| 摘要 |
PURPOSE:To enable measuring neutron distribution in a nuclear reactor with high accuracy by providing a velocity calculation means to obtain the moving velocity calculation means to obtain the moving velocity of a movable nentron detector, a error calculation means to calculate position error quantity and a position correction means. CONSTITUTION:When a movable incore probe (TIP) detector 1 is on the position X of the core axial direction, the position signal Xn* output from a driver 2 is sent to a position signal receiver 15 and at the same time the neutron flux signal Yn detected at the position X of the core axial direction is sent to a detected signal receiver 13. In a control circuit 11, the position signal Xn is read and then the neutron flux signal Yn* is read. The neutron flux signal actually read in is the neutron flux signal at he position moved DELTAX from the actual detector signal Xn. The movement DELTAX is sent to a correction means 5, and the neutron flux signal read in and the position data indicating the detection position coincide accurately. The position data and the neutron flux level are stored as a pair of data and they are sent from a transmission circuit 16 to a process computer at the time all the measurement of data is over.
|
