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2 700 243

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IPC

B60L9/08(2006-01-01)

B60L15/08(2006-01-01)

H02P7/10(2006-01-01)

(21) (22)

Application

2018144993, 2018-12-19

(24)

Start date

2018-12-19

(22)

Actual filing date

2018-12-19

(45)

Published

2019-09-13

(72)

Inventor

Melnichenko Oleg ValerevichPortnoj Aleksandr YurevichShramko Sergej GennadevichLinkov Aleksej OlegovichYagovkin Dmitrij AndreevichVolchek Tatyana Vitalevna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zheleznye Dorogi"

DEVICE FOR ATTENUATION OF MAGNETIC FIELD OF TRACTION ELECTRIC MOTOR OF AC ELECTRIC LOCOMOTIVE Russian patent published in 2019 - IPC B60L9/08 B60L15/08 H02P7/10

Abstract RU 2700243 C1

FIELD: electrician; vehicles.

SUBSTANCE: invention relates to the vehicles electrical traction systems. Device for attenuation of magnetic field of traction motor of AC electric locomotive consists of series-connected diode and IGBT-transistor, protective diode connected to positive power bus of motor, driver of IGBT-transistor, current sensor arranged in traction motor armature winding circuit, voltage sensor included in power transformer auxiliary winding. Driver input is connected to field bypass control system, and output is connected to IGBT-transistor. Series-connected diode and the IGBT-transistor are connected in parallel to the excitation winding, and the second diode is connected to the armature winding of the traction motor. Control system generates control pulses of IGBT-transistor by criterion of maximum power factor of electric locomotive.

EFFECT: technical result consists in improvement of power factor of electric locomotive, reduction of coefficient of current sinusoidal distortion and reduction of electric energy consumption.

1 cl, 1 dwg

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RU 2 700 243 C1

Authors

Melnichenko Oleg Valerevich

Portnoj Aleksandr Yurevich

Shramko Sergej Gennadevich

Linkov Aleksej Olegovich

Yagovkin Dmitrij Andreevich

Volchek Tatyana Vitalevna

Dates

2019-09-13—Published

2018-12-19—Filed