| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a control system of a field current which can obtain satisfactory transient stability by removing the influence of a large disturbance to be generated at the time of an accident of a system. <P>SOLUTION: The control system has a rectifier 8 operating using a system voltage as a terminal voltage of a generator 1 as an AC power source; a power storing device 12 connected in parallel to an output side of the rectifier 8 and working as a DC power source; a voltage adjusting device 13 connected between the rectifier 8 and the field winding 2 of the generator 1, and between the output side of the power storing device 12 and the field winding 2, and converting output voltages of the rectifier 8 and the power storing device 12 into DC voltages; and a control means II for controlling the rectifier 8 so that the DC currents of the rectifier 8 and the output side of the power storing device 12 are constant voltages, and controlling the voltage adjusting device 13 so that the system voltage is a constant voltage via the field current to be supplied to the field winding 2. <P>COPYRIGHT: (C)2008,JPO&INPIT |
