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High Voltage Engineering # H* K1 p& J4 j" |
& p1 j) W3 W2 R' G! B+ qby Lucas J R
+ l. H* J0 r- E! H3 s" N. j/ n9 m% K4 n, v( \! W: P# l
First Produced in Cyclostyled form 1970
( z9 c" d! g# }" j+ v[Revised and Reproduced periodically]
% O! P, B% W, P; q. gNew Edition 1995+ F& W* N: _6 O& l G! Q1 ~5 q. Y
Revised Edition 2001
+ s) F1 p3 Z6 X) U9 W1 W8 _- n, s/ I1 s( o. `
1 BREAKDOWN OF GASEOUS INSULATION 8 e4 M' b6 z9 i4 b9 h9 \
2 BREAKDOWN OF LIQUID AND SOLID INSULATION........... ..................................... 22( c$ y! @+ Y! l2 Y
3 LIGHTNING PHENOMENA.................................................. .......................................... 34
, L! B' r1 p* @% `( c9 a6 g3 W4 HIGH VOLTAGE TRANSIENT ANALYSIS............................................................................................................... 45) M' d7 F( ]: h0 O& }+ k
5 HIGH VOLTAGE CABLES............................................................................................................................................. 640 T0 i8 o/ E: m8 L: ^# c2 `
6 MEASUREMENT OF HIGH VOLTAGES.................................................................................................................... 91
( I* p% C0 f* \6 K6 w( X2 Y7 HIGH VOLTAGE GENERATORS FOR TESTING .................................................................................................. 1236 }% h1 t7 @0 i- S2 D
8 HIGH VOLTAGE SURGE GENERATORS ................................................................................................................ 132
% E* \6 I7 V u" J6 T4 I& R9 HIGH VOLTAGE TESTING.......................................................................................................................................... 1485 o ~& w5 t2 j1 g) B
9.0 High Voltage Testing Procedure............................................................................................................................ 148
- k, ]8 \% d8 t. F9.1 General tests carried out on High voltage equipment ........................................................................................ 148
7 W9 }4 K" q; W9.2 Testing of solid dielectric materials....................................................................................................................... 1512 `' b k$ Q+ F7 _/ V( i1 P
9.3 Impulse Testing......................................................................................................................................................... 153
& e$ X6 d# p y/ D9.4 Voltage Distribution in a Transformer Winding.................................................................................................. 155' e2 s: m2 Y6 J2 V
9.5 Tests on Insulators.................................................................................................................................................... 158
2 F' u& V. j2 F) x6 G9.6 Tests on Transformers ............................................................................................................................................. 160
, C: }5 b1 A$ C! N. E' u& X9.7 Tests on Cables.......................................................................................................................................................... 161* ], F4 G' P' G; s+ |
9.7.1 Tests on Pressurised Cables.......................................................................................................................... 162( m* L' O1 z& |; P2 Z& c9 R) Q% ]# _
9.8 Tests on High Voltage Bushings............................................................................................................................ 163' E/ C! `" W% R) x: n5 R
9.9 Tests on Porcelain and toughened glass insulators for overhead power lines............................................... 1643 R. H) G: f5 w
10 INSULATION CO-ORDINATION.............................................................................................................................. 166
% ?# e; ^4 Q' I- l& j9 R! t10.0 Insulation Co-ordination......................................................................................................................................... 166) K" W M9 y3 i- C" c
10.1 Terminology .............................................................................................................................................................. 1668 D2 m4 p* l4 w# w+ {
10.2 Conventional method of insulation co-ordination .............................................................................................. 168# J, Q: @( I6 D7 v4 I
10.3 Statistical Method of Insulation Co-ordination .................................................................................................... 1698 _ V4 t6 w( k# _# X, @: F
10.3.1 Evaluation of Risk Factor ............................................................................................................................. 170
. }# d" q, `4 r h0 ^; U% ^3 X10.4 Length of Overhead Shielding Wire ...................................................................................................................... 170
( {, N: {/ r0 J$ \ j4 s. {1 d10.4.1 Modification of Waveshape by Corona..................................................................................................... 171
. G o! C, w9 _; O4 i10.5 Surge Protection........................................................................................................................................................ 173
, Z7 M: N5 ?5 m1 c11 HIGH VOLTAGE DIRECT CURRENT TRANSMISSION..................................................................................... 184
) W9 P! `* R0 c$ N' u11.0 Historical Background............................................................................................................................................. 1847 l3 A5 Z3 f( h6 X; c0 Y3 v
11.1 Comparison of a.c and d.c transmission................................................................................................................ 185
: E1 N5 o' E6 x6 | G) B& \8 e11.2 Convertor arrangements and operation................................................................................................................ 190
3 t1 P! g$ Y, A) q0 M/ F11.3 Control Characteristics ............................................................................................................................................ 199
3 h; i1 R$ h/ y* I4 Q11.4 Classification of d.c. links........................................................................................................................................ 2034 Q+ R' s$ y1 a: Y. r* U
INDEX......................................................................................................................................................................................... 205 |
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