JAB RL504:201 JAB NOTE 4 2 January 25, A B

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1 JAB RL504:201 JAB NOTE 4 JAB RL504: /

2 JAB RL504:201 JAB NOTE 4 2 January 25, A B ISO/IEC /

3 JAB RL504:201 1 ISO/IEC 17025:2005, General requirements for the competence of testing and calibration laboratories 2 ISO/IEC Guide 2:2004, Standardization and related activitiesgeneral vocabulary International vocabulary of metrology-basic and general concepts and associated terms :2008, issued by BIPM, IEC, ISO, IFCC, IUPAC, IUPAP and OIML VIM 4 Guide to the Expression of Uncertainty in Measurement:1995, issued by BIPM, IEC, ISO, IFCC, IUPAC, IUPAP and OIML GUM 5 IEC :2010, High-voltage test techniques. Part 1: General definitions and test requirements 6 IEC :2010, High voltage test techniques. Part 2: Measuring systems 7 IEC 62475:2010, High-current test techniques Definitions and requirements for test currents and measuring systems 8 CIGRE -96 (WG 0):1996, Uncertainty of HV Measurements the Situation at IEC and CENELEC 9 STL GUIDE TO THE INTERPRETATION OF IEC , JIS Z8101-1:1999, - measurandvim true valuevim errorvim /

4 JAB RL504:201 - uncertainty of measurementvim.9 - testiso/iec Guide 2 - calibrationvim resolution 10 - normal distribution, Laplace-Gauss distributionjis Z8101-1, x μ f ( x) = exp, < x < σ 2π 2 σ - uniform distribution, rectangular distributionjis Z8101-1, 1.24 a, b 0 - correlationiso 54 - standard deviation - experimental standard deviationvim.8 n 2 ( x x) x i i = i = 1 s = n 1 x = n = - level of confidence standard uncertaintygum combined standard uncertaintygum coverage factorgum expanded uncertaintygum /

5 JAB RL504:201 - national standardvim 6. - reference standardvim traceabilityvim 6.10 () - measuring systemvim rss root sum square method root sum square = 7 - output quantity - input quantity(ies) /

6 JAB RL504: u u c U y yu yu U Y N X 1, X 2,, X N GUM Y = f (X 1, X 2,, X N ) (1) Y X 1, X 2,, X N u i A B u c 2 u c = u i U U=ku c k /

7 JAB RL504:201 AB A B 5. A Q q n q i i = 1, 2,, n q q q 1 q = n n q i i= 1 (2) q 2 s 2 (q k ) n s ( qk ) = ( qi q) () n 1 i= 1 s(q k ) n-1 q 2 2 σ σ ( q) = n 2 2 s qk s ( q) = ( ) (4) n s 2 ( q ) s (q) Q q q u (q) s (q) u ( q) = s( q) (5) 1 n t B U /

JAB RL504:201 5.2 a s b s 5.2 ab s x min x max 5.

8 JAB RL504: a s b s 5.2 ab s x min x max 5.2(b) (6) a u ( x) = (6) x max x a = min (7) 2 a Bν ν Δu( x) ( ) u x 2 (8) Δ u u 25 Δu( x) 1 = ν = 8 u( x) rss /

9 JAB RL504:201 n i= 1 [ ] 2 c u( x ) u c ( y) = i i (9) u(x i ) i X i c i Y X i f (1) X i =x i X i X i =x i x i Δ x i Y Δ y c i Δy = (10) Δx i 1(9) GUM 2(9) (9) (9)rss 6.2rss 5.6 U (9) u c (y) k U = k u c (y) (11) k p t k=2 p=95% k=2 p=95% ν 20 ν ν i (12) ν eff i= 1 4 c ( 4 ui u y) ν eff = (12) n ( y) ν i /

10 JAB RL504:201 u i (y) = c i u(x i ) (1) 5.1 t n p% t p% n k=2 ν 20 k=2 p=95% U (14) y UA (14) y U U 100 y (15) /

11 JAB RL504:201 y110-2 A (15) 2yA 5 U y 6 k 2GUM 2 k (A) ν =50 t k= /

12 JAB RL504: (E/O-O/E) -2 (E/O-O/E) D/C - A/D /

13 JAB RL504:201 A/D E/O O/E 6.2 E/O O/E D/C A/D 6. D/C A/D 6.4 D/C A/D /

14 JAB RL504: u 1 A (5) u 2 B /1 (5)/(6) -1 u B (6) u 4 B (6) u 5 B (6) u 6 A (5) u 7 B /1 (5)/(6) -2 u 8 B (6) u 9 B (6) u 10 B (6) -1 u 11 B (6) ( E/O-O/E) u 12 B (6) -2 u 1 B (6) ( E/O-O/E) u 14 B (6) - D/C u 15 B (6) u 16 B (6) u 17 B (6) A/D u 18 B (6) u 19 B (6) u 20 B (6) u 21 B (6) /

15 JAB RL504: (a) u 1 6. m = 0.017(%) u 2 (b) u /

16 JAB RL504: u u kA 50A 50A/100kA= u (5) u 1 = = 0. 01(%) 10 u 2 k = () 0.05 u 2 = = (%) 2 u (6)u = = (%) u (6) u 4 = = (%) u A/100kA= (6)u 5 = = (%) /

17 JAB RL504: Peak u 6 トレーサブルな交流分流器を用いて同じ電流を n 比較用交流分流器 ( ) Im [ka] Ii [ka] (=Ii / Im) = 0.048(%) u 7 u 8 u u 9 トレーサブルな交流分流器を用いて /

18 JAB RL504: 比較用交流分流器 () (=Ii / Im) Im [ka] Ii [ka] = 0.211(%) u kA 50A 50A/100kA= u (/) 0.048%n=10 u6 = = 0.011(%) 10 u % u 7 = (%) u = % u8 = = 0.029(%) u 9 (/) 0.211%a= u 9 = = 0.122(%) u A/100kA= (6)u 10 = = (%) -1 E/O-O/E -2 E/O-O/E /

19 JAB RL504:201 E/O O/E A/D E/OO/E A/D E/O O/E B -1 u / 200.4% 0.4 u 11 = = 0.21(%) u % u 12 = = 0.04(%) -2 u /0.8% 0.8 u 1 = = 0.462(%) u % u14 = = 1.155(%) /

20 JAB RL504:201 D/C D/C D/C u u 15 = = 0.115(%) u u 16 = = 0.029(%) u (/)5 u 17 = = 0.087(%) A/D A/D A/D A/D (a) A/D A/D 0 12 (b) A/D /

21 JAB RL504:201 10kHz u % = 0.08 (%) u 18 = = 0.046(%) u u 19 = = 0.00(%) STLShort-circuit Testing Liaison STL u 20 u f(t) (t) /

22 JAB RL504: u 20 = = 0.289(%) 6.6 t I( t) = I m sin( ω t + φ) sin( φ) exp( ) τ i(t) π φ = ms u 21 = = 0.115(%) 6.7 r m s /

23 JAB RL504:201 () 6.8 () IEC IEC (JAB RL ) /

24 JAB RL504: u i (%) (n-1) u % u % (2) -1 u (% / ) 0.0 (2) u (% / ) 0.09 u 5 50A (2) -1 u E/O-O/E u % (% / ) (2) (2) u % u % (2) (2) u c Uk= /

25 JAB RL504: u 1 u 2 u u 4 u 5-2 u 1 5 E/O-O/E u % (% / ) u i (%) (n-1) (2) (2) u % (2) D/C u % (2) u (% / ) 0.09 (2) A/D u % u % (2) (2) u 20 u 21 u c Uk= /

26 JAB RL504: u 1 u i (%) (n-1) u 2-1 u u 4 u 5 - u 15 D/C u 16 u 17 A/D u 18 u 19 u 20 u 21 u c Uk= /

27 JAB RL504: u i (%) (n-1) u % u 7 u % (% / ) 0.0 () u % u u 15 D/C u 16 u 17 A/D u 18 u 19 u 20 u 21 u c Uk= u 2 u /

28 JAB RL504:201 ISO/IEC JAB NOTE4 50 JAB T&D /

29 JAB RL504:201 ISO/IEC [ / (cross-sensitivity)] (cross-sensitivity) /

30 JAB RL504:201 JIS Z 8402 (GUM) SI SI SI SI SI /( ) c) b) / /

31 JAB RL504:201 X x μ a μ + a f (x) 1 f ( x) = μ a x μ + a 2a = 0 x μ a, μ + a x 2 σ = 2 = 1 2a 2 a = a a f ( x) ( x μ) dx x 2 dx 2 σ = a /

32 JAB RL504:201 JAB NF18 REV PM /

33 JAB RL504: AN F Tel Fax /

JIS Z 9001:1998JIS Z 9002:1998 ISO/IEC 17025ISO/IEC Guide 25

JIS Q 17025 IDT, ISO/IEC 17025 IT JIS Z 9001:1998JIS Z 9002:1998 ISO/IEC 17025ISO/IEC Guide 25 JIS Q 17025 IDT, ISO/IEC 17025 IT IT JIS Q 17025ISO/IEC 17025 (2) JIS Z 9358 ISO/IEC Guide 58 (3) testing