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2 277 747

(13)

(51)

IPC

H02P3/24(2006-01-01)

(21) (22)

Application

2005105418/09, 2005-02-28

(24)

Start date

2005-02-28

(22)

Actual filing date

2005-02-28

(45)

Published

2006-06-10

(72)

Inventor

Malinovskij Anatolij Kuz'MichMartynenko Denis NikolaevichSpitsyn Boris AleksandrovichLebedev Sergej VladimirovichShalupenko Vladimir Fedorovich

(73)

Holder

Moskovskij Gosudarstvennyj Gornyj Universitet

ELECTRIC DRIVE Russian patent published in 2006 - IPC H02P3/24

Abstract RU 2277747 C1

FIELD: electrical engineering; electric drives for mine lifting machines.

SUBSTANCE: proposed electric drive has induction motor, three-phase rectifier bridge, starting resistor, two optical thyristors incorporating reference-voltage supply, tachometer generator, thyristor, electrolytic capacitor, line contactor with make contacts, auxiliary breaking contact in thyristor gate electrode circuit, current relay, dynamic braking resistor, and half-controlled rectifier bridge with current-limiting resistors.

EFFECT: reduced motor braking time, enhanced life of brake shoes, enhanced reliability and capacity of mine lifting installation.

1 cl, 1 dwg

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RU 2 277 747 C1

Authors

Malinovskij Anatolij Kuz'Mich

Martynenko Denis Nikolaevich

Spitsyn Boris Aleksandrovich

Lebedev Sergej Vladimirovich

Shalupenko Vladimir Fedorovich

Dates

2006-06-10—Published

2005-02-28—Filed