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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.
The lid of Unit 4’s Primary Containment Vessel lies close to the reactor building. The reactor was shut down for maintenance at the time of the accident. Fukushima Daiichi Nuclear Power Plant. 18 December 2012 Photo Credit: Gill Tudor / IAEA
Browns Ferry Unit 1 drywell and wetwell under construction, within a Mark I containment. BWR Type 4 (BWR-4, BWR/4): Introduced in 1966, 1100 MW (Browns Ferry 1–3). Largely similar to the BWR/3 in design with an identical recirculation system, but power density was increased by 20%. [5] Available with either Mark I or Mark II containment.
What happens to them as they try to take over? Hyun-ju (Player 120) uses her military background to help lead the group as they try to make their way over the control room.
Nick Cannon is getting candid about his mental health journey. Earlier this month, the Masked Singer host, 44, shared he had been diagnosed with narcissistic personality disorder.For the star ...
Two decades since his cameo in Sex and the City, David Frei has nothing but fond memories of costars Sarah Jessica Parker and Kristin Davis. At this year’s National Dog Show taping at the ...
This system consists of a series of pumps and spargers that spray coolant into the upper portion of the primary containment structure. It is designed to condense the steam into liquid within the primary containment structure in order to prevent overpressure and overtemperature, which could lead to leakage, followed by involuntary depressurization.
Containment systems for nuclear power reactors are distinguished by size, shape, materials used, and suppression systems. The kind of containment used is determined by the type of reactor, generation of the reactor, and the specific plant needs. Suppression systems are critical to safety analysis and greatly affect the size of containment.