Toshiba -ABWR -light water reactors
Toshiba -ABWR -light water reactors
ABWR enjoys a reputation for excellence in respect to safety economy, operalability and reliability. The first ABWR Kashiwazaki - Kariwa unit no.6 commercial operation in 1996,followed by unit no.7 the following year, both delivered to Tokyo Electric Power Company since these both units have shown stable performance.
Successively ,Toshiba took change of nuclear reactor equipment of Hamaoka unit no.5 of Cheibu Electric Power Co in as their third ABWR, incorporating the latest technology. Hamaoka unit no.5 commercial operation in January 2005 and emerging as a plant with electricity out put of 1380 MW one of world’s largest in out put.
Various new technologies were employed in Hamaoka unit no.5 to improve reliability and economy such as “S-FMCRD (Seal-less-Fine motion of control rod ) “ which eliminated the use of seal housing by adopting a magnetic coupling A-PODIA ( Advanced plant operation by displayed information and automation to improve repeatability with large display panel,ASD-the multiple drive power supply to reactor internal pumps’ that can drive two or three Tips with large capacity inverters.
Toshiba is currently deploying ABWRs for international market, which features are improved design and are backed by Toshiba’s experience obtained through construction, inspection and maintenance of these domestic power plants.
Dreams come true with Toshiba’s excellent experience and high technology on nuclear power generation, it is advanced boiling water reactor (ABWR)its short construction period and large capacity take power generation a long step forward in 21st century Kashiwazaki- Kariwa unit no.6 1356 Mwe has been in commercial operation operated by TEPCO ( Tokyo Electric Power Corporation. It is world’s first ABWR.
Toshiba was representative administrator for this huge unit no.6 construction project and also 2nd ABWR Kashiwazaki -Kariwa unit no.7 same capacity as unit no.6 has been in commercial operation since July 2 1997.
ABWR -THE ADVANCED BOILING WATER REACTOR
Boiling water reactor (BWR) provide one of the today’s most widely used means of nuclear power generation. In BWR plant , reactor uses low enriched uranium as a fuel for bringing moderator and coolant water to boil directly at the reactor core. The result steam drives turbine. Toshiba advanced boiling water reactor the culmination of years of experience in BWR construction takes and enhance the best elements of company’s BWR technology .
Domestic and overseas development of advanced boiling water reactor
Since Toshiba delivered the world’s first advanced boiling water reactor (ABWR) to TEPCO in 1996 ,Toshiba has been devoting continuous efforts to construction and operational support of ABWR systems as a major project. Toshiba now promoting domestic and overseas ABWR systems along with standardization of ABWRs.
Toshiba also engaged in research and development of core technologies to support further promotion of ABWRs as a concurrent to issue of global warming and energy security for individual countries.
Global deployment of AP1000 TM -third generation plus nuclear power plant
Westinghouse Electric co (WEC) is promoting expanded global deployment of AP1000 TM pressurized water reactor (PWR)which is only third generation plus nuclear power plant to have received design certificate from U.S. NUCLEAR REGULATORY COMMISSION (NRC) based on proven performance of WEC-designed PWRs, the AP1000TM not only achieve a significant reduction in the amount of required compared to with conventional PWR systems by making use of passive safety related systems but also makes it possible to reduce construction costs and shorten the construction period by means of advanced construction technologies such as modular construction techniques, steel -plate -reinforced concrete (SC) structures and so on. In china four AP1000 TM plants two in Sanmen and two in Haiyang are under construction schedule. In U.S. as well the p reconstruction of two out of six contracted plants is currently underway at Vogtle site in Georgia and V.C. summer site in South Carolina WEC is accelerating proposal activities in response to increase in nuclear power plant construction plans in many countries thought the world.
DEVELOPMENT OF NEXT GENERATION LIGHT WATER REACTOR
The next generation light water reactor development program, a national project in Japan was inaugurated in 2008. The primary objective of this program is meet the need of replacement of existing nuclear power plants in Japan after 2030. With the aim of setting global standard design the reactor to be developed offers greatly improved safety, reliability and economic efficiency through several innovative technologies including a reactor core system with uranium enrichment 5 to 10 percent a seismic isolation systems, long life materials, advanced water chemistry, innovative construction techniques, optimized passive and active safety systems innovative digital technologies and so on.
In first three years, a plant design concept with innovative features is to be established and effectiveness of program will be reevaluated. The major part of the program will be coupled in2015. Toshiba is actively engaged in both design studies and technology development as funding member of this program.
IMPROVEMENT OF CAPACITY FACTOR OF OPERATING POWER PLANTS
The capacity factor is key factor indicating the performance of operating nuclear power plant. To increase economic efficiency while reducing carbon dioxide emissions, a strong need exists worldwide improvement of capacity factor of nuclear power plants. The average capacity factor in Japan is approximately 70 percent is compared to more than 90 percent in other countries. This difference is due to both shorter operating cycles and larger duration of maintain ace in Japan, despite a decline in number of outages in recent years reflecting the abundant accumulation of experience and introduction of new technologies, in this field. To rectify this situation Toshiba has embarked on smaller nuclear power plant plan, a new project aimed at achieving a capacity factor 95 percent more and has been developing and introducing the relevant technologies.
APPROACH TO SECURING OF STABLE NUCLEAR FUEL SUPPLIES
Toshiba aid Westinghouse electric co (WEC) a member of Toshiba group are capable of supplying both Boiling Water Reactor (BWR) and Pressurized Water Reactor (PWR) plants to satisfy a broad range of customer requirements. Further more to meet growing demand for securing of nuclear fuel supplies, Toshiba and WEC have been promoting the strengthening and further expansion of supply chains in the field of uranium production, uranium hexafluoride (Uf2) conversion ,uranium enrichment and fuel fabrication.
ACTIVITIES RELATED TO ESTABLISHMENT OF NUCLEAR FUEL CYCLE
As a total nuclear power plant supplier, Toshiba has designed and constructed many of major components of Rokkasho Reprocessing Plant of Japan Nuclear Fuel Limited , Japan first commercial reprocessing plant for establishment of a nuclear fuel cycle in Japan. To reduce the load on global environment Toshiba now engaged in design and development of new facilities for the plant including waste treatment facility and storage facility. Toshiba also promoting research and development of advanced reprocessing technology to realize the next generation nuclear fuel cycle, in order to secure a stable energy supply in future.
DECOMMISSIONING TECHNOLOGIES FOR NUCLEAR POWER PLANTS
Commercial operation of number of nuclear power plants ended and decommissioning of these plants, including dismantling facilities, decontamination of radioactivity, treatment of radioactive waste, and soon has commenced .
In response to these circumstances Toshiba has developed a various decommissioning technologies for nuclear power plants including those for decontamination, dismantling and waste treatment as well as radiation measuring equipment utilization of core technology for design construction , maintenance and preservation cultivated through Toshiba experience in nuclear power plant development. Toshiba contributing both designing of rational decommissioning plans and accomplishment of actual decommissioning through the application of these technologies.
ACTIVITIES TOWARDS REALIZATION OF NUCLEAR FUSION REACTOR
Toshiba aim of realizing nuclear fusion reactor,experimental nuclear fusion reactors are carefully under development with international co-operation.
FUNDAMENTAL TECHNOLOGIES TO SUPPORT NUCLEAR POWER PLANTS
With aim of enhancing of safety and improving the economic performance of nuclear power plants, Toshiba has been developing the following fundamental technologies to support nuclear industry.
1. An advanced core and fuel analysis technology for next generation reactors applicable to the design of innovative fuel and core which has more complex geometry than before
2. An advanced material technology and can contribute to longer plant life through development of durable materials that are able to withstand high radiation environment and reduce radioactive waste.
3.Maintain technology to support high performance in daily plant operation and extended operating life.
ABWR enjoys a reputation for excellence in respect to safety economy, operalability and reliability. The first ABWR Kashiwazaki - Kariwa unit no.6 commercial operation in 1996,followed by unit no.7 the following year, both delivered to Tokyo Electric Power Company since these both units have shown stable performance.
Successively ,Toshiba took change of nuclear reactor equipment of Hamaoka unit no.5 of Cheibu Electric Power Co in as their third ABWR, incorporating the latest technology. Hamaoka unit no.5 commercial operation in January 2005 and emerging as a plant with electricity out put of 1380 MW one of world’s largest in out put.
Various new technologies were employed in Hamaoka unit no.5 to improve reliability and economy such as “S-FMCRD (Seal-less-Fine motion of control rod ) “ which eliminated the use of seal housing by adopting a magnetic coupling A-PODIA ( Advanced plant operation by displayed information and automation to improve repeatability with large display panel,ASD-the multiple drive power supply to reactor internal pumps’ that can drive two or three Tips with large capacity inverters.
Toshiba is currently deploying ABWRs for international market, which features are improved design and are backed by Toshiba’s experience obtained through construction, inspection and maintenance of these domestic power plants.
Dreams come true with Toshiba’s excellent experience and high technology on nuclear power generation, it is advanced boiling water reactor (ABWR)its short construction period and large capacity take power generation a long step forward in 21st century Kashiwazaki- Kariwa unit no.6 1356 Mwe has been in commercial operation operated by TEPCO ( Tokyo Electric Power Corporation. It is world’s first ABWR.
Toshiba was representative administrator for this huge unit no.6 construction project and also 2nd ABWR Kashiwazaki -Kariwa unit no.7 same capacity as unit no.6 has been in commercial operation since July 2 1997.
ABWR -THE ADVANCED BOILING WATER REACTOR
Boiling water reactor (BWR) provide one of the today’s most widely used means of nuclear power generation. In BWR plant , reactor uses low enriched uranium as a fuel for bringing moderator and coolant water to boil directly at the reactor core. The result steam drives turbine. Toshiba advanced boiling water reactor the culmination of years of experience in BWR construction takes and enhance the best elements of company’s BWR technology .
Domestic and overseas development of advanced boiling water reactor
Since Toshiba delivered the world’s first advanced boiling water reactor (ABWR) to TEPCO in 1996 ,Toshiba has been devoting continuous efforts to construction and operational support of ABWR systems as a major project. Toshiba now promoting domestic and overseas ABWR systems along with standardization of ABWRs.
Toshiba also engaged in research and development of core technologies to support further promotion of ABWRs as a concurrent to issue of global warming and energy security for individual countries.
Global deployment of AP1000 TM -third generation plus nuclear power plant
Westinghouse Electric co (WEC) is promoting expanded global deployment of AP1000 TM pressurized water reactor (PWR)which is only third generation plus nuclear power plant to have received design certificate from U.S. NUCLEAR REGULATORY COMMISSION (NRC) based on proven performance of WEC-designed PWRs, the AP1000TM not only achieve a significant reduction in the amount of required compared to with conventional PWR systems by making use of passive safety related systems but also makes it possible to reduce construction costs and shorten the construction period by means of advanced construction technologies such as modular construction techniques, steel -plate -reinforced concrete (SC) structures and so on. In china four AP1000 TM plants two in Sanmen and two in Haiyang are under construction schedule. In U.S. as well the p reconstruction of two out of six contracted plants is currently underway at Vogtle site in Georgia and V.C. summer site in South Carolina WEC is accelerating proposal activities in response to increase in nuclear power plant construction plans in many countries thought the world.
DEVELOPMENT OF NEXT GENERATION LIGHT WATER REACTOR
The next generation light water reactor development program, a national project in Japan was inaugurated in 2008. The primary objective of this program is meet the need of replacement of existing nuclear power plants in Japan after 2030. With the aim of setting global standard design the reactor to be developed offers greatly improved safety, reliability and economic efficiency through several innovative technologies including a reactor core system with uranium enrichment 5 to 10 percent a seismic isolation systems, long life materials, advanced water chemistry, innovative construction techniques, optimized passive and active safety systems innovative digital technologies and so on.
In first three years, a plant design concept with innovative features is to be established and effectiveness of program will be reevaluated. The major part of the program will be coupled in2015. Toshiba is actively engaged in both design studies and technology development as funding member of this program.
IMPROVEMENT OF CAPACITY FACTOR OF OPERATING POWER PLANTS
The capacity factor is key factor indicating the performance of operating nuclear power plant. To increase economic efficiency while reducing carbon dioxide emissions, a strong need exists worldwide improvement of capacity factor of nuclear power plants. The average capacity factor in Japan is approximately 70 percent is compared to more than 90 percent in other countries. This difference is due to both shorter operating cycles and larger duration of maintain ace in Japan, despite a decline in number of outages in recent years reflecting the abundant accumulation of experience and introduction of new technologies, in this field. To rectify this situation Toshiba has embarked on smaller nuclear power plant plan, a new project aimed at achieving a capacity factor 95 percent more and has been developing and introducing the relevant technologies.
APPROACH TO SECURING OF STABLE NUCLEAR FUEL SUPPLIES
Toshiba aid Westinghouse electric co (WEC) a member of Toshiba group are capable of supplying both Boiling Water Reactor (BWR) and Pressurized Water Reactor (PWR) plants to satisfy a broad range of customer requirements. Further more to meet growing demand for securing of nuclear fuel supplies, Toshiba and WEC have been promoting the strengthening and further expansion of supply chains in the field of uranium production, uranium hexafluoride (Uf2) conversion ,uranium enrichment and fuel fabrication.
ACTIVITIES RELATED TO ESTABLISHMENT OF NUCLEAR FUEL CYCLE
As a total nuclear power plant supplier, Toshiba has designed and constructed many of major components of Rokkasho Reprocessing Plant of Japan Nuclear Fuel Limited , Japan first commercial reprocessing plant for establishment of a nuclear fuel cycle in Japan. To reduce the load on global environment Toshiba now engaged in design and development of new facilities for the plant including waste treatment facility and storage facility. Toshiba also promoting research and development of advanced reprocessing technology to realize the next generation nuclear fuel cycle, in order to secure a stable energy supply in future.
DECOMMISSIONING TECHNOLOGIES FOR NUCLEAR POWER PLANTS
Commercial operation of number of nuclear power plants ended and decommissioning of these plants, including dismantling facilities, decontamination of radioactivity, treatment of radioactive waste, and soon has commenced .
In response to these circumstances Toshiba has developed a various decommissioning technologies for nuclear power plants including those for decontamination, dismantling and waste treatment as well as radiation measuring equipment utilization of core technology for design construction , maintenance and preservation cultivated through Toshiba experience in nuclear power plant development. Toshiba contributing both designing of rational decommissioning plans and accomplishment of actual decommissioning through the application of these technologies.
ACTIVITIES TOWARDS REALIZATION OF NUCLEAR FUSION REACTOR
Toshiba aim of realizing nuclear fusion reactor,experimental nuclear fusion reactors are carefully under development with international co-operation.
FUNDAMENTAL TECHNOLOGIES TO SUPPORT NUCLEAR POWER PLANTS
With aim of enhancing of safety and improving the economic performance of nuclear power plants, Toshiba has been developing the following fundamental technologies to support nuclear industry.
1. An advanced core and fuel analysis technology for next generation reactors applicable to the design of innovative fuel and core which has more complex geometry than before
2. An advanced material technology and can contribute to longer plant life through development of durable materials that are able to withstand high radiation environment and reduce radioactive waste.
3.Maintain technology to support high performance in daily plant operation and extended operating life.
posted by P M Babu Rao @ 12:18 AM
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what happen my readers vanished. i have email address have you posted my blog to them .pl help me .
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