Title:
【発明の名称】周波数変換器の制御方法及びその方法を適用した周波数変換器
Document Type and Number:
Japanese Patent JP2533915
Kind Code:
B2
Abstract:
A method for controlling a frequency converter having multi-phase output is disclosed and a frequency converter for applying the method. In order to achieve a good waveform the currents of the frequency converter are controlled via modulation in such manner that the current modulation periods of each phase are interlaced with the modulation periods of the other phases.
Inventors:
HEIKI TSUUSA
Application Number:
JP14556188A
Publication Date:
September 11, 1996
Filing Date:
June 13, 1988
Export Citation:
Assignee:
KONE ELEVATOR GMBH
International Classes:
H02M5/458; (IPC1-7): H02M7/48; H02M7/5387
Domestic Patent References:
| JP62160079A |
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)