Image Number 3 for United States Patent #4046624.
A pressurized-water reactor with a core height of at least 3.5 m, is operated by using at least 50 measuring probes which are distributed throughout the core and which feed into a computer. The latter computes in advance a program of operation, by which individual control rods are adjusted, regardless of load changes, over the height of the core in such a manner that local power peaks are avoided.
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