what is nuclear power,how it is generated , its advantages and disadvantages
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Published by Technical Information Center, Office of Information Services UNITED STATES ATOMIC ENERGY COMMISSION
It is a seminar report on Nuclear power plant for students
it helps you to know about nuclear power plant.
flue soloFull description
requirements about the bybrid system design and elaboration
This ppt contains basics of power electronics and their fundamental principlesFull description
Full description
This ppt contains basics of power electronics and their fundamental principlesFull description
Lokesh Mangla Mayank Chaturvedi
OVERVIEW The Fukushima Fukushima Daiichi uclear Disaster !as a nuclear nucl ear accident at the Fukushima " uclear #o!er #lant$inititated %rimarily &y the tsunami o' the Tohuku Tohuku earth(uake on March Ma rch ""$)*""+
The tsunami &reached sea!alls sea!a lls o' Fukushima Fukushima #o!er #lant and caused e(ui%ment 'ailures leading to loss o' coolent 'ollo!ed &y three nuclear meltdo!ns and release o' radioactive materials+
It is considered the largest nuclear disaster since the in'amous Cherno&yl disaster o' ",-. and !as given Level / event classi0cation on International uclear Event 1cale+
SITUATION AT THE TIME OF THE SITUATION EARTHQUAKE The Tohuk ohuku u earth(uake earth(uake o' magnitude magnitude ,+* triggered triggered the tsunami !aves as high as 2*+3 metres+
4t the time o' earth(uake$ reactors 2$3 and . !ere shutdo!n 'or re'ueling+
Immediately a'ter (uake$reactors "$)$5 shutdo!n their 0ssion reactions as the sa'ety measure+
Due to shutdo!n$the reactors "$) and 5 !ere una&le to run their coolent %um%s+
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Emergency diesel generators came online$to %o!er electronics and coolant systems$ all o' !hich &ecame o%erational+ The largest tsumani !ave o' height u%to 14-15 m &reached the 10m high sea!ater !all o' the %lant $destroying generators located in the unhardened lo!6lying area+ Due to 'ailure o' coolent system$'uel rods started to melt do!n+ 4 series o' hydrogen6air chemical e7%losions occurred occurred in 8nit " on March ")th and the one in 8nit 2 on March "3th+
DE1TR8CTIO
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Evacuation o' %o%ulation !ithin )* km$ immediately a'ter the accident+ 1ea !ater !as used in the 0rst %hase o' the accident+ In order order to cool do!n in 8nits "$ ) and 5 $'resh !ater !as continuously in;ected &oth via the 'eed !ater system lines and the 0re e7tinguishers lines into the reactor %ressure vessel< tem%eratures and %ressures !ere sta&ili=ed+ One generator at unit . !as restarted on "/ th March allo!ing some cooling at units 3 and . !hich !ere least damaged+ TE#CO started started !ork on ,th May to install a su%%orting structur structure e 'or the >oor o' the s%ent 'uel %ool o' 8nit 2+
4 sam%le o' sea!ater taken on )) nd March 55*m ?)0 +!'ometer% o, t&e "oa%t'!$e "oa%t'!$e@@ sho!ed elevated levels o' I6"5" and Cs6"5/+ Aone !ithin )*km 'rom site !as evacuated com%letely com%letel y+ Test o' soil (uality revealed the %resence o' radioactive Test Caesium in sam%le 'rom districts o' Chiyoda and Boto+ The contents o' I6"5" !as traced in in milk and 'reshly 'reshly gro!n lea'y vegeta&les+ 4t the end o' the accident$0nancial losses reached reached a%%ro7imately u%to "3* &illion Euro+
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Fukushima Daiichi Disaster strengthened the voices o' the o%%onents o' uclear Energy+
9erman Chancellor$ 4ngela Merkel announced to a&andon nuclear energy and is !orking on long term strategy to make 9ermany inde%endent o' uclear as !ell as coal +
