GB1511301A - Pulse controlled system - Google Patents
Pulse controlled systemInfo
- Publication number
- GB1511301A GB1511301A GB11615/75A GB1161575A GB1511301A GB 1511301 A GB1511301 A GB 1511301A GB 11615/75 A GB11615/75 A GB 11615/75A GB 1161575 A GB1161575 A GB 1161575A GB 1511301 A GB1511301 A GB 1511301A
- Authority
- GB
- United Kingdom
- Prior art keywords
- scr
- capacitor
- load
- main switching
- switching means
- 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
- 239000003990 capacitor Substances 0.000 abstract 9
- 238000004804 winding Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
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
- H02M1/00—Details of apparatus for conversion
- H02M1/06—Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US456465A US3890549A (en) | 1974-04-01 | 1974-04-01 | Pulse control system power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1511301A true GB1511301A (en) | 1978-05-17 |
Family
ID=23812867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11615/75A Expired GB1511301A (en) | 1974-04-01 | 1975-03-20 | Pulse controlled system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3890549A (enExample) |
| JP (1) | JPS562504B2 (enExample) |
| CA (1) | CA1042507A (enExample) |
| FR (1) | FR2330071A1 (enExample) |
| GB (1) | GB1511301A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282465A (en) * | 1978-02-01 | 1981-08-04 | United States Steel Corporation | Vehicle control system |
| US4443744A (en) * | 1982-12-27 | 1984-04-17 | General Electric Company | Method and apparatus for charge enhancement of a commutating capacitor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1123022A (en) * | 1965-03-12 | 1968-08-07 | Ransomes Sims & Jefferies Ltd | Improvements in static switching controllers for effecting connection to a d.c. electric motor and disconnection from the motor of a battery |
| GB1267345A (en) * | 1968-04-11 | 1972-03-15 | Westinghouse Brake & Signal | Improvements to duty cycle control apparatus |
| US3803472A (en) * | 1972-12-29 | 1974-04-09 | Gen Electric | Controlled variable time ratio control circuit |
| US3826959A (en) * | 1973-06-13 | 1974-07-30 | Gen Electric | Bypass contactor circuit |
-
1974
- 1974-04-01 US US456465A patent/US3890549A/en not_active Expired - Lifetime
-
1975
- 1975-02-17 CA CA220,395A patent/CA1042507A/en not_active Expired
- 1975-03-20 GB GB11615/75A patent/GB1511301A/en not_active Expired
- 1975-03-28 FR FR7509856A patent/FR2330071A1/fr active Granted
- 1975-04-01 JP JP3863875A patent/JPS562504B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2330071B1 (enExample) | 1980-09-26 |
| CA1042507A (en) | 1978-11-14 |
| JPS562504B2 (enExample) | 1981-01-20 |
| US3890549A (en) | 1975-06-17 |
| JPS50140819A (enExample) | 1975-11-12 |
| FR2330071A1 (fr) | 1977-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19950319 |