SU1603516A1 - A.c. electric drive - Google Patents
A.c. electric drive Download PDFInfo
- Publication number
- SU1603516A1 SU1603516A1 SU884403077A SU4403077A SU1603516A1 SU 1603516 A1 SU1603516 A1 SU 1603516A1 SU 884403077 A SU884403077 A SU 884403077A SU 4403077 A SU4403077 A SU 4403077A SU 1603516 A1 SU1603516 A1 SU 1603516A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- winding
- motor
- drive
- synchronous motor
- engine
- Prior art date
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- Synchronous Machinery (AREA)
Abstract
Изобретение относитс к электротехнике. Целью изобретени вл етс повышение надежности, упрощение конструкции и расширение функциональных возможностей. С этой целью в электроприводе переменного тока статорна обмотка синхронного двигател 1 выполнена с числом пар полюсов, а одно из плеч многофазного выпр мител выполнено на управл емых вентил х (тиристорах) 5. При работе электропривода в период пуска обмотка возбуждени синхронного двигател 1 выполн ет роль сопротивлени в цепи обмотки 6 асинхронного двигател 2. Т.к. цепь этой обмотки несимметрична из-за непровод щего состо ни вентилей 5, привод вращаетс со скоростью, примерно равной номинальной скорости двигател 1. После включени коммутатора 8 двигатель 1 вт гиваетс в синхронизм, двигатель 2 принимает на себ часть механической нагрузки, пита одновременно обмотку возбуждени двигател 1. Тем самым исключены дорогосто щий возбудитель, контакты колец двигател 1. 1 з.п. ф-лы, 2 ил.The invention relates to electrical engineering. The aim of the invention is to increase reliability, simplify the design and expand functionality. For this purpose, in the AC drive, the stator winding of the synchronous motor 1 is made with the number of pole pairs, and one of the shoulders of the multiphase rectifier is made on controlled thyristors 5. When the drive is in operation, the excitation winding of the synchronous motor 1 plays the role resistance in the winding circuit of 6 induction motor 2. Because the circuit of this winding is asymmetrical due to the non-conductive state of the valves 5, the drive rotates at a speed approximately equal to the nominal speed of the engine 1. After switching on the switch 8, the motor 1 is sucked in synchronism, the motor 2 takes on a part of the mechanical load, and the exciter winding is simultaneously engine 1. This excludes the expensive pathogen, the contacts of the engine rings 1. 1 c.p. f-ly, 2 ill.
Description
А/лA / L
,5 ,2 0,65, 2 0.6
OJ 0,2 0.3 Q,if 0,5 0.60.7018 о .Э 7.0OJ 0.2 0.3 Q, if 0.5 0.60.7018 о. Э 7.0
Фиг.FIG.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884403077A SU1603516A1 (en) | 1988-04-04 | 1988-04-04 | A.c. electric drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884403077A SU1603516A1 (en) | 1988-04-04 | 1988-04-04 | A.c. electric drive |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1603516A1 true SU1603516A1 (en) | 1990-10-30 |
Family
ID=21365716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU884403077A SU1603516A1 (en) | 1988-04-04 | 1988-04-04 | A.c. electric drive |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1603516A1 (en) |
-
1988
- 1988-04-04 SU SU884403077A patent/SU1603516A1/en active
Non-Patent Citations (1)
Title |
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Патент DE № 3445417, кл. Н02Р 1/46, 1986 Патент Швейцарии Ь 544447 кл Н02Р 1/50, 1972 „ Патент US № 3823357, кл. 7Н02Р 1/50, 1974. * |
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