内容介绍: 3 s; @+ |- [8 t 施耐德公司的技术资料,关于短路电流计算,使用的方法有:) Y7 l5 p3 k6 m' d' C
1.Calculation of Isc by the impedance method ! a+ W% c8 c8 f& ~% v7 ~1 Introduction p. 4% h9 d( X% N; f; i
1.1 The main types of short-circuits p. 55 |1 f+ J! x S# n# t3 D
1.2 Etablishing the short-circuit current p. 7 # ]- c- H; V1 Z5 t: o1 Y1.3 Standardised Isc calculations p. 10 $ _2 W0 E- x# U1.4 Methods presented in this document p. 11 1 N7 ~' k" Q: t$ T3 Y5 g! `8 h1.5 Basic assumptions p. 11 2 z$ s* q4 r0 I2 Calculation of Isc by the impedance method 2.1 Isc depending on the different types of short-circuit p. 12 / v3 ~2 X! k5 ^2.2 Determining the various short-circuit impedances p. 137 p8 E$ X/ E: |% F6 n1 k5 ?
2.3 Relationships between impedances at the different( S8 a1 |# Q$ n5 L. N/ V: U: K
voltage levels in an installation p. 18: {! C6 v5 k- X$ ?
2.4 Calculation example p. 196 R% a a+ L- U4 A3 j
3 Calculation of Isc values in a radial 3.1 Advantages of this method p. 23+ X c: i& u ?, Q7 @8 b
3.2 Symmetrical components p. 23 6 p" h2 N, `0 }) R" c' `3.3 Calculation as defined by IEC 60909 p. 248 f$ H5 L! s& B1 }& K
3.4 Equations for the various currents p. 26 ?, g' h, N' r* k; N6 z
3.5 Calculation example p. 27 q, n6 a; S& ]4 T# c3 O8 r: u; q4 Computerised calculations and conclusion p. 31 \0 \2 f: a% l" o! ^% D* K
# }2 z; n ?6 l5 D+ K4 Y9 M K$ N总共36页,贴近实际应用。-%-18926-%--%-18953-%--%-18986-%-