Advance Search
Volume 30 Issue 1
Feb.  2009
Turn off MathJax
Article Contents
HU Ping, ZHAO Fu-yu. Identification of Aging and Damage of Neutron Measurement Probe of RPN System in Daya Bay Nuclear Power Station[J]. Nuclear Power Engineering, 2009, 30(1): 95-99.
Citation: HU Ping, ZHAO Fu-yu. Identification of Aging and Damage of Neutron Measurement Probe of RPN System in Daya Bay Nuclear Power Station[J]. Nuclear Power Engineering, 2009, 30(1): 95-99.

Identification of Aging and Damage of Neutron Measurement Probe of RPN System in Daya Bay Nuclear Power Station

  • Received Date: 2007-11-28
  • Rev Recd Date: 2008-10-21
  • Available Online: 2025-07-28
  • Publish Date: 2009-02-15
  • The source range probe of RPN system in Daya Bay Nuclear Power Station is a boron-lined proportional counter. The middle range probe and the power range probe are boron-lined compensation ionization chambers. This paper introduces the relationship between different characteristic curves and aging of probes, and presents the way to identify the aging and malfunction of the neutron measurment probes in detail. For source range probe, if ΔC (aging extension of flat reigon in discrimative curve)>60%, and the high voltage curve with aging trend by comparing with history curves, the probe has to be replaced. For middle range probe, the saturation curve of high voltage and electric current shall be drawn firstly, and then the coefficents P and V0 are established. When the curve changes greatly or V0 > 70 V, it means that the probe is becoming aging, and it is necessary to draw the saturation curves every 3 months in order to monitor the aging.If the curve changes continuously or V0 >140 V and P > 6%,the probe has to be replaced. For power range probe,when the curve changes greatly or V0 > 30 V, it means that the probe is becoming aging, and it is recommended to draw the saturation curves every 3 months. If the curve changes continuously or V0 > 60 V and P > 1.5%, the probe has to be replaced.

     

  • loading
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views (5) PDF downloads(0) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return