GB698064A - Improvements in the high-speed control of electrical machines - Google Patents
Improvements in the high-speed control of electrical machinesInfo
- Publication number
- GB698064A GB698064A GB23730/51A GB2373051A GB698064A GB 698064 A GB698064 A GB 698064A GB 23730/51 A GB23730/51 A GB 23730/51A GB 2373051 A GB2373051 A GB 2373051A GB 698064 A GB698064 A GB 698064A
- Authority
- GB
- United Kingdom
- Prior art keywords
- winding
- generator
- motor
- amplidyne
- exciter
- 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
- H02P7/34—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 Ward-Leonard arrangements
Abstract
698,064. Exciting dynamo-electric machines. MBTROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Oct. 11, 1951 [Oct. 18, 1950], No. 23730/61. Class 35. [Also in Group XXXVII] A motor 2 drives a reversible rolling mill and is supplied from a generator 1 having a fullycompensated amplidyne exciter 3, a control winding 4 of which is energized from a constant source 26 through a reverser 24, a speed-setting rheostat 21, and a resistor 23 which reduces the time-constant of the circuit of the control winding. An exciter field winding 5 opposes the winding 4 and is connected across the armature of the generator 1 so that the voltage of the generator is substantially independent of the speed at which it is driven. A winding 7 is wound on the poles of the main generator so as to be energized in accordance with the rate-ofchange of generator flux and voltage, the exciter having a field winding 8 connected to the winding 7 and operating to restrict the acceleration of the motor. An excessive rate-of-change of motor armature current is prevented by means of a transformer secondary winding 11 which is connected to both a field winding 14 of the exciter 3 and the brushes 12, 13. The transformer may be replaced by an inductive shunt, or it may have two secondary windings feeding the winding 14 and the brushes 12, 13, separately. A motor field winding 16 is supplied from the source 26 through an undercompensated amplidyne 17 which opposes the voltage of the source and provides a rapid change of motor field excitation. Opposing amplidyne field windings 18, 19 are energized from the source .26, the winding 18 being controlled by a rheostat 22 which is interlocked with rheostat 21. A too rapid response of the amplidyne 17 is prevented by means of winding 27 which is connected to winding 28 linking the cross-flux of the machine. Rectifiers 29 are provided for more sensitive operation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR698064X | 1950-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB698064A true GB698064A (en) | 1953-10-07 |
Family
ID=9047497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23730/51A Expired GB698064A (en) | 1950-10-18 | 1951-10-11 | Improvements in the high-speed control of electrical machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB698064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1131778B (en) * | 1957-05-17 | 1962-06-20 | Bbc Brown Boveri & Cie | Arrangement for monitoring, regulating or limiting the acceleration of a Leonard motor fed by a Leonard generator |
-
1951
- 1951-10-11 GB GB23730/51A patent/GB698064A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1131778B (en) * | 1957-05-17 | 1962-06-20 | Bbc Brown Boveri & Cie | Arrangement for monitoring, regulating or limiting the acceleration of a Leonard motor fed by a Leonard generator |
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