SU56181A1 - Device for maintaining constant current during acceleration and deceleration of a reversing motor powered by a controlled mercury rectifier - Google Patents
Device for maintaining constant current during acceleration and deceleration of a reversing motor powered by a controlled mercury rectifierInfo
- Publication number
- SU56181A1 SU56181A1 SU18287A SU18287A SU56181A1 SU 56181 A1 SU56181 A1 SU 56181A1 SU 18287 A SU18287 A SU 18287A SU 18287 A SU18287 A SU 18287A SU 56181 A1 SU56181 A1 SU 56181A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- deceleration
- constant current
- current during
- during acceleration
- maintaining constant
- Prior art date
Links
- 230000001133 acceleration Effects 0.000 title description 3
- 229910052753 mercury Inorganic materials 0.000 title description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title description 2
- 230000005284 excitation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Description
Дл реверсивных приводов с большим числом реверсов в минуту (реверсивные прокатные станы) чрезвычайно важно проводить разгон и торможение электродвигател при посто нной силе тока; это обеспечивает максимальную скорость реверса при минимальных перегрузках двигател .For reversing drives with a large number of reverses per minute (reversing rolling mills) it is extremely important to accelerate and decelerate the motor at a constant amperage; This ensures maximum reverse speed with minimal engine overload.
В схемах с питанием двигател от управл емых ртутных выпр мителей посто нство силы тока при разгоне и торможении может быть достигнуто с помощью сеточного управлени .In motor-powered circuits from controlled mercury rectifiers, the constancy of the current during acceleration and deceleration can be achieved using grid control.
Предметом насто щего авторского свидетельства вл етс устройство, позвол ющее достичь указанной цели в период разгона и торможени электродвигател .The subject of this author's certificate is a device that allows to achieve this goal during the acceleration and deceleration of the electric motor.
Сущность изобретени по сн етс чертежом, на котором дана упрощенна электрическа схема предлагаемого устройства.The invention is illustrated in the drawing, which shows a simplified electrical circuit of the device.
На чертеже имеютс следующие обозначени :In the drawing there are the following designations:
/ - трансформатор, питающий выпр митель/ - transformer, power supply rectifier
2- ртутный выпр митель2- mercury rectifier
3- приводной электродвигатель3-drive electric motor
4- сеточные пиковые трансформа .торы4-grid peak transform .tors
5- дроссели в цепи сеточных трансформаторов5- chokes in a grid transformer circuit
6- фазорегул тор6 phase regulator
7- источник «запирающего напр жени 7- source “locking voltage
8- сеточные сопротивлени 8- grid resistances
9- подмагничивающие обмотки пиковых трансформаторов9- magnetizing windings of peak transformers
/О - вспомогательный генератор посто нного тока/ O - Auxiliary DC Generator
// - шунт в цепи приводного двигател // - shunt in the drive motor circuit
12 к. 13 - шины посто нного напр жени 12 v. 13 - bus tires
14 к 15 - регулировочные сопротивлени 14 to 15 - adjusting resistances
16- асинхронный двигатель, привод щий во вращение генератор 1016- asynchronous motor, driving a generator 10
17- контакт реле, включающего схему.17- contact of the relay, including the circuit.
Схема работает следующим образом. Если ток в коре приводного двигател 5 равен заданной величине, напр жение на клеммах вспомогательного генератора 10, обмотка возбуждени которого питаетс от шунта //, равноThe scheme works as follows. If the current in the bark of the drive motor 5 is equal to a predetermined value, the voltage at the terminals of the auxiliary generator 10, the excitation winding of which is powered by the shunt, is equal to
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU56181A1 true SU56181A1 (en) | 1939-12-31 |
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