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MEAGTRO 800KV 8A1-Z3 suspension tower
This photo refers to our 800KV 8A1-Z3 suspension tower, it is widely used in our Chinese market. Some of technical features of this
tower as follow:
1 climate condition
Item | Temperature (℃) | Wind speed (m/s) | Ice thickness (mm) |
Max. temperature | +40 | 0 | 0 |
Mini. temperature | -15 | 0 | 0 |
Ice thickness | -5 | 10 | 10 |
Basic wind speed | -5 | 27 | 0 |
Installation condition | -5/-10 | 10 | 0 |
Annual temperature | 15 | 0 | 0 |
Lightning overvoltage | 15 | 10 | 0 |
Operation overvoltage | 15 | 16 | 0 |
2 technical data of conductor and OPGW
Item | Conductor | OPGW | |
JL/G3A-900/40 | JLB20A-150 | ||
Material | Aluminum | 72×3.99 | - |
Steel/Al with steel | 7×2.66 | 19×3.15 | |
Aluminum | 900.26 | 37.02 | |
steel | 38.9 | 111.05 | |
Total | 939.16 | 148.07 | |
Overall diameter | 39.9 | 15.75 | |
Unit quality (kg/km) | 2818.1 | 989.4 | |
Modulus of elasticity (MPa) | 60800 | 147200 | |
linear expansion coefficient (1/℃) | 0.0000215 | 0.000013 | |
Broken force (N) | 203390 | 178570 | |
3 tower design data
Tower type | Nominal Height (mm)
| Horizontal span (m) | Vertical Span (m)
| Angle º | Insulator Type
| Horizontal Span at angel condition | Tower weight kg |
8A1-Z3 | 57 | 580 | 750 | 0-2 |
/ |
/ | 37760 |
4 tension force of conductor and OPGW
Power voltage
|
± 800
| Conductor type | 6×JL/G3A-900/40
| Max. tension Force |
463.729
| Un-balance force |
10 |
Opgw type
|
JLB20A-150 | Max. tension Force | 59.523
| Un-balance force
|
20 |
5 Application data
Application data | Horizontal span | Vertical span | Representative span
| Angle ° | Nominal Height | KV |
value | 580m | 750 | 400 | 0~2 | 57m | 0.7 |
Site condition
| Normal condition | Accident |
Installation condition | Ice condition | |||||
Max Wind speed | Ice
| Mini temperature | Non broken
| broken
| |||||
Climate condition (t/v/b) | -5/27/0 | -5/10/10 | -15/0/0 | -5/0/10 | -5/10/0 | -5/10/0 | -5/10/10 | ||
Horizontal Loading
| conductor | 92298 | 19886 | 0 | 0 | 0 | 10118 | 19886 | |
Insulator and power fitting | 4636 | 700 | 0 | 0 | 0 | 530 | 700 | ||
OPGW | 7780 | 2800 | 0 | 0 | 0 | 740 | 2800 | ||
Vertical Loadign
| conductor | 149236 | 205288 | 136789 | 186624 | 186624 | 124362 | 171060 | |
Insulator and power fitting | 14354 | 15788 | 14354 | 15788 | 15788 | 14354 | 15788 | ||
OPGW | 9960 | 21630 | 9590 | 19100 | 19100 | 8500 | 16470 | ||
Tension Force
| conductor
|
One side |
-
|
/ |
/ |
/ |
/ |
406820 |
/ |
Other side |
-
|
/ |
/ |
/ |
/ |
406820 |
/ | ||
Tension force differences | 0 | 0 | 0 | 0 | 92750 | / | 46370 | ||
OPGW |
One side |
/ |
/
|
/ |
/ |
/ |
55440 |
/ | |
Other side |
/ |
/
|
/ |
/ |
/ |
55440 |
/ | ||
Tension force differences | 0 | 0 | 0 | 0 | 59520 | / | 11900 | ||
6 loading data
7 tower foundation size
Nominal Height (m)
| Foundation distance (mm) | Foundation anchor bolts | |||
Front foundation Distance |
Lateral foundation distance |
Size and quantity |
Anchor distance |
Material | |
36 | 7730 | 7730 |
4×M56 |
330
|
Chinese 35 steel |
39 | 8330 | 8330 | |||
42 | 8930 | 8930 | |||
45 | 9530 | 9530 | |||
48 | 10130 | 10130 | |||
51 | 10730 | 10730 | |||
54 | 11330 | 11330 | |||
57 | 11930 | 11930 | |||
60 | 12520 | 12520 | 4×M60 | 340 | |
63 | 13120 | 13120 | |||
66 | 13720 | 13720 | |||
69 | 14320 | 14320 | |||
72 | 14920 | 14920 | |||
75 | 1552 | 1552 | |||
8 Foundation force
Nominal height (m) | TX
| TY
| T
| NX
| NY
| N
|
36 | 125 | 106 | 975 | 158 | 135 | 1275 |
39 | 130 | 111 | 1001 | 165 | 142 | 1321 |
42 | 131 | 113 | 1028 | 166 | 144 | 1350 |
45 | 136 | 117 | 1047 | 173 | 150 | 1391 |
48 | 137 | 119 | 1072 | 174 | 152 | 1418 |
51 | 141 | 122 | 1087 | 181 | 159 | 1456 |
54 | 142 | 124 | 1111 | 182 | 161 | 1482 |
57 | 142 | 125 | 1134 | 182 | 162 | 1505 |
60 | 149 | 130 | 1141 | 193 | 171 | 1553 |
63 | 150 | 132 | 1164 | 193 | 172 | 1578 |
66 | 150 | 133 | 1185 | 194 | 174 | 1599 |
69 | 156 | 137 | 1188 | 205 | 183 | 1651 |
72 | 157 | 138 | 1210 | 206 | 184 | 1974 |
75 | 158 | 140 | 1231 | 206 | 186 | 1695 |
Steel material | Anti-push, bending and press strength (N/mm2) | Anti-shear strength (N/mm2) | |
Grade | Thickness or diameter (mm) | ||
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 | |
10 Here is the design strength of our Chinese tower bolts
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 | / |
Chinese 35 steel | 190 | / | |
Chinese 45 steel | 215 | / |
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