| 摘要 |
Control means (5) for outputting a voltage instruction for drive control to a electric rotating machine (1) includes a drive voltage instruction calculation section (6) for calculating drive voltage instructions for driving the electric rotating machine (1), a position estimation voltage generator (7) for generating position estimation voltage instructions for position estimation about the electric rotating machine (1), a noise reduction voltage generator (8) for generating noise reduction voltage instructions for reducing noise occurring from the electric rotating machine (1) along with input of the position estimation voltage instructions to the electric rotating machine (1), and adders (20u, 20v, and 20w) for outputting, to voltage application means (3), a voltage instruction obtained by adding the position estimation voltage instructions and the noise reduction voltage instructions to the drive voltage instructions. |
