SU411595A1 - - Google Patents

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Publication number
SU411595A1
SU411595A1 SU1406316A SU1406316A SU411595A1 SU 411595 A1 SU411595 A1 SU 411595A1 SU 1406316 A SU1406316 A SU 1406316A SU 1406316 A SU1406316 A SU 1406316A SU 411595 A1 SU411595 A1 SU 411595A1
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SU
USSR - Soviet Union
Prior art keywords
motor
neutral
source
phases
zero point
Prior art date
Application number
SU1406316A
Other languages
Russian (ru)
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.)
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Publication date
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Priority to SU1406316A priority Critical patent/SU411595A1/ru
Application granted granted Critical
Publication of SU411595A1 publication Critical patent/SU411595A1/ru

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Description

1one

Известны устройства дл  торможени  асинхронного короткозамкнутого двигател , содержащие источник посто нного тока, подключенный к нейтрали обмоток двигател  и элементам, образующим искусственную нулевую точку.Devices for braking an asynchronous short-circuited motor are known, which contain a direct current source connected to the neutral of the motor windings and elements forming an artificial zero point.

Дл  упрощени  получени  ползучей скорости двигател  при использовании устройства с однообмоточныг двухскоростным двигателем в предлагаемом устройстве в качестве элементов, образующих искусственную нулевую точку, использованы две полуфазы обмоток двигател , включенных по схеме двойной звезды, а источник посто нного тока подключен между нейтралью одной звезды и средней точкой двух других полуфаз.To simplify creeping motor speed when using a device with a single-winding two-speed motor, in the proposed device, two half-phases of the motor windings, connected according to the double star circuit, are used as elements forming an artificial zero point, between the neutral of one star and the midpoint two other semi-phases.

Между одним из выводов источника и нейтралью обмоток двигател  дл  увеличени  симметрии может быть введен резистор.A resistor can be inserted between one of the source pins and the neutral of the motor windings to increase symmetry.

На чертеже дана принципиальна  схема описываемого устройства.The drawing is a schematic diagram of the described device.

Устройство содержит источник 1 посто нного тока, подключенный между нейтралью одной звезды и средней точкой двух других полуфаз обмотки 2 асинхронного двигател , и резистор 3 дл  поддержани  симметрии схемы . Посто нный ток протекает по всем обмоткам асинхронного двигател : от источника 1 посто нного тока через фазы А и СThe device contains a source of direct current 1, connected between the neutral of one star and the midpoint of the two other semi-phases of the winding 2 of the induction motor, and a resistor 3 to maintain the symmetry of the circuit. DC current flows through all windings of an induction motor: from DC source 1 through phases A and C

электродвигател  и из сети через фазу В (посто нна  составл юща  однополупериодного выпр млени ), источник 1, резистор 3 и полуобмотки фаз А и С. Величина посто нной составл ющей выпр мленного напр жени  сети может регулироватьс  резистором так, чтобы асимметри  схемы по посто нному току была минимальной.motor and from the network through phase B (constant half-wave rectifying component), source 1, resistor 3 and phase winding A and C. The value of the constant rectified voltage component of the network can be adjusted by a resistor so that the asymmetry of the circuit is constant current was minimal.

Предмет изобретени Subject invention

Claims (2)

1.Устройство дл  торможени  асинхронного короткозамкнутого двигател , содержащее источник носто нного тока, подключенный к нейтрали обмоток двигател  и элементам, образующим искусственную нулевую точку, о тличающеес  тем, что, с целью упрощени  получени  ползучей скорости двигател  при применении устройства с однообмоточным двухскоростным двигателем, в качестве элементов , образующих искусственную нулевую точку, использованы две полуфазы обмоток двигател , включенных по схеме двойной звезды , а источник посто нного тока подключен между нейтралью одной звезды и средней точкой двух других полуфаз.1. A device for braking an asynchronous short-circuited motor containing a source of constant current connected to the neutral of the motor windings and elements forming an artificial zero point, in order to simplify the creeping of the motor when using a device with a single-winding two-speed motor As the elements forming the artificial zero point, two half-phases of the motor windings, connected according to the double star scheme, are used, and the DC source is connected to Between the neutral of one star and the midpoint of the other two semi-phases. 2.Устройство по п. 1, отличающеес  тем, что, с целью увеличени  симметрии, между одним из выводов источника и нейтралью обмоток двигател  введен резистор.2. The device according to claim 1, characterized in that, in order to increase symmetry, a resistor is inserted between one of the source terminals and the neutral of the motor windings.
SU1406316A 1970-02-26 1970-02-26 SU411595A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1406316A SU411595A1 (en) 1970-02-26 1970-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1406316A SU411595A1 (en) 1970-02-26 1970-02-26

Publications (1)

Publication Number Publication Date
SU411595A1 true SU411595A1 (en) 1974-01-15

Family

ID=20450134

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1406316A SU411595A1 (en) 1970-02-26 1970-02-26

Country Status (1)

Country Link
SU (1) SU411595A1 (en)

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