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施耐德公司的技术资料,关于短路电流计算,使用的方法有:* x; a Y+ A' }- b5 L7 g
1.Calculation of Isc by the impedance method 7 T$ q* k5 U+ @& N( F m1 Introduction p. 4 8 w; M3 r+ k D% ~6 U1.1 The main types of short-circuits p. 54 ^! T: \" m8 n2 I. X8 W
1.2 Etablishing the short-circuit current p. 7& q" O4 V3 [8 F9 s
1.3 Standardised Isc calculations p. 10 , z5 y4 v2 o$ y4 Y; h1.4 Methods presented in this document p. 11 # f. k- A: t9 y7 V" I1.5 Basic assumptions p. 11 5 Y; v9 k( [5 I$ L! Y0 O3 G: U2 Calculation of Isc by the impedance method 2.1 Isc depending on the different types of short-circuit p. 12% h) ?1 N# W& Z8 L
2.2 Determining the various short-circuit impedances p. 13' P+ F' j+ R& t/ z
2.3 Relationships between impedances at the different) G1 `4 q$ Z$ x$ d5 c* F0 M
voltage levels in an installation p. 18+ Q2 K+ i! l9 s# Z5 D
2.4 Calculation example p. 19 # ~8 w+ A, B ~& W/ O3 Calculation of Isc values in a radial 3.1 Advantages of this method p. 23' H4 `: n( Z7 `9 {& i% \
3.2 Symmetrical components p. 23 6 y) d( V* T3 {; M3.3 Calculation as defined by IEC 60909 p. 24+ h$ \8 T& [, N5 C2 s- b. l
3.4 Equations for the various currents p. 26 0 G1 o! i1 C" Y8 {( k* q# a3.5 Calculation example p. 27 6 y; W6 c6 S, H; s4 Computerised calculations and conclusion p. 31/ @# q: Z; K, o* ~
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总共36页,贴近实际应用。-%-18926-%--%-18953-%--%-18986-%-