Unit was operating at 180 MWe. All the readings on CTM panel II were found to be zero. The 36 V DC power supply failure on CTM panel-II led to non-availability of setback as the setback is initiated on 2 out of 2 coincidences from the setback signals generated in panel-I & panel II. Immediately reactor power was lowered by 10 MWe. A close vigilance was kept on CTM panel-I to initate the manual setback in the event of very high temperature on panel-I or trip the unit if required. However, CTM panel-I readings were normal and remained so during the 53 minute duration for which 36V DC power supply was lost. Existing design of the circuit with respect to 36V DC power supply is not fail safe since failure of power supply does not result in CTM installation going to setback mode. Justifiaction: 36 V DC power supply failure to CTM panel-II has not been taken as the initiating event as it did not challenge any of the safety functions. However, flow blockage in an individual channel has been taken as an expected initiator which did not occur. So Table-I of the Users Manual has been used for rating of the event. Since safety function availability was full the event is rated at level 0 as per User's manual TABLE-I BOX AI.
The Pacific News Bulletin (since September 1986) and its predecessor Pacific Bulletin was published for the Nuclear Free and Independent Pacific (NFIP) Movement by the Pacific Concerns Resource Centre (PCRC), first based in Petersham (Australia) and later at Suva on the Fiji Islands. The NFIP movement grew out of the first regional Nuclear Free Pacific […]
On 29 June 2026, the Urenco Group issued a statement announcing that the UK Government formally requested the company to support its effort "to re-establish a nuclear fuel cycle for reactor fuel for defence purposes." The UK Government announced its intent to re-establish this program in November 2024. This announcement is part of a broader […]
The Netherlands has agreed to allow Urenco to be used for the British military nuclear program. This clears the way for uranium enriched by Urenco to be used in nuclear weapons. With his decision, Foreign Minister Berendsen (CDA Christen Democrats) is departing from the principle that civilian and military nuclear applications must remain strictly separate. […]
Behnam Raeesian is an internationally recognized visual artist and poster designer from Iran, known for bold political and cultural works. Through exhibitions, workshops, jury roles, and collaborations with cultural institutions worldwide, he has built a strong voice in contemporary political graphic design. His projects confront complex issues such as nuclear risk and technological impact, transforming […]
Everywhere you look, the nuclear industry’s hype machine is in overdrive. Goldman Sachs, Microsoft, and the UK government all tout small modular reactors as the silver bullet for climate change and energy security. Tech billionaires are hiring nuclear veterans. Wall Street is whispering about “round-the-clock power” for artificial intelligence data centers. For those old enough […]
