Flow Particulars of Some Transient Regimes with Load Shedding on VVER-1000
The results of an investigation of the operating regime of a nuclear power plant with VVER-1000 with actuation of accelerated preventative protection at power 100% N nom with one of two turbo pumps switched off are presented. The modeling was performed using the improved accuracy RELAPSCDAPSIM/Mod3....
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| Veröffentlicht in: | Atomic energy (New York, N.Y.) N.Y.), 2014, Vol.115 (3), p.156-160 |
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| container_title | Atomic energy (New York, N.Y.) |
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| creator | Borisenko, V. I. Samoilenko, D. V. Kadenko, I. N. |
| description | The results of an investigation of the operating regime of a nuclear power plant with VVER-1000 with actuation of accelerated preventative protection at power 100%
N
nom
with one of two turbo pumps switched off are presented. The modeling was performed using the improved accuracy RELAPSCDAPSIM/Mod3.4 code and a corresponding model for the No. 2 unit of the Khmelnitsky NPP. It is shown that the actuation of emergency protection based on the fact that the three main circulation pumps are switched off because of a drop in the feed water in the steam generators cannot be avoided. On the basis of the results obtained, it is proposed that for the second half of the fuel run an emergency protection signal instead of an accelerated preventative protection be immediate generated when one of the turbo pumps is switched off at power level >95%
N
nom
; this will make it possible to secure more forgiving temperature regimes for fuel and equipment, avoid additional thermal cycling loads, and prevent violation of the safe operating limits on the basis of the feed water level in the steam generators. |
| doi_str_mv | 10.1007/s10512-013-9764-1 |
| format | Article |
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N
nom
with one of two turbo pumps switched off are presented. The modeling was performed using the improved accuracy RELAPSCDAPSIM/Mod3.4 code and a corresponding model for the No. 2 unit of the Khmelnitsky NPP. It is shown that the actuation of emergency protection based on the fact that the three main circulation pumps are switched off because of a drop in the feed water in the steam generators cannot be avoided. On the basis of the results obtained, it is proposed that for the second half of the fuel run an emergency protection signal instead of an accelerated preventative protection be immediate generated when one of the turbo pumps is switched off at power level >95%
N
nom
; this will make it possible to secure more forgiving temperature regimes for fuel and equipment, avoid additional thermal cycling loads, and prevent violation of the safe operating limits on the basis of the feed water level in the steam generators.</description><identifier>ISSN: 1063-4258</identifier><identifier>EISSN: 1573-8205</identifier><identifier>DOI: 10.1007/s10512-013-9764-1</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Actuation ; Boilers ; Emergencies ; Fuels ; Hadrons ; Heavy Ions ; Nuclear accidents & safety ; Nuclear Chemistry ; Nuclear Energy ; Nuclear fuels ; Nuclear Physics ; Nuclear power generation ; Nuclear power plants ; Nuclear reactors ; Operations research ; Physics ; Physics and Astronomy ; Pumps ; Steam generators ; Steam power ; Studies ; Thermal cycling ; Turbopumps ; Water levels</subject><ispartof>Atomic energy (New York, N.Y.), 2014, Vol.115 (3), p.156-160</ispartof><rights>Springer Science+Business Media New York 2013</rights><rights>Springer Science+Business Media New York 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-39b0a86d443b64630569b419a6f6ba0ddb699082270a1f63410887aca03a7ff43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10512-013-9764-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10512-013-9764-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27907,27908,41471,42540,51302</link.rule.ids></links><search><creatorcontrib>Borisenko, V. I.</creatorcontrib><creatorcontrib>Samoilenko, D. V.</creatorcontrib><creatorcontrib>Kadenko, I. N.</creatorcontrib><title>Flow Particulars of Some Transient Regimes with Load Shedding on VVER-1000</title><title>Atomic energy (New York, N.Y.)</title><addtitle>At Energy</addtitle><description>The results of an investigation of the operating regime of a nuclear power plant with VVER-1000 with actuation of accelerated preventative protection at power 100%
N
nom
with one of two turbo pumps switched off are presented. The modeling was performed using the improved accuracy RELAPSCDAPSIM/Mod3.4 code and a corresponding model for the No. 2 unit of the Khmelnitsky NPP. It is shown that the actuation of emergency protection based on the fact that the three main circulation pumps are switched off because of a drop in the feed water in the steam generators cannot be avoided. On the basis of the results obtained, it is proposed that for the second half of the fuel run an emergency protection signal instead of an accelerated preventative protection be immediate generated when one of the turbo pumps is switched off at power level >95%
N
nom
; this will make it possible to secure more forgiving temperature regimes for fuel and equipment, avoid additional thermal cycling loads, and prevent violation of the safe operating limits on the basis of the feed water level in the steam generators.</description><subject>Actuation</subject><subject>Boilers</subject><subject>Emergencies</subject><subject>Fuels</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Nuclear accidents & safety</subject><subject>Nuclear Chemistry</subject><subject>Nuclear Energy</subject><subject>Nuclear fuels</subject><subject>Nuclear Physics</subject><subject>Nuclear power generation</subject><subject>Nuclear power plants</subject><subject>Nuclear reactors</subject><subject>Operations research</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Pumps</subject><subject>Steam generators</subject><subject>Steam power</subject><subject>Studies</subject><subject>Thermal cycling</subject><subject>Turbopumps</subject><subject>Water levels</subject><issn>1063-4258</issn><issn>1573-8205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkUtLxDAQx4souD4-gLeAFy_RyaN5HEV8sqDouteQtunapW00aVn89mapBxHE08zh9x9m5pdlJwTOCYC8iARyQjEQhrUUHJOdbEZyybCikO-mHgTDnOZqPzuIcQ0AWmg1yx5uWr9BTzYMTTm2NkTka_TiO4cWwfaxcf2Ant2q6VxEm2Z4Q3NvK_Ty5qqq6VfI92i5vH7GaQc4yvZq20Z3_F0Ps9eb68XVHZ4_3t5fXc5xyRQdMNMFWCUqzlkhuGCQC11woq2oRWGhqgqhNShKJVhSC8YJKCVtaYFZWdecHWZn09z34D9GFwfTNbF0bWt758doiCRKU5pL_T_KNWdUaQEJPf2Frv0Y-nRIoiRLzxJ8S5GJKoOPMbjavIems-HTEDBbEWYSYZIIsxVhSMrQKRMT269c-DH5z9AX_O2G0w</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Borisenko, V. 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I.</au><au>Samoilenko, D. V.</au><au>Kadenko, I. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flow Particulars of Some Transient Regimes with Load Shedding on VVER-1000</atitle><jtitle>Atomic energy (New York, N.Y.)</jtitle><stitle>At Energy</stitle><date>2014</date><risdate>2014</risdate><volume>115</volume><issue>3</issue><spage>156</spage><epage>160</epage><pages>156-160</pages><issn>1063-4258</issn><eissn>1573-8205</eissn><abstract>The results of an investigation of the operating regime of a nuclear power plant with VVER-1000 with actuation of accelerated preventative protection at power 100%
N
nom
with one of two turbo pumps switched off are presented. The modeling was performed using the improved accuracy RELAPSCDAPSIM/Mod3.4 code and a corresponding model for the No. 2 unit of the Khmelnitsky NPP. It is shown that the actuation of emergency protection based on the fact that the three main circulation pumps are switched off because of a drop in the feed water in the steam generators cannot be avoided. On the basis of the results obtained, it is proposed that for the second half of the fuel run an emergency protection signal instead of an accelerated preventative protection be immediate generated when one of the turbo pumps is switched off at power level >95%
N
nom
; this will make it possible to secure more forgiving temperature regimes for fuel and equipment, avoid additional thermal cycling loads, and prevent violation of the safe operating limits on the basis of the feed water level in the steam generators.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10512-013-9764-1</doi><tpages>5</tpages></addata></record> |
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| ispartof | Atomic energy (New York, N.Y.), 2014, Vol.115 (3), p.156-160 |
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| subjects | Actuation Boilers Emergencies Fuels Hadrons Heavy Ions Nuclear accidents & safety Nuclear Chemistry Nuclear Energy Nuclear fuels Nuclear Physics Nuclear power generation Nuclear power plants Nuclear reactors Operations research Physics Physics and Astronomy Pumps Steam generators Steam power Studies Thermal cycling Turbopumps Water levels |
| title | Flow Particulars of Some Transient Regimes with Load Shedding on VVER-1000 |
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