ELECTRIC-MOTOR HARMONIC CURRENT ATTENUATION DEVICE Russian patent published in 2001 - IPC

Abstract RU 2161854 C2

FIELD: electrical engineering. SUBSTANCE: device depends for its operation on controlling rotational frequency of motor by variation between sine-wave and nonsinusoidal-wave voltages due to phase control of sine-wave voltage. It has reactor with E-shaped wound core and I-shaped core. EFFECT: improved reliability. 10 cl, 10 dwg, 6 tbl

Similar patents RU2161854C2

Title Year Author Number
HARMONIC CURRENT REDUCING CIRCUIT 1998
  • Kim Jung-Gu
  • Kvon Dzhin-Gon
  • Kim Bu-Kh'Eon
  • Li Gi-Jong
RU2141162C1
MECHANICAL DESIGN OF FIELD WINDING ON MOTOR STATOR CORE 1997
  • Park Ji-Song
RU2195755C2
CYCLONE TYPE DUST COLLECTING APPARATUS 2000
  • Okh Jang-Keun
RU2181254C1
DEVICE FOR TESTING ROTOR WINDING 1997
  • Lim Dzhong Su
RU2145762C1
ROTATION DRIVING APPARATUS FOR FLOOR CLEANING FABRIC BRUSH IN VACUUM CLEANER 2001
  • Li B'Jung-Dzho
RU2200450C2
APPARATUS FOR REDUCING NOISE OF VACUUM CLEANER ENGINE 1997
  • Kim Khva-Dung
RU2141783C1
APPARATUS FOR MOUNTING FAN ROTOR ON VACUUM CLEANER ENGINE 1998
  • Lim Dzhong-Su
RU2145482C1
VACUUM CLEANER WITH RECIRCULATION OF AIR FLOW 2000
  • Li Sang-Jong
  • Okh Jang-Keun
  • Song Eong-Gon
RU2181252C1
CYCLONE-TYPE DUST COLLECTING APPARATUS FOR VACUUM CLEANER 2000
  • Okh Jang-Keun
  • Kim Jong-Dal
RU2182457C1
VACUUM CLEANER WITH CYCLONE-TYPE DUST-COLLECTION APPARATUS 2000
  • Song Dzheong-Gon
  • Kim Se-Vuk
  • Kim N'Ju-Eung
  • Dzhoung Dzhin-Seul
RU2181253C2

RU 2 161 854 C2

Authors

Bu-Khijon Kim

Dates

2001-01-10Published

1997-12-19Filed