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Patent Searching and Data


Title:
APPARATUS AND METHOD FOR CONTROLLING THE SPEED OF A WOUND-ROTOR INDUCTION MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/105676
Kind Code:
A1
Abstract:
The present invention relates to an apparatus and method for controlling the speed of a wound-rotor induction motor. Specifically, a wound-rotor induction motor according to one embodiment of the present invention comprises: a rectifying unit receiving AC power from rotor windings of the wound-rotor induction motor and rectifying the AC power to DC power; a switching unit connected to an output end of the rectifying unit and adjusting a turn-on time in response to a switching control unit; a power storage unit receiving and storing power which is induced by a rotor of the wound-rotor induction motor during a turn-off time of the switching unit; a power regeneration unit supplying the power stored in the power storage unit to an external power system; a control unit controlling a switching operation of the switching unit such that the speed or torque of the wound-rotor induction motor is the same as that required by a user, and controlling operating conditions of the power regeneration unit.

Inventors:
PARK, Si-Woo (No. Gwanak Town Cheonggu, Buheung-dong Dongan-g, Anyang-si Gyeonggi-do 431-790, 431-790, KR)
박시우 (경기도 안양시 동안구 부흥동 관악타운청구 133동 2501호, 431-790 Gyeonggi-do, 431-790, KR)
Application Number:
KR2010/007480
Publication Date:
September 01, 2011
Filing Date:
October 28, 2010
Export Citation:
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Assignee:
XYVEC CP.,LTD (Pohang Technopark #3 Venture-111, 601, Jigok-dong, Nam-g, Pohang-si Gyeongsangbuk-do 790-834, 790-834, KR)
주식회사 자이벡 (경상북도 포항시 남구 지곡동 601 포항테크노파크 3벤처동 111호, 790-834 Gyeongsangbuk-do, 790-834, KR)
PARK, Si-Woo (No. Gwanak Town Cheonggu, Buheung-dong Dongan-g, Anyang-si Gyeonggi-do 431-790, 431-790, KR)
International Classes:
H02P3/14; H02P23/02
Foreign References:
JP2001238478A
JP2002027789A
JPH09135589A
JP2001025291A
Attorney, Agent or Firm:
PANKOREA PATENT AND LAW FIRM (Seolim Bldg, 649-10, Yoksam-Dong, Kangnam-Ku, Seoul 135-080, 135-080, KR)
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Claims: