1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61226 KS C IEC 61226:2012 2012 11 23 http:/www.kats.go.krKS C IEC 61226:2012 : ( ) ( ) () ( ) : () () ( ) () () () ( ) () () : (http:/www.standard.go.kr) ： ：2004 7 29 ：2012 11 23 2012-0633 ： ：() ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS C I
2、EC 61226:2012 i ii . iii 1 1 2 1 3 .2 4 5 5 .6 5.1 .6 5.2 .6 5.3 7 5.4 8 6 .10 6.1 .10 6.2 10 6.3 10 7 .12 7.1 12 7.2 .12 7.3 I&C .13 7.4 .15 7.5 .16 A( ) .20 22 1 IEC 19 1 .11 KS C IEC 61226:2012 ii . , , . , , . KS C IEC 61226:2012 iii 2009 3 IEC 61226, Nuclear power plants Instrumentation and con
3、trol important to safety Classification of instrumentation and control functions . . KS C IEC 61226:2012 Nuclear power plants Instrumentation and control important to safety Classification of instrumentation and control functions 1 I&C . . . , , , ( ) (QA) . (I&C) . , . . I&C . IAEA NS-R-1 NS-G-1.3
4、, I&C . KS C IEC 61508 IAEA KS C IEC 61513 . 2 . . ( ) . KS C IEC 60671： 2012, KS C IEC 60709, KS C IEC 60780, KS C IEC 60812, (FMEA) KS C IEC 60964, KS C IEC 60965, KS C IEC 60980, KS C IEC 60987, KS C IEC 61226:2012 2 KS C IEC 61000 6-2, (EMC) 6-2： KS C IEC 61513, KS C IEC 61771, KS C IEC 61772, (
5、VDU) KS C IEC 61839, IEC 60880： 2006, Nuclear power plants Instrumentation and control systems important to safetySoftware aspects for computer-based systems performing category A functions(KS X IEC 60880 ) IEC 61000 4(all parts), Electromagnetic compatibility(EMC) Part 4： Testing and measurement te
6、chniques IEC 62138, Nuclear power plants Instrumentation and control important for safety Software aspects for computer-based systems performing category B or C functions IAEA NS-R-1： 2000, Safety of nuclear power plants: Design IAEA GS-R-3： 2006, The management system for facilities and activities(
7、available in English only) IAEA NS-G-1.3： 2002, Instrumentation and Control Systems Important to Safety in Nuclear Power Plants 3 . 3.1 (anticipated operational occurrence) , . IAEA Safety Glossary:2007 3.2 (common cause failure) CCF , IAEA Safety Glossary:2007 3.3 (design basis accident) DBA IAEA S
8、afety Glossary:2007 3.4 (design basis event) DBE 3.13 KS C IEC 61226:2012 3 3.5 (diversity) , IAEA Safety Glossary:2007 IEC 60880 3.5 “ ” . . . . IAEA . 3.6 (equipment) . ( ) . KS C IEC 61513, 3.17, 3.7 (function) , 3.8 (functionality) KS C IEC 61513, 3.25 3.9 (human factor engineering programme) ,
9、, , , 3.10 (item important to safety) / . a) , b) , c) , IAEA Safety Glossary:2007 KS C IEC 61226:2012 4 I&C . 3.11 (non-hazardous stable state) , (： ) , . 3.12 (performance) (： , , ) 3.13 (plant states) a) b) a) b) IAEA Safety Glossary . “ ” . 3.14 (postulated initiating event) PIE . IAEA Safety Gl
10、ossary:2007 3.15 (redundancy) ( ) , . IAEA Safety Glossary:2007 3.16 (safety group) KS C IEC 61226:2012 5 IAEA Safety Glossary:2007 3.17 (safety related system) IAEA Safety Glossary:2007 3.18 (safety system) IAEA Safety Glossary:2007 3.19 (single failure) IAEA Safety Glossary:2007 3.20 (system) . ,
11、. KS C IEC 61513, 3.61 3.21 (type test) IEV 394-40-02 3.22 (unacceptable consequence) PIE . . . 1 . . 4 ALARA As low as reasonably achievable( ) KS C IEC 61226:2012 6 DBA Design basis accident( ) DBE Design basis event( ) FAT Factory acceptance test( ) FMEA Failure modes and effects analysis( ) HMI
12、Human machine interface(- ) IAEA International Atomic Energy Agency( ) I&C Instrumentation and control( ) NPP Nuclear power plant( ) PIE Postulated initiating event( ) PRA Probabilistic risk assessment( ) QA Quality assurance( ) SAT Site acceptance test( ) 5 5.1 I&C . . I&C . . 5.2 . 5.3 3 . 1993 IE
13、C 61226 . 5.4 . 6. . 7. 3 . , . A I&C . . 5.2 . , . . IAEA NS-R-1 . (I&C) , . , , . KS C IEC 61226:2012 7 IAEA NS-G-1.3 . . I&C IAEA NS-G-1.3 , I&C A, B, C . I&C A B , I&C B C . I&C . I&C . I&C . . A, B, C . , . . 5.3 5.3.1 I&C . I&C , , . I&C . I&C , , . , A, B, C , I&C I&C . 5.3.2 A A DBE . . 1).
14、1) . , . . . , A . KS C IEC 61226:2012 8 , , . A A . . 5.3.3 B B A . , (DBE) DBE . B A . B DBE A , . B DBE DBE . DBE A , B A . , B A . 5.3.4 C C . C A B . DBA , . 5.4 5.4.1 A, B, C . “ (NC)” . . 6.3 . 5.4.2 A I&C A . a) DBE b) . A . KS C IEC 61226:2012 9 c) 5.4.3 B A I&C B . a) DBE b) , DBE c) , A d) DBE e) , . 5.4.4 a) . f) 1 A DBE . g) (： ) , A 2) 2 , B . 5.4.4 C A B I&C C . a) 5.4.3 e) . C , . 1 5.4.4 a) . b) 2 (： ) . c) A B , 5.4.3 g) B 2) KS C IEC 60671 4.2.6 , . “ , .” KS C IEC 61226:2012 10 d) DBE e) A f) (： , ) g) h) (： , ) i) j)
