The Neutron Instrumentation System (NIS) is a major safety system for Control and Instrumentation of a nuclear reactor. The Rolls Royce NIS allows for monitoring of instantaneous nuclear power, power fluctuations, and radial/axial power distribution in the reactor using measurement of the reactor neutron flux via neutron detectors.
Rolls Royce provide a complete system which includes: source, intermediate and power detectors, conditioning and processing electronics, actuators, test and diagnostic system, and ergonomic man-machine interface.
40 years of experience (i.e. 1900 reactor years of successful operations) spanning approximately 100 nuclear reactors, has made Rolls-Royce the foremost reference for Digital Nuclear Instrumentation Systems worldwide.
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