1000MW压水堆核电站除氧器水位控制数字化设计

DIGITALIZATION DESIGN OF WATER-LEVEL CONTROL IN DEAERATOR FOR 1 000 MW PRESSURIZED WATER REACTOR IN NUCLEAR POWER STATION

在我国1000 MW压水堆核电站的实际运营中,除氧器水位的调节采用单冲量的PID调节,而随着对核电站参与电网负荷调整要求的提出,这种单冲量的调节系统不能使除氧器水位很好地适应核电站负荷调整的需求。为了提高除氧器水位的负荷适应能力,研究设计了以三冲量为主的除氧器控制系统,通过在核电仿真机上的测试,验证了该系统设计的可行性和有效性。

In practical operation of 1000 MW pressurized - water reactor in nuclear power stations of China,the PID regulation with single impulse is adopted for regulation of water - level in the deaerators,but along with the proposal of requiring nuclear power station to participate into load regulation of the power grid, this single impulse regulation system is unable to make the water - level in the deaerator for perfectly satisfying the requirements of load adjustment in nuclear power stations. In order to enhance the suitability of water - level in the deaerator to the variation of load, a digitalized control system of the deaerator with three main impulses has been studied and designed,and through test on the emulation machine of nuclear power,the feasibility and effectiveness of said system design being verified.