GB2081942B - Controlling direct current in inductive loads - Google Patents
Controlling direct current in inductive loadsInfo
- Publication number
- GB2081942B GB2081942B GB8113925A GB8113925A GB2081942B GB 2081942 B GB2081942 B GB 2081942B GB 8113925 A GB8113925 A GB 8113925A GB 8113925 A GB8113925 A GB 8113925A GB 2081942 B GB2081942 B GB 2081942B
- Authority
- GB
- United Kingdom
- Prior art keywords
- direct current
- inductive loads
- controlling direct
- controlling
- inductive
- 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
- 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
- H02P7/2913—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 whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
- H01H47/325—Energising current supplied by semiconductor device by switching regulator
-
- 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
- H02M3/145—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 triode or transistor type requiring continuous application of a control signal
- H02M3/155—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—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 triode or transistor type requiring continuous application of a control signal 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
- 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
- H02M3/145—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 triode or transistor type requiring continuous application of a control signal
- H02M3/155—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/1555—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only for the generation of a regulated current to a load whose impedance is substantially inductive
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16976480A | 1980-07-17 | 1980-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2081942A GB2081942A (en) | 1982-02-24 |
GB2081942B true GB2081942B (en) | 1984-04-18 |
Family
ID=22617082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8113925A Expired GB2081942B (en) | 1980-07-17 | 1981-05-07 | Controlling direct current in inductive loads |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU526883B2 (en) |
CA (1) | CA1173503A (en) |
GB (1) | GB2081942B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3727283A1 (en) * | 1987-08-12 | 1989-02-23 | Mannesmann Ag | CHOPPER CIRCUIT FOR CONTROLLING ELECTROMAGNETIC AND / OR STEPPING MOTOR COILS, ESPECIALLY FOR A MATRIX PRINTER |
DE19920307A1 (en) * | 1999-05-03 | 2000-11-16 | St Microelectronics Gmbh | Electrical circuit for controlling a load |
DE19920306B4 (en) | 1999-05-03 | 2008-02-28 | Stmicroelectronics Gmbh | Circuit device for controlling the current through an inductive load |
US9112443B2 (en) * | 2012-08-30 | 2015-08-18 | Nxp B.V. | Current controlled actuator driver with improved accuracy at low current |
-
1981
- 1981-05-06 AU AU70193/81A patent/AU526883B2/en not_active Ceased
- 1981-05-07 GB GB8113925A patent/GB2081942B/en not_active Expired
- 1981-07-06 CA CA000381170A patent/CA1173503A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1173503A (en) | 1984-08-28 |
GB2081942A (en) | 1982-02-24 |
AU7019381A (en) | 1982-04-08 |
AU526883B2 (en) | 1983-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5713628A (en) | Direct current electromagnetic contactor | |
JPS5775596A (en) | Power factor controller | |
GB2112598B (en) | Control circuit for switching inductive loads | |
JPS55134412A (en) | Circuit for controlling rush current into load | |
DE3173203D1 (en) | Load-carrying trolleys | |
GB2111259B (en) | Regulating load current | |
JPS5734732A (en) | Load management controller | |
GB8527004D0 (en) | Current controlling device | |
JPS5694412A (en) | Controller for current in inductive load | |
GB2117204B (en) | Improvements in or relating to inductive load switching control circuits | |
GB2067859B (en) | Load control circuitry | |
DE3169190D1 (en) | Current controlled gate | |
JPS5782417A (en) | Iron oxide direct reduction | |
GB2081942B (en) | Controlling direct current in inductive loads | |
GB8502049D0 (en) | Controlling current density | |
GB8333349D0 (en) | Power control | |
JPS57101381A (en) | Illumination load concentrated controller | |
JPS5713627A (en) | Direct current electromagnetic contactor | |
JPS57885A (en) | Illumination load concentrated controller | |
GB2073641B (en) | Controlling crater shape in electrical discharge machining | |
JPS573528A (en) | Power factor controller | |
JPS57106349A (en) | Power load control device | |
GB8416134D0 (en) | Output current controller | |
JPS56151856A (en) | Shunt for soldaring in furnace | |
JPS576534A (en) | Power factor controller |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |