) | 1981-08-18 |
AU5392479A (en) | 1980-07-03 |
DE2951468A1 (de) | 1980-07-17 |
FR2445655B1 (de) | 1984-11-23 |
ES487262A1 (es) | 1980-08-01 |
FR2445655A1 (fr) | 1980-07-25 |
JPS55114179A (en) | 1980-09-03 |
MX147879A (es) | 1983-01-26 |
AU525059B2 (en) | 1982-10-14 |
BR7908535A (pt) | 1980-08-26 |
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