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2 Contents Reg. Guide 1.32 (rev.3) : Criteria for power systems for nuclear power plants Reg. Guide 1.75 (rev.3) : Criteria for independence of electrical safety systems Reg. Guide (rev.0) : Guidelines for lightning protection of Nuclear Power Plants Reg. Guide (rev.1) : Guidelines for evaluating EMI/RFI in safety-related I&C systems Draft Reg. Guide 1153 ( ) : Availability of Electric Power Sources Draft Reg. Guide 1154 ( ) : Installation design & installation of vented lead-acid storage batteries for NPP Draft Reg. Guide 1155 ( ) : Maintenance, testing, and replacement of large lead storage batteries for NPP Draft Reg. Guide 1172 ( ) : Application and testing of safety-related diesel generators in NPP Draft Reg. Guide 1142 ( ) : Guidelines for environmental qualification of safety-related computer-based I&C systems in NPP Standard Review Plan 8.2 Offsite power system 8.4 Station Blackout Lighting Systems

3 Introduction RG & DG : (operating experience) (endorsement) SRP : (passive reactor) DC(Design Certification) and COL(Combined license) (TSO)

4 Criteria for power systems for nuclear power plants : RG-1.32 rev.3 ( ) endorse IEEE Criteria for Class 1E power systems for nuclear power generating stations GDC 17 Electric power system ( ) GDC 18 Inspection and testing of electric power system ( ) IEEE provides (multi-unit) (documentation)

5 Criteria for power systems for nuclear power plants : RG-1.32 rev.3 ( ) IEEE , section 7.1 : (multi-unit), Class 1E RG 1.81(Shared emergency and shutdown electric systems for multiunit nuclear power plants), NRC

6 Criteria for independence of electrical safety systems : RG-1.75 rev.3 ( ), endorse IEEE Standard criteria for independence of Class 1E equipment and circuits IEEE ( ) (cable tray-conduit, cable tray-cable in free air, conduit-cable in free air) /,, (associated circuits)

7 Criteria for independence of electrical safety systems : RG-1.75 rev.3 ( ) IEEE , Circuit breaker tripped by fault currents, Fuses (power circuits), Fuses (I&C circuits) : (isolation device)., (coordination scheme). IEEE , Minimum separation distances : raceway cable splices() IEEE , 5.6 Non-Class 1E circuits : General criteria (3) :,,.,.

8 Guidelines for lightning protection of NPP : RG ( ) (inoperable), (spurious operation) (lightning protection system) 2 (surge, EMI/RFI) surge guideline (NFPA , UL96A-2001) electric power facility 4 endorsement : IEEE , IEEE , IEEE , IEEE C : NFPA 780 Annexes B and D

9 Guidelines for lightning protection of NPP : RG ( ) IEEE Std , IEEE Guide for Generating Station Grounding IEEE Std , IEEE Design Guide for Electrical Power Service Systems for Generating Stations IEEE Std , IEEE Guide for Instrumentation and Control Equipment Grounding in Generating Stations IEEE Std. C , IEEE Application Guide for Surge Protection of Electric Generating Plants IEEE 665, Station reinforcing steel

10 Guidelines for lightning protection of NPP : RG ( ),,, (in-depth inspection), (, )

11 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) I&C EMI/RFI surge,, Design & Installation : IEEE EMI/RFI emission & susceptibility (EMC) : MIL-STD 461E, IEC Series Surge withstand capability (SWC) : IEEE C , IEEE C I&C I&C digital & advanced analog system RG-1.180(rev.0) : MIL-STD 461D, 462D RG-1.180(rev.1) : MIL-STD 461E, IEC Series ( version ) SWC : IEC 61000, level (3kV2kV) 1GHz (NUREG/CR-6782)

12 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) Table 1. specific regulatory position for EMC guidance

13 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) EMI/RFI emission testing CE101 exemption : power quality control, 5% total harmonic distortion RE101 exemption : separation from equipment that is sensitive to magnetic field

14 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) EMI/RFI emission testing CE101 exemption : power quality control, 5% total harmonic distortion RE101 exemption : separation from equipment that is sensitive to magnetic field

15 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) EMI/RFI susceptibility testing

16 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) EMI/RFI susceptibility testing

17 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) Surge Withstand Capability IEEE Std C , IEEE Recommended Practice on Surge Voltages in Low- Voltage AC Power Circuits : surge test waveform IEEE Std C , IEEE Guide on Surge Testing for Equipment Connected to Low-Voltage AC Power Circuits : IEC : IEEE Std C , power linesurge withstand level (3kV2kV)

18 Guidelines for evaluating EMI/RFI in safety-related I&C systems : RG rev.1 ( ) Radiated EMI/RFI testing above 1GHz 1GHz radiated EMI/RFI emission & susceptibility : MIL-STD 461E RE102 & RS103 IEC microprocessor, 1GHz 10GHz (radiated)

19 Availability of Electric Power Sources DG-1153( ) Proposed rev.1 of RG 1.93( ) LCO, The available ac power sources are one less than the LCO : 2 The available Offsite ac power sources are one less than the LCO The available Onsite ac power sources are one less than the LCO General update : 30, 10CFR50.63(SBO), 10CFR50.65(MR), issue :

20 Availability of Electric Power Sources DG-1153( ) 1) The available Offsite ac power sources are one less than the LCO. 72,. 72, 6 hot standby(mode3), 36 cold shutdown 2) The available Onsite ac power sources are one less than the LCO EDG., EDG common cause failure.

21 Availability of Electric Power Sources DG-1153( ) 3) The available Offsite ac power sources are Two less than the LCO.,. 24, , 6 hot standby(mode3) 4) The available Offsite&Onsite ac power sources are each one less than LCO. 12, , 6 hot standby(mode3), 36 cold shutdown

22 Availability of Electric Power Sources DG-1153( ) 5) The available Onsite ac power sources are Two less than the LCO. 2, 72. 2, 36 cold shutdown 6) The available Onsite DC power sources are one less than the LCO. / 2, 6 hot standby(mode3), 36 cold shutdown

23 Installation design & installation of vented lead-acid acid storage batteries for NPP : DG-1154( ) Proposed rev.2 of RG 1.128( ) RG 1.128(rev.1) endorse IEEE RG 1.128(rev.2) endorse IEEE ( ) IEEE , IEEE ,. rev.2 IEEE GDC code. : code IEEE [ For nuclear power generating stations, ]

24 Installation design & installation of vented lead-acid acid storage batteries for NPP : DG-1154( ) 1) IEEE References : IEEE 308, IEEE , IEEE 344, IEEE 450, IEEE 384 2) IEEE Location item (d) : (RG 1.189) 3) IEEE Location item (k) : Class 1E IEEE 384 4) IEEE Mounting item (c) : cell plate rack 5) IEEE Seismic item (d) : Class 1E rack IEEE 344

25 Installation design & installation of vented lead-acid acid storage batteries for NPP : DG-1154( ) 6) IEEE Freshening charge sequence item (a) : sampling, 7) IEEE Acceptance test : RG endorse IEEE 450 8) IEEE Section 8.0 : 8.0 Quality Assurance Program Class 1E QA 9) 5.1 Location item (c), (d), (g) 5.5 Instrumentation and alarm item (e), (f) Storage item (a) Data collection item (e) 7 Record item (f)

26 Maintenance, testing, and replacement of large lead storage batteries for NPP : DG-1155( ) Proposed rev.2 of RG 1.129( ) RG 1.129(rev.1) endorse IEEE RG 1.129(rev.2) endorse IEEE ( ) IEEE Class 1E.() Class 1E IEEE IEEE : code IEEE [ For nuclear power generating station Class 1E batteries, ]

27 Maintenance, testing, and replacement of large lead storage batteries for NPP : DG-1155( ) 1) IEEE References : IEEE Std 308, IEEE Std 484, IEEE Std ) IEEE Inspections : Class 1E, (weekly) 3) IEEE State of Charge Indicator : Class 1E, range and duration Class 1E, lead-calcium (stabilized charging current). (remote monitoring.) 4) IEEE Test schedule : Class 1E, service test and performance test

28 Maintenance, testing, and replacement of large lead storage batteries for NPP : DG-1155( ) 5) IEEE Acceptance test : 6) IEEE Modified performance test : Class 1E, service test and/or performance test modified performance test.,. 7) IEEE Discharge rate : Class 1E, (time-adjusted method)

29 Application and testing of safety-related diesel generators in NPP : DG-1172( ) Proposed rev.4 of RG 1.9( ) RG 1.9(rev.3) endorse IEEE RG 1.9(rev.4) endorse IEEE IEEE endorse IEEE EDG EDG,, (slow start) RG 1.9(rev.3) design basis event load / worst case design basis event load

30 Application and testing of safety-related diesel generators in NPP : DG-1172( ) 1) Design considerations IEEE Inclusion : auto control, manual control, DG output breaker RG 1.9(rev.3) :, (predicted loads) EDG., (design basis event loads) EDG. IEEE , 4.2 Rating : (design basis event) EDG. : /.

31 Application and testing of safety-related diesel generators in NPP : DG-1172( ) 2) Diesel generator testing RG1.9(rev.3) : Start test ( ) Slow start test ( ) RG1.9(rev.3) : Load run test (90-100% ) Load run (load acceptance) test : % (worst case design basis event load) Rated load test : EDG,. LOOP test :,.

32 Application and testing of safety-related diesel generators in NPP : DG-1172( ) 2) Diesel generator testing RG1.9(rev.3), Full load rejection test : power factor %. Design load rejection test : worst case design load power factor % RG1.9(rev.3), Endurance and margin test : power factor 24, % Endurance and load margin test : worst case design load power factor % or 5-10% (design basis load) Hot restart test : (design basis event load) 2

33 Guidelines for environmental qualification of safety-related computer-based I&C systems in NPP : DG-1142( ) Previously issued as DG-1077( ) RG 1.89(rev.1) endorse IEEE DG-1142 endorse IEEE IEEE endorse RG 1.89 DBA harsh environment EQ mild environment, IEEE : I&C less severe

34 Guidelines for environmental qualification of safety-related computer-based I&C systems in NPP : DG-1142( ) higher functional density : multi-function sequential function execution : lower radiation tolerance : rapid evolution of digital technology :/ failure mechanism smoke exposure from an electrical fire :smoke

35 Guidelines for environmental qualification of safety-related computer-based I&C systems in NPP : DG-1142( ) I&C : type testing IEEE , Normal & abnormal service conditions : (actual) service condition IEEE , Aging consideration : significant aging mechanism aging condition IEEE , test plan & test sequence :, mild mild 7.2 Harsh environment documentation guidance 7.1 Mild environment documentation harsh RG 1.89 endorse

36 Standard Review Plan 8.2 Offsite power system (TSO) update : Generic Letter Grid reliability and the impact on plant risk and the operability of offsite power, : RG (ALWR)/(passive reactor), : BTP PSB-1 Adequacy of station electric distribution system voltage update : Information Notice Submerged safety-related electrical cables : 10CFR50.65(a)(4) MR(), RG1.160 RG1.182 DC(Design Certification) & COL(Combined license) : DG-1145 Combined license applications for NPP

37 Standard Review Plan 8.2 Offsite power system 1. GDC 17 A., 2 GDC 17, RTNSS(regulatory treatment of non-safety system) risk important, non-safety related, active system C. (single event), FMEA( ) E..(should shall) F. (Maintenance Rule) Section 50.65(a)(4), RG1.182 & RG1.160

38 Standard Review Plan 8.2 Offsite power system I. RG1.204, IEEE std. 665/666/1050/C62.23 J, K, L J., NPP TSO (offsite power LOOP ) K. GDC 17 ( ). L. wetted & submergence cable

39 Standard Review Plan 8.2 Offsite power system 2. GDC 18, RG1.204 guideline 5. GDC 2, lightning discharge,, submergence & wet, plant operator TSO / 11. DC(Design Certification) and COL(Combined license)

40 Standard Review Plan 8.4 Station Blackout SRP 8.2 App. B. Guidelines for review of AAC for SBO at NPP new ALWR AAC (SECY , SECY ) GL SBO(communication protocols) / 10CFR50.65(a)(4), RG1.160, RG1.182 EDG DG-1145 passive ALWR() RTNSS(Regulatory treatment of Non-Safety System) DG-1145 NUMARC-8700 (rev.0) DC & COL

41 Standard Review Plan 8.4 Station Blackout (1) SBO coping duration : SBO offsite(prefered) power or onsite(edg) power 10CFR50.63 RG1.155 C.3.1, SBO coping duration factor (EDG) (redundancy) (reliability) LOOP

42 Standard Review Plan 8.4 Station Blackout (2) SBO coping capability RG1.155 C.3.2 : SBO coping duration. ac-independent approach : energy source (process steam, dc power, compressed air ) DC & COL. AAC approach : AAC power source SBO. 100% (,, ) SBO SBO (,, )

43 Standard Review Plan 8.4 Station Blackout (3) AAC power source 10CFR50.63 AAC,, (95% ). new ALWR, (normal shutdown load) AAC source. (passive), RTNSS DG EDG(, portable ) AAC AAC 10, coping analysis.

44 Standard Review Plan 8.4 Station Blackout (4) Procedures and training RG1.155, SBO (operator action) (plant operating procedures) NPP TSO(transmission system operator) communication protocols

45 Standard Review Plan Lighting Systems. (Area of review) RG1.70 & DG-1145 (lighting failure analysis) COL(Combined license).. (Acceptance criteria), (safety-related equipment), (used for implementing safe shutdown) : offsite power as defined in Section 8.2 of the SRP. (Review procedures), (engineering judgment) (engineering assessment using the above acceptance criteria) DC & COL

46 Conclusion, RG, DG, SRP RG & DG,, SRP,,, DC & COL, (TSO) (TSO),

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- 2 - - 1 - - 2 - 전기자동차충전기기술기준 ( 안 ) - 3 - 1 3 1-1 3 1-2 (AC) 26 1-3 (DC) 31 2 37 3 40-4 - 1 14, 10,, 2 3. 1-1 1. (scope) 600 V (IEC 60038) 500 V. (EV : Electric Vehicle) (PHEV : Plug-in Hybrid EV).. 2. (normative