内容介绍: 6 n, q6 C: M9 s( P0 U! `2 P" |1 T& c 施耐德公司的技术资料,关于短路电流计算,使用的方法有:+ k8 X% B% {% M y+ p* a
1.Calculation of Isc by the impedance method6 F* n, U5 }- @2 H% _. X' _
1 Introduction p. 4" }$ a# s3 j8 q
1.1 The main types of short-circuits p. 53 R" o( O- x1 i8 K: i
1.2 Etablishing the short-circuit current p. 7/ ^. `3 t! t7 o9 {8 N: Y. n+ Z
1.3 Standardised Isc calculations p. 10" ?9 Q x/ q: _- c1 W( E) @
1.4 Methods presented in this document p. 11% F8 p6 y/ Y! |/ K* y6 N
1.5 Basic assumptions p. 11 % Z7 O" ~. \/ y9 T/ R2 Calculation of Isc by the impedance method 2.1 Isc depending on the different types of short-circuit p. 12( M5 ]! U" m& ^4 p8 M
2.2 Determining the various short-circuit impedances p. 13 5 X7 y. M( P/ }: N* @2.3 Relationships between impedances at the different. y5 ~0 I' Z! X2 G5 g
voltage levels in an installation p. 18 A% R- L0 R, R6 R* W
2.4 Calculation example p. 19 3 P# v$ J9 A/ B0 t7 Q3 c3 Calculation of Isc values in a radial 3.1 Advantages of this method p. 23 - \# C, W4 `" C3.2 Symmetrical components p. 23 ; G- @; b! x9 G/ [, d I! Z, R K3.3 Calculation as defined by IEC 60909 p. 244 C+ d1 G A# |( T4 C
3.4 Equations for the various currents p. 261 l$ t$ P% ]) A4 v [+ n- P
3.5 Calculation example p. 271 @ q3 V9 C' e( l
4 Computerised calculations and conclusion p. 31 3 f/ u0 a$ u: P1 W7 {+ ?& B# q# A$ P$ e' z3 |
总共36页,贴近实际应用。-%-18926-%--%-18953-%--%-18986-%-