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(19)

(11)

2 397 599

(13)

(51)

IPC

H02P7/28(2006-01-01)

H02P7/298(2006-01-01)

H02P9/30(2006-01-01)

B60L9/12(2006-01-01)

(21) (22)

Application

2008141569/09, 2008-10-20

(24)

Start date

2008-10-20

(22)

Actual filing date

2008-10-20

(45)

Published

2010-08-20

(72)

Inventor

Rjabchenok Natal'Ja LeonidovnaAlekseeva Tat'Jana LeonidovnaAstrakhantsev Leonid AlekseevichAstrakhantseva Nadezhda Mikhajlovna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Irkutskij Gosudarstvennyj Universitet Putej Soobshchenija

METHOD AND DEVICE OF CURRENT CONTROL IN EXCITATION WINDINGS OF ELECTRIC MACHINES Russian patent published in 2010 - IPC H02P7/28 H02P7/298 H02P9/30 B60L9/12

Abstract RU 2397599 C2

FIELD: electricity.

SUBSTANCE: in control method and device the independent current control in excitation windings of electric machines is performed owing to smooth change of input electric resistance of the device. For that purpose, to power source enveloped with bypass diode there connected through reactor is intermediate accumulator of electric energy of high capacity. Smooth current control in excitation windings is provided with double-action power semiconductor devices which are connected to energy storage unit.

EFFECT: increasing power coefficient, its electromagnetic compatibility with supply mains, decreasing pulsations of magnetic flow of excitation winding, enlarging functional capabilities.

2 cl, 2 dwg

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RU 2 397 599 C2

Authors

Rjabchenok Natal'Ja Leonidovna

Alekseeva Tat'Jana Leonidovna

Astrakhantsev Leonid Alekseevich

Astrakhantseva Nadezhda Mikhajlovna

Dates

2010-08-20—Published

2008-10-20—Filed