Customization: | Available |
---|---|
Usage: | Flying Angle Tower, Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower |
Conductor Circuit: | Multi Circuit |
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SN | Type | Double circuit Self-Supporting lattice Steel Tension Tower with single earth wire |
1 | Nominal Voltage | 230kV |
2 | Number of circuits | Double |
3 | Conductor arrangement | Three Phase horizontal twin conductor |
4 | Temperature range | -15oC to 45oC |
5 | Cross arm Height | 18m |
6 | Aerial earth arrangement | Single earth peaks |
7 | Type of aerial earth | 1 x 7/2.64mm steel wire |
8 | Conductor type | ACSR "Zebra" conductor 61/3.31mm |
9 | Tower weight (kgs) | Approx.15312 |
10 | Anchorage | Stub anchorage complete with cleats |
11 | Deviation | 30 o -60o |
12 | Scope of supply | All tower members, bolts, nuts washers, anti-climb device, anti-bird guard, phase markers, number plates. |
13 | Maximum Wind | 45m/s |
14 | Wind span | 400m |
15 | Weight span | 620m |
16 | Drawings | Bolts, nuts, tower members, anti-climb device, name plate, dangerous plate, phase plate, number plate, and foundation |
17 | Bird Protection | Equipped with Anti - bird perch device on all phases |
18 | Anti -theft protection | Equipped with anti-theft bolts and anti-theft nuts from ground to anti0climb device |
19 | Design standard | ASCE Manual No -72, IS 802 (part I & part II)-1997, IS 5613 (part I & part II), transmission line manual (publication no -268 ) or BS EN 1993-3 |
20 | Type of Soil (Normal / Black cotton) | Blackish & dark grey silty CLAY with traces of fine sand. |
Remark: above technical data only references for our client, we can design every type for our overseas clients. |
Grade | Thickness or diameter(mm) | Anti-push, bending and press strength(N/mm2) | Anti-shear strength (N/mm2) |
Q235 Steel |
≤16 | 215 | 125 |
>16~40 | 205 | 120 | |
>40~60 | 200 | 115 | |
>60~100 | 190 | 110 | |
Q345 Steel |
≤16 | 310 | 180 |
>16~35 | 295 | 170 | |
>35~50 | 265 | 155 | |
>50~100 | 250 | 145 | |
Q420 Steel | ≤16 | 380 | 220 |
>16~35 | 360 | 210 | |
>35~50 | 340 | 195 | |
>50~100 | 325 | 185 | |
Q460 Steel | ≤16 | 415 | 240 |
>16~35 | 395 | 230 | |
>35~50 | 380 | 220 | |
>50~100 | 360 | 210 |
Item | Grade | Anti-push strength (N/mm2) | Anti-shear strength (N/mm2) |
Fastener for towers |
4.8 | 200 | 170 |
5.8 | 240 | 210 | |
6.8 | 300 | 240 | |
8.8 | 400 | 300 | |
Anchor bolts |
Q235 | 160 | / |
35 steel | 190 | / | |
45 steel | 215 | / |
Item | Temperature (ºC) | Wind speed (m/s) | Ice thickness (mm) |
Max. temperature | 40 | 0 | 0 |
Mini. temperature | -20 | 0 | 0 |
Ice thickness | -5 | 10 | 10 |
Basic wind speed | -5 | 27 | 0 |
Installation condition | -10 | 10 | 0 |
Annual temperature | 15 | 0 | 0 |
Lightning overvoltage | 15 | 10 | 0 |
Operation overvoltage | 15 | 16 | 0 |