MEAGTRO 800KV 8A1-Z3 Suspension Tower
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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