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High Voltage Engineering & o' u% m7 X- f* O8 n* b& E
) `: O) z5 I, o# gby Lucas J R , U J! q7 ^3 M1 J+ l0 }
7 s2 _/ x: {5 D9 ~! j4 w! FFirst Produced in Cyclostyled form 1970
& m% m9 a8 O6 G6 @) G[Revised and Reproduced periodically]
" e5 g- ^- H8 lNew Edition 1995" T% @# e( g$ C6 e5 m* Z8 w) D7 P
Revised Edition 2001
( ~. Y& X: v( V( z0 h7 v1 a" s# [7 n7 I# \3 {; a9 L3 @
1 BREAKDOWN OF GASEOUS INSULATION 1 z; k. j" c; |7 [5 L4 d& v
2 BREAKDOWN OF LIQUID AND SOLID INSULATION........... ..................................... 22
- [- U: ~: V% o1 n3 LIGHTNING PHENOMENA.................................................. .......................................... 34" q& k4 q6 Y8 Z0 l0 z- z
4 HIGH VOLTAGE TRANSIENT ANALYSIS............................................................................................................... 45
9 f6 t* _8 A0 S" r' c4 S/ u1 |7 z5 HIGH VOLTAGE CABLES............................................................................................................................................. 646 X7 {8 I& V& B. F& D" ?( P3 U
6 MEASUREMENT OF HIGH VOLTAGES.................................................................................................................... 91
4 S1 A1 n+ H4 l0 ~; { \7 HIGH VOLTAGE GENERATORS FOR TESTING .................................................................................................. 123
: H% H, a% ^" E# {2 c8 HIGH VOLTAGE SURGE GENERATORS ................................................................................................................ 132
# u! V/ F2 ^2 A- R, I9 T9 HIGH VOLTAGE TESTING.......................................................................................................................................... 148% y. V; N: F' k* ~- ^% R8 J) J
9.0 High Voltage Testing Procedure............................................................................................................................ 148% G# r0 ^+ ~6 _: K5 j, \
9.1 General tests carried out on High voltage equipment ........................................................................................ 148
' c7 g/ E. y: m' P9 Z, J6 y9.2 Testing of solid dielectric materials....................................................................................................................... 1515 o! v: b9 m2 D2 u+ ]% |
9.3 Impulse Testing......................................................................................................................................................... 1539 z1 w5 O+ V l; E$ s) z
9.4 Voltage Distribution in a Transformer Winding.................................................................................................. 1555 S" X! q7 C$ p' i6 q# F3 J
9.5 Tests on Insulators.................................................................................................................................................... 158
/ j" u) a% Y4 a+ q# T9.6 Tests on Transformers ............................................................................................................................................. 1608 w; w0 e6 p$ T: L2 g$ c
9.7 Tests on Cables.......................................................................................................................................................... 161: @ _' C) g% L$ D8 O( u
9.7.1 Tests on Pressurised Cables.......................................................................................................................... 162- l# h2 H! o3 j. ?' o" G
9.8 Tests on High Voltage Bushings............................................................................................................................ 163
$ B) a! E0 w& I( ?$ X9.9 Tests on Porcelain and toughened glass insulators for overhead power lines............................................... 164
' `. }9 i3 s) ?10 INSULATION CO-ORDINATION.............................................................................................................................. 166
$ q" d0 d+ Y9 E( c0 g8 G10.0 Insulation Co-ordination......................................................................................................................................... 166
/ O- Z5 S B6 o4 U2 ~ e$ Q9 l10.1 Terminology .............................................................................................................................................................. 166
1 r/ b! \) t8 Y+ h4 h10.2 Conventional method of insulation co-ordination .............................................................................................. 168
1 I+ w# @* M3 n* X& j: H10.3 Statistical Method of Insulation Co-ordination .................................................................................................... 169+ z1 w6 o E) Y: Q' F
10.3.1 Evaluation of Risk Factor ............................................................................................................................. 170- |0 h/ R, T; a
10.4 Length of Overhead Shielding Wire ...................................................................................................................... 170
- G$ _* b/ U6 W1 b2 Q" \, P/ Q10.4.1 Modification of Waveshape by Corona..................................................................................................... 1719 [/ o! G3 R% {9 W
10.5 Surge Protection........................................................................................................................................................ 173
6 N# p# Z2 c/ p$ X& l% ?11 HIGH VOLTAGE DIRECT CURRENT TRANSMISSION..................................................................................... 184
: w% K5 I! K9 O" i, }( e% A11.0 Historical Background............................................................................................................................................. 1846 q7 e% F: S9 z! N% U% w
11.1 Comparison of a.c and d.c transmission................................................................................................................ 185
0 P4 l8 o8 q5 w! @ v% B3 U9 `# @11.2 Convertor arrangements and operation................................................................................................................ 190& |2 ^7 `6 ?5 }4 n0 o; H. Z
11.3 Control Characteristics ............................................................................................................................................ 1996 p/ v0 H% r) e: i0 K
11.4 Classification of d.c. links........................................................................................................................................ 2033 d9 D7 n& D3 `4 a
INDEX......................................................................................................................................................................................... 205 |
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