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Emergency core cooling systems (ECCS) are designed to safely shut down a nuclear reactor during accident conditions. The ECCS allows the plant to respond to a variety of accident conditions (e.g. LOCAs) and additionally introduce redundancy so that the plant can be shut down even with one or more subsystem failures. In most plants, ECCS is ...
Risks of nuclear energy systems aren't limited to deliberate bombing/shelling of or near nuclear energy plants – nuclear energy systems within war-zones in general have various additional vulnerabilities. Deliberate or unintentional bombing/shelling of or near radioactive waste-sites [15] is a further concern.
Officials at the V.C. Summer nuclear plant failed for 20 years to correct a problem of safety significance, federal regulators say. Now, Dominion Energy is in hot water with the federal government.
The Reactor Protection System (RPS) is a system, computerized in later BWR models, that is designed to automatically, rapidly, and completely shut down and make safe the Nuclear Steam Supply System (NSSS – the reactor pressure vessel, pumps, and water/steam piping within the containment) if some event occurs that could result in the reactor entering an unsafe operating condition.
WASH-1400, 'The Reactor Safety Study (later known as NUREG-75/014) was a report produced in 1975 for the Nuclear Regulatory Commission by a committee of specialists under Professor Norman Rasmussen. It "generated a storm of criticism in the years following its release". [ 1 ]
The regulation imposes significant costs on all nuclear energy developers, especially startups like Last Energy, which builds 20-megawatt (MW) micro nuclear reactors that are inherently safe and ...
Environmental groups called on federal regulators Thursday to immediately shut down one of two reactors at California’s last nuclear power plant until tests can be conducted on critical ...
An important concern in the nuclear safety field is the aging of nuclear reactors. Quality Assurance Technicians, weld inspectors and radiographers use ultrasonic waves to look for cracks and other defects in hot metal parts, in order to identify "microscale" defects that lead to big cracks. [14]