GB190504504A - Improved Method of and Means of Governing or Controlling Electrically-driven Winding Machinery, Rolling Mills and the like. - Google Patents
Improved Method of and Means of Governing or Controlling Electrically-driven Winding Machinery, Rolling Mills and the like.Info
- Publication number
- GB190504504A GB190504504A GB190504504DA GB190504504A GB 190504504 A GB190504504 A GB 190504504A GB 190504504D A GB190504504D A GB 190504504DA GB 190504504 A GB190504504 A GB 190504504A
- Authority
- GB
- United Kingdom
- Prior art keywords
- motor
- generator
- fly
- current
- operated
- 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
Landscapes
- Control Of Eletrric Generators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
4504. Pieper, H. March 4. Distributing; regulating. -Relates to a method of controlling electric motors for driving intermittently-working machines such as colliery and like winding engines, rolling-mills, and the like, whereby the output of the generator is maintained uniform, power being accumulated by a By-wheel connected with a supplementary dynamo-electric machine when the motor is running on light load and restored to the motor when the load is increased. In working the system, as shown applied to a winding-engine in Fig. 4, three-phase current is transformed by means of a synchronous motor 2 coupled to the generator 1 or by means of any other rotary transformer into continuous current, by which the generator 1, the fly-wheel dynamo 4, and the motor 3, which are connected in series, are excited. The output of the generator is maintained uniform, despite variations in the current it supplies to the motor 3, by means of a rheostat 10 which is operated by a three-phase motor 11 under the control of an adjustable spring 12. The maximum output of the generator 1, and therefore the maximum speed of the motor 3, is controlled by a rheostat 13 which is operated by hand. In order to start the motor after one of its stoppages, in which the electromotive forces of the generator 1 and fly-wheel machine 4 are equal and opposite, the current in the excitation coils of the fly-wheel machine 4 is gradually decreased to zero and then increased in the opposite direction by means of a switch 6 operated by a hand-lever 9, the fly-wheel machine being thus converted from a motor to a generator. To slacken the speed and stop the motor 3, the reverse operation is performed. The motor 3 may be independently controlled by a switch 8 operated by a hand-lever 5. By means of this switch the armature and the series winding 7 ,of the motor 3 may. be short-circuited, the independent excitation regulated, and the direction of the current in the armature reversed so as to reverse the rotation of the motor. The fly-wheel machine may be short-circuited by the switch 15, and the speed of the motor 3 regulated by varying the excitation of the generator 1 by the rheostat 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190504504T | 1905-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190504504A true GB190504504A (en) | 1906-01-18 |
Family
ID=32629271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190504504D Expired GB190504504A (en) | 1905-03-04 | 1905-03-04 | Improved Method of and Means of Governing or Controlling Electrically-driven Winding Machinery, Rolling Mills and the like. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190504504A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250850A (en) * | 2021-04-26 | 2021-08-13 | 上海齐耀动力技术有限公司 | Hot air engine power generation method and system |
-
1905
- 1905-03-04 GB GB190504504D patent/GB190504504A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113250850A (en) * | 2021-04-26 | 2021-08-13 | 上海齐耀动力技术有限公司 | Hot air engine power generation method and system |
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