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2 178 944

(13)

(51)

IPC

(21) (22)

Application

2000106426/09, 2000-03-17

(24)

Start date

2000-03-17

(22)

Actual filing date

2000-03-17

(45)

Published

2002-01-27

(72)

Inventor

Mirimanjan V.Kh.Nerush A.V.

(73)

Holder

Mirimanjan Vigen KhachaturovichLepekha Anatolij IvanovichAnokhin Vladimir Dmitrievich

THREE-PHASE DRIVE (ALTERNATIVES) Russian patent published in 2002 - IPC

Abstract RU 2178944 C2

FIELD: electrical and computer engineering. SUBSTANCE: proposed drive uses high-speed ac motors. Frequency-changer power switch incorporates two control and power-switch state (ON or OFF) data signal passing channels isolated by means of optocouplers which makes it possible for the drive to dispense with transformers and especially with their circuits in power equipment of frequency changer and motor. Higher-power circuits are proposed. EFFECT: enhanced motor speed, reduced mass and size, improved power characteristics, enhanced reliability. 14 cl, 19 dwg

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RU 2 178 944 C2

Authors

Mirimanjan V.Kh.

Nerush A.V.

Dates

2002-01-27—Published

2000-03-17—Filed