GB189707096A - Improved Method of Regulating the Speed of Series Electric Motors. - Google Patents

Improved Method of Regulating the Speed of Series Electric Motors.

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Publication number
GB189707096A
GB189707096A GB189707096DA GB189707096A GB 189707096 A GB189707096 A GB 189707096A GB 189707096D A GB189707096D A GB 189707096DA GB 189707096 A GB189707096 A GB 189707096A
Authority
GB
United Kingdom
Prior art keywords
speed
battery
shunt
regulating
motor
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
Application number
Inventor
Horace Field Parshall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB189707096A publication Critical patent/GB189707096A/en
Expired legal-status Critical Current

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Abstract

7096. Parshall, H. F. March 18. Motors, controlling.-The Figures show a method of regulating the speed of a series electric motor, by using a storage battery B in shunt to the whole or part of the series coil C of the motor. In Fig. 1 the battery is in shunt to the whole of the main series coil, and has in its circuit a resistance R, which can be varied by means of the switch S. In Fig. 3, the resistance R is omitted and the battery is put in shunt with some of the series coils, the number of which is varied by means of the switch S. The battery circuit, including a variable resistance, may be in shunt with part of the main series coil. Below a certain speed of the motor, the battery is charged, while above this speed the battery supplies a current to retard the motor and so maintain a constant ratio of speed, which is varied as required by means of the switch S. The invention is applicable to electric tramears.
GB189707096D 1897-03-18 1897-03-18 Improved Method of Regulating the Speed of Series Electric Motors. Expired GB189707096A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189707096T 1897-03-18

Publications (1)

Publication Number Publication Date
GB189707096A true GB189707096A (en) 1897-05-29

Family

ID=32413040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189707096D Expired GB189707096A (en) 1897-03-18 1897-03-18 Improved Method of Regulating the Speed of Series Electric Motors.

Country Status (1)

Country Link
GB (1) GB189707096A (en)

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