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K H N P. Ⅰ Primary Problems of Existing Radiation Protection Ⅱ Features of Operating RMVS Ⅲ Benefits of Operating RMVS.

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Presentation on theme: "K H N P. Ⅰ Primary Problems of Existing Radiation Protection Ⅱ Features of Operating RMVS Ⅲ Benefits of Operating RMVS."— Presentation transcript:

1 K H N P

2 Ⅰ Primary Problems of Existing Radiation Protection Ⅱ Features of Operating RMVS Ⅲ Benefits of Operating RMVS

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8 Radiation Exposure of Major Country during Outage Period(’96~’06) (Man-mSv) 2,000 1,500 1, Period(’96~’98)Period(’04~’06) PeriodGermanySpainUSABrazilFrenchJapanKorea ’96~’ ’04~’

9 Radiation Exposure of Korea NPP for Outage Period(The past 3 years) (Man-mSv) Plant YUONGKWA NG1 ULJIN1KORI2KORI1 YOUNGKWA NG2 ULJIN2 YUONGKWA NG3 ULJIN3Average Radiation Expousre

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32 1, , (man-mSv) Fifteenth(2008) Sixteenth(2010) Radiation Exposure Classification Radiation Exposure during Outage Reduced Radiation Exposure in comparison with Pre-Operation 226 man-mSv Reduced Radiation Exposure in comparison with Pre-Operation 226 man-mSv

33 (Man-mSv) Before Operation(Fifteenth Outage)After Operation(Sixteenth Outage) 내용 Reactor Assembly Disassembly Steam Generator Works System Operation In-core Thimble ISI Valve Disassembly Check Primary Pump Check Vibration Isolation Check Boron Corrosion Test LLRT Gauge Calibration RCP Check Radiation Safety Management Decontaminati on, Laundry & Radwaste Process The Other Works Total Before After Radiation Exposure The Lowest Level since the First Operation!!

34 The number of Entrance(Persons) 30,000 25,000 20,000 15,000 10,000 5,000 0 OutagePersonsDays 15th22, th23,84233 Outage Periods(Days) Before(Fifteenth Outage)After(Sixteenth Outage) Personal Average Radiation Exposure OutagePersonal Average Radiation Exposure(mSv) 15th th0.023 Before(Fifteenth Outage)After(Sixteenth Outage)

35 (man-mSv) ’ ~ ’ ~ Radiation Exposure 구 분구 분 구 분구 분 Radiation Exposure in High Radiation Area Yearly Calculation Reduced Radiation Exposure in comparison with Pre-Operation man-mSv Reduced Radiation Exposure in comparison with Pre-Operation man-mSv

36 (Man-mSv) Before( ~03.25)After( ~03.25) Classification System Operation Radiation Safety Management Radwaste Process Decontamination & The Other Works Total Yearly Calculation Before After Dose Difference

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