| 摘要 |
PURPOSE:To compensate the time delay of an output power source by providing time delay recovering means and flowing a command value current having a periodicity therethrough. CONSTITUTION:A control delay compensator is composed of a single-phase power converter 4, a current detector 5, a subtractor 6, a voltage detector 7, and a current controller 8, and the first and second changeover switches 9, 11 and time delay recovering means 30 having a memory 10 are added thereto. The value of command value current ic* during the prescribed one cycle period is sequentially written in the memory cell of the memory 10, this value is sequentially switched by the switches 9, 11 at the writing address of the value and designated. Thus, a control delay Ta due to the dead beat control, for example, corresponds to 2/512 of one cycle period T of a power source, the designated addresses of the switches 9, 11 are displaced by two addresses. Thus, the value ic* is output in the state preceded only for the prescribed time to compensate the time delay. |
