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U.S. Department of Energy
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Absorber rod control circuit. Project DRAGON

Technical Report ·
OSTI ID:4108124
The Dragon reaotor is controlled by twenty-four absorber rods, containing boron carbide, arranged in the reflector as a curtain round the core. The rods and their drive mechanisms are all identical. The mechanisms are linked to the electrical control circuit through the special stepping motors and the limit and load sensing switches, and the circuit determines the way in which the rods are employed in controlling the reactor. This report sets out the control functions of the system and particulars of the electrical equipment and circuits. Items referred to briefly in the general description (Section 2) are more adequately described in later sections. The design of the control mechanisms is fully described in principle in D.P. Report 145: the most complete physical description is in the maintenance manual.
Research Organization:
Atomic Energy Establishment (AEE), Winfrith, England (United Kingdom)
Sponsoring Organization:
Atomic Energy Establishment (AEE)
NSA Number:
NSA-24-040927
OSTI ID:
4108124
Report Number(s):
DP-Report--122
Country of Publication:
United Kingdom
Language:
English

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