Development and operating experience of a BWR plant surveillance and diagnosis system using noise analysis
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:6343685
With the increase in nuclear power plant construction and operation experience, plant reliability and availability have been improved to a very high level in Japan. There have seldom been unexpected plant power trips in recent years. In order to maintain this high reliability, it is important to use a system to detect an anomaly at an early stage and eliminate the cause of the anomaly as soon as possible by watching plant operating status. To attain this, the authors have developed an on line plant surveillance and diagnosis system for a boiling water reactor (BWR) plant. This system is composed of a high-performance minicomputer (TOSBAC 7/70) with an advanced man/machine interface. It can survey behavior for a large number of plant signals using various digital signal-processing techniques. The system's monitored objects are the reactor core, jet pumps, and control system dynamics. The system monitors the behavior of -- 130 signals, covering in-core neutron flux signals, process signals such as flow or pressure, jet pump flow signals, and internal signals in control systems.
- Research Organization:
- Chubu Electric Power Co., Inc., Nagoya (JP); Toshiba Corp., Tokyo (JP); Nippon Atomic Industry Group Ltd., Kawasaki (JP)
- OSTI ID:
- 6343685
- Report Number(s):
- CONF-870837-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 54:1
- Country of Publication:
- United States
- Language:
- English
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