内容介绍: ; X0 P' Z; V8 B6 I, ]" [& ~2 `1 z 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+ V# Z" V" Y [/ ~; F8 o" K1.Calculation of Isc by the impedance method ) M1 Q @, d7 E8 S1 Introduction p. 4( t% C/ y! ]; r0 _! b4 q W; U
1.1 The main types of short-circuits p. 5 ) W9 Z: ^6 o' G" |) l1.2 Etablishing the short-circuit current p. 7 " N0 @5 {) |# Q1 j/ t, j1.3 Standardised Isc calculations p. 10 - d B* @4 r+ @; m$ O$ \ R1.4 Methods presented in this document p. 110 v, M5 b. O; b
1.5 Basic assumptions p. 11 & v* }1 t' r m. F# J% V6 F3 z2 Calculation of Isc by the impedance method 2.1 Isc depending on the different types of short-circuit p. 121 ~6 v3 M' v" k. y/ d8 D
2.2 Determining the various short-circuit impedances p. 13, z9 @( F) ^6 i- p
2.3 Relationships between impedances at the different 3 c7 Q+ |6 t. b, i" Y; b8 o7 j7 Rvoltage levels in an installation p. 18 ! N- [6 e9 g! A2.4 Calculation example p. 19! O# o3 |+ H# F V$ W2 Z
3 Calculation of Isc values in a radial 3.1 Advantages of this method p. 23- `" L9 N9 U9 o% r& {' h6 r
3.2 Symmetrical components p. 23 * B/ G1 G0 v) X2 J# Z3.3 Calculation as defined by IEC 60909 p. 24% Y1 a3 H; L, |; Y# y
3.4 Equations for the various currents p. 26 8 j" M0 `. z0 x* j k3 b3.5 Calculation example p. 27. V/ z6 F& G. q$ m% w
4 Computerised calculations and conclusion p. 31 + b' q# }; B5 O( [# o8 r* }7 W. m/ ` b6 z: l5 A/ g! M3 |
总共36页,贴近实际应用。-%-18926-%--%-18953-%--%-18986-%-