| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric compressor controller for promptly raising revolving speed to target revolving speed.SOLUTION: A motor drive controller 4 driving a motor 2 that drives a compressor 3 by controlling a motor drive unit 5 connected to the motor 2, comprises: a revolving-speed-command generation unit 24 generating a revolving speed command for driving the motor 2; a revolving-speed-difference calculation unit 22 calculating difference between actual revolving speed measured by a revolving-speed measuring unit 21 and the revolving speed command generated by the revolving-speed-command generation unit 24; and a revolving-speed-command-value selection unit 23 selecting a revolving speed command value in response to the revolving speed difference calculated by the revolving-speed-difference calculation unit 22 from among a plurality of revolving speed command values, the revolving-speed-command generation unit 24 determining a next revolving speed command in response to the revolving speed command value selected by the revolving-speed-command-value selection unit 23, and varying a time interval for determining the next revolving speed command in response to pressure difference between a discharge side and an intake side in the compressor 3. |
