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Help CenterMEGATRO 1000KV 10GB2-SZ1 Double Circuit Transmission Tower
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MEGATRO 1000KV 10GB2-SZ1 double circuit Transmission tower
This photo refers to our 1000KV 10GB2-SZ1 double circuit Transmission 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 |
30 |
0 |
Installation condition |
-5 |
10 |
0 |
Annual temperature |
15 |
10 |
0 |
Lightning overvoltage |
15 |
15 |
0 |
Operation overvoltage |
15 |
18 |
0 |
2 Technical specification of conductor and OPGW
|
Item |
Conductor |
OPGW |
|
JL/G1A-630/45 |
JLB20A-240 |
||
|
construction |
AL |
45×3.76 |
59.69 |
Steel(Al wrap steel ) |
45×4.22 |
179.07 |
|
|
Cross-section (mm2) |
Al |
630.00 |
238.76 |
Steel |
43.39 |
20.01 |
|
Total |
674.00 |
1595.50 |
|
Diameter |
33.80 |
147200 |
|
Length mass (kg/km) |
2079.20 |
13.0×10-6 |
|
Elastic module (MPa) |
63000 |
147200 |
|
coefficient of linear expansion (1/℃) |
20.9×10-6 |
13.0×10-6 |
|
Rated broken (N) |
150450 |
260010 |
|
3 tower design data
|
Tower type |
Nominal Height (mm) |
Horizontal span (m) |
Vertical Span (m) |
Angle º |
Nominal height tower weight Kg |
10GB2-SZ1 |
54 |
400 |
500 |
0 |
111569 |
4 type and force of conductor and OPGW
|
Power voltage |
1000KV |
Conductor type |
8×JL/ GIA-630/45 |
Max. operation Tension force (KN/phase) |
457.368 |
Un-balance Stress value(%) |
10 |
|
OPGW Type |
JLB20A-240 |
Max. operation Tension force (KN/pc) |
68.424 |
Un-balance Stress value(%) |
20
|
5 Operation data
|
Item
|
Horizontal span (m) |
Vertical Span (m) |
Representative Span (m) |
Angle º |
Height (m) |
KV |
data |
400 |
500 |
400 |
0 |
54 |
0.85 |
6 loading data
|
Site condition |
Normal operation condition |
Accident condition |
Installation condition |
Uneven icing |
|||||
Basic wind speed |
Ice |
Mini. temperature |
Non- broken |
broken |
|||||
|
Climate condition (t/v/b) |
-5/30/0 |
-5/10/10 |
-40/0/0 |
-5/0/10 |
-5/0/10 |
-15/10/0 |
-5/10/10 |
||
Horizontal loading |
conductor |
92441 |
20081 |
- |
- |
- |
9638 |
20081- |
|
|
Insulator Power fitting |
8640 |
1440 |
- |
- |
- |
1440 |
1440- |
||
OPGW |
9051 |
2253 |
- |
- |
- |
861 |
2253- |
||
conductor |
81560 |
130160 |
81560 |
130160 |
130160 |
81560 |
130160- |
||
|
Vertical loading
|
Insulator Power fitting |
||||||||
OPGW |
7825 |
11985 |
7825 |
11985 |
11985 |
7825 |
119825- |
||
Stress force |
conductor |
One side |
- |
-- |
- |
91474 |
91474 |
- |
-- |
The other side |
- |
-- |
- |
91474 |
0 |
- |
-- |
||
Stress differences |
- |
-- |
-- |
0 |
91474 |
- |
45737 |
||
Stress force |
OPGW
OPGW |
One side |
- |
-- |
68424 |
68424 |
- |
-- |
|
The other side |
- |
-- |
68424 |
0 |
- |
-- |
|||
Stress differences |
- |
-- |
0 |
68424 |
- |
13685 |
|||
7 Foundation distance size
|
Nominal Height (m) |
Foundation distance (mm) |
Anchor bolt |
|||
|
Front distance |
Side distance |
Type and quantity |
Distance /radius (mm) |
Material |
|
45 |
15860 |
15860 |
12×M52
|
396 |
Chinese type 35 steel |
48 |
16532 |
16532 |
|||
51 |
17204 |
17204 |
410 |
||
54 |
17876 |
17876 |
|||
57 |
18548 |
18548 |
420.5 |
||
60 |
19220 |
19220 |
|||
8 Foundation force
|
Nominal Height (m) |
Tx |
Ty |
T |
Nx |
Ny |
N |
45 |
338 |
313 |
2655 |
436 |
409 |
3492 |
48 |
346 |
325 |
2719 |
449 |
426 |
3577 |
51 |
353 |
332 |
2765 |
459 |
436 |
3647 |
54 |
365 |
338 |
2803 |
457 |
442 |
3728 |
57 |
371 |
343 |
2846 |
475 |
450 |
3795 |
60 |
379 |
359 |
2894 |
494 |
475 |
3865 |
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