Title:
マルチレベル高速可変速駆動
Document Type and Number:
Japanese Patent JP6837069
Kind Code:
B2
Abstract:
A multi-level high-speed adjustable speed drive has a plurality of modular multilevel, 3-phase inverter bridges, wherein the multilevel, 3-phase inverter bridges operate with fundamental frequency, f, wherein the multilevel, 3-phase inverter bridges include at least three levels, wherein the multilevel, 3-phase inverter bridges operate in Pulse-Width Modulation (PWM) mode with 9 to 21× or operating in Fundamental Frequency Mode (FFM), wherein inverter commutation frequency equals the fundamental frequency, wherein the multilevel, 3-phase inverters operate with split phase such that one group is displaced from the other by an angle, θ=60°/q, wherein the phase displacement of a harmonic component of order n between groups, θn is nθ/q; a high-speed polyphase motor with phases arranged in q 3-phase groups; and electromagnetic means for blocking selected groups of harmonics while passing components at fundamental frequency, f, wherein the electromagnetic means includes coils carrying motor current linked by a magnetic core, wherein the electromagnetic means is interposed between the plurality of modular multilevel, 3-phase inverter bridges and the high-speed polyphase motor.
More Like This:
Inventors:
Santa Maria, George Thomas
Application Number:
JP2018540129A
Publication Date:
March 03, 2021
Filing Date:
September 26, 2016
Export Citation:
Assignee:
GENERAL ATOMICS
International Classes:
H02M7/48; H02P25/22; H02P27/14
Foreign References:
| US20090045782 | ||||
| US5574631 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito