Page 488 - 35_DS702_E_2014_Lightning_Protection_Guide

Stainless steel 147, 174 Touch voltage 119, 155–156, 158–159, 174, 179, 219, 232, 271,
Stainless steel / StSt (V4A) 83,96, 110, 112–116, 132, 137–141, 149, 395, 397, 399, 418, 453
158, 164–166, 171, 174, 271, 279, 345–346, 364, 376, 378, 419 Transformer stations 174, 320
Standing seam roof 78 Transients 256, 285, 319, 383, 409
Star configuration 200 Transmitting / receiving systems 355–361
Steel container 278–280 Transverse voltage 442
Steel fibre concrete 138–139 Tripod 84, 86, 165, 167, 447
Steel reinforcement of concrete foundations 148 TT system 202, 220, 227–229, 268, 272, 281, 286, 288, 302,
Steel with copper sheath 147 311, 314–316, 327–328, 332, 368–369, 372, 378, 382, 389,
398–400, 407, 448
Steepness 17, 20, 22–23, 150, 159, 246, 352 Two-conductor terminal 234–235
Step voltage 17, 19, 51, 119, 122, 140, 155–156, 160–164, 168,
271, 393–395, 417–420 Type 1 SPDs 202, 211–212, 218–219, 280, 286, 347, 356, 358–360,
365–367, 371, 377, 380, 405, 427, 430, 434, 447
Straight surface earth electrode 122 Type 2 SPDs 218, 286, 347, 350, 360, 367, 370–374, 381, 405, 407,
Strip foundation 126, 129–131, 135, 138 427, 430
Sub-distribution board 218, 225–226, 281, 356, 454 Type 3 SPDs 217, 221, 347, 407
Supplementary equipotential bonding 447 Type A earth electrode 127–128, 140
Surface earth electrode 119, 122–128, 141, 173 Type B earth electrode 128–129, 139–140, 152
Surge arrester 183, 207, 209–210, 214, 216, 218, 236, 249–250, Type designation of protection modules 245
255, 272, 280–283, 302, 306, 311, 313, 321–332, 339–340, Type of damage 32, 42–45
347, 350–351, 366–367, 371, 390, 397, 399, 405–407, 412,
414, 423–424, 443, 453 Type of loss 32, 40–41, 43–46, 48, 51, 286
Switching overvoltages 5, 217, 219, 221, 309, 320, 335, 455
U
T UMTS 355
Telecommunication connections 335–336 Upward flash 16
Telecommunication line 36, 38, 51, 183–184 V
Television signals 30 Vaporisation 76
Temperature classes 256–257 Visual inspection 56–58
Temperature measuring equipment 251–252 Voltage protection level U p 37, 39, 218, 242, 246, 260, 347, 358,
Temperature rise 22, 72, 96, 109, 441 367
Temperature rise ∆T of different conductor materials 22, 96
Temperature-related change in length 112 W
Temporary overvoltage (TOV) 219 White tank 132–134, 137–138
Terminal lug 110, 126, 129, 138, 161, 279 Wind load 91
Test joints 11, 29, 57, 99 Wind turbines 88, 343–353
Test report 57 Work contracts 11
Test voltage wave 246
Thatched roof 80 Y
Tilt resistance 91, 93 Y circuit 367, 380
TN system 178, 202, 220–221, 223–229, 272, 286, 302, 327–328, Yachts 451–455
349, 389 Yellow/Line 206, 213–214, 250, 321

www.dehn-international.com LIGHTNING PROTECTION GUIDE 487