| 摘要 |
<p>PURPOSE:To control the width of a fluctuation in a difference in the number of revolutions of a turbine to a low value and to reduce consumption of a power by a method wherein based on a rotation decrease amount of a rotary electric machine at a level approximately equal to the given number of revolutions level, being controllable through electric drive, of the rotary electric machine, a current fed to the rotary electric machine is increased, and based on a rotation decrease amount, the current is decreased. CONSTITUTION:The given number of revolutions level, being controllable through electric drive, of a rotary electric machine 3 is set. A controller 6 which increases a current fed to the rotary electric machine 3 based on a rotation decrease amount of the rotary electric machine 3 at a level approximately equal to the given number of revolutions level and decreases a feed current based on a rotation increase amount is provided. Since based on the increase rate or the decrease rate of the fluctuation of the number of revolutions of the rotary electric machine 3 at a level approximately equal to the given number of revolutions level, the decrease or the increase of a current fed to the rotary electric machine 3 is controlled by the controller 6 to control the number of revolutions, this constitution controls a fluctuation in the number of revolutions during electric drive of the rotary electric machine 3 to a low value.</p> |
