César Queral

3 Questions 1 Answers 0 Followers

Questions related from César Queral

What improvements were made to the main coolant pumps of VVER reactors (e.g. VVER-1000 or VVER-1200) to minimise the leakage rate in case of SBO?

After the fukushima accident, passive thermal shutdown seals were introduced in the reactor coolant pumps in many NPPs of Westinghouse design, or similar. Do you know what improvements were made...

21 July 2024 7,975 1 View

VVER reactors. What type of valves are the pressurizer PORV valves?

What type of valves are pressurizer (PZR) PORV valves in VVER reactors? Are there different designs depending on the VVER design? Are they motorized valves powered by alternating current? We...

04 October 2021 2,862 3 View

VVER reactors. What type of valves are BRU-A valves?

What type of valves are BRU-A valves? Are there different designs depending on the VVER design? Are they motorized valves powered by direct or alternating current? How long are BRU-A valves...

04 October 2021 4,054 2 View