C Shivakumar
Chennai:
Indian has sought enhanced safety measures from Russia for Koodankulam
nuclear plant including passive heat removal system (PHRS), hydrogen
recombiners to protect the plant from hydrogen explosion as it
happened in Fukushima Daichi atomic disaster and core catcher to
prevent chain reaction among the radioactive materials if all the
safety systems fail.
V Kalirajan, additional chief engineer and chairman Public Awareness
Committee Koodankulam, V Kalirajan told Express that India has urged
Russia to enhance the safety of the reactors and Koodankulam reactor
is the first in the world to have a Passive Heat Removal System
(PHRS).
“We wanted all these enhanced safety measures for the safe operation
of the plant,” he said.
The PHRS works like a modern kitchen chimney and requires air instead
of water for correction of heat, he said.
Kalirajan also stated that the plant has been enhanced with hydrogen
recombiners. Interestingly, Fukushima Daiichi plant did have the
hydrogen recombiner but it was an active one which works with
electricity. However, Kudankulam has a passive hydrogen recombiner
which do not need any power supply to absorb any hydrogen liberated
inside the containment as such explosion is contained, said Kalirajan.
The reactor also has core catcher to provide safety in the unlikely
event of fuel melt-down. Interestingly, Chinese reactors were the
first to have such technology.
India also has sought double containment reactors. “Usually Russian
reactors have single containment to protect against major accidents
like steamline breakdown. We wanted them to provide us with double
containment,” Kalirajan said.
V Asmolov, first deputy general of Rosenergoatom, the Russian nuclear
power station operations subsidiary of a state-owned company in Moscow
said that, "Russia had received a request from India for enhanced
safety measuresa and it had to pay more for the four channels of
safety system.
Units 1 and 2 of Tamil Nadu-based Kudankulam Nuclear
Power Plant (KKNPP) have been built with the help of Russian
assistance at the cost of Rs 17,200 crore. A General Framework
Agreement was also signed between the two countries to construct
reactor 3 and 4.
Sources pointed out, request by India was necessitated after the 2011
Fukushima Daichi incident in Japan due to overheating of the reactor
after tsunami hit the plant.
The second reactor of Kudankulam is also likely to generate power by
the end of the year, Kalirajan said.
Chennai:
Indian has sought enhanced safety measures from Russia for Koodankulam
nuclear plant including passive heat removal system (PHRS), hydrogen
recombiners to protect the plant from hydrogen explosion as it
happened in Fukushima Daichi atomic disaster and core catcher to
prevent chain reaction among the radioactive materials if all the
safety systems fail.
V Kalirajan, additional chief engineer and chairman Public Awareness
Committee Koodankulam, V Kalirajan told Express that India has urged
Russia to enhance the safety of the reactors and Koodankulam reactor
is the first in the world to have a Passive Heat Removal System
(PHRS).
“We wanted all these enhanced safety measures for the safe operation
of the plant,” he said.
The PHRS works like a modern kitchen chimney and requires air instead
of water for correction of heat, he said.
Kalirajan also stated that the plant has been enhanced with hydrogen
recombiners. Interestingly, Fukushima Daiichi plant did have the
hydrogen recombiner but it was an active one which works with
electricity. However, Kudankulam has a passive hydrogen recombiner
which do not need any power supply to absorb any hydrogen liberated
inside the containment as such explosion is contained, said Kalirajan.
The reactor also has core catcher to provide safety in the unlikely
event of fuel melt-down. Interestingly, Chinese reactors were the
first to have such technology.
India also has sought double containment reactors. “Usually Russian
reactors have single containment to protect against major accidents
like steamline breakdown. We wanted them to provide us with double
containment,” Kalirajan said.
V Asmolov, first deputy general of Rosenergoatom, the Russian nuclear
power station operations subsidiary of a state-owned company in Moscow
said that, "Russia had received a request from India for enhanced
safety measuresa and it had to pay more for the four channels of
safety system.
Units 1 and 2 of Tamil Nadu-based Kudankulam Nuclear
Power Plant (KKNPP) have been built with the help of Russian
assistance at the cost of Rs 17,200 crore. A General Framework
Agreement was also signed between the two countries to construct
reactor 3 and 4.
Sources pointed out, request by India was necessitated after the 2011
Fukushima Daichi incident in Japan due to overheating of the reactor
after tsunami hit the plant.
The second reactor of Kudankulam is also likely to generate power by
the end of the year, Kalirajan said.
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