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MEGATRO 220KV 2D2 SJC4 double circuit tension transmission tower
This photo refers to our 220KV 2D2 SJC4 double circuit tension 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 |
-40 |
0 |
0 |
Ice thickness |
-5 |
10 |
10 |
Basic wind speed |
-5 |
29 |
0 |
Installation condition |
-15 |
10 |
0 |
Annual temperature |
5 |
0 |
0 |
Lightning overvoltage |
15 |
10 |
0 |
Operation overvoltage |
5 |
15 |
0 |
Hot-line work |
15 |
10 |
0 |
2 tower design data
|
Tower type |
Nominal Height scope (mm) |
Nominal Height (mm)
|
Horizontal span (m) |
Vertical Span (m)
|
Angle º |
Insulator Type
|
Horizontal Span at angel condition |
2D2 SJC4 |
18～27 |
24 |
450 |
650 |
60～90 |
/ |
/
|
Conductor type: 2×LGL -300/40 |
OPGW: JLB-150 |
||||||
Tower estimated weight and foundation force
|
Tower Type |
Tower weight scope (kg) |
Foundation force scope (KN) |
|||||
Tmax |
Tx |
Ty |
Nmax |
Nx |
NY |
||
2D2 SJC4 |
18761～23217 |
1679～1732 |
300～325 |
246～257 |
1942～2021 |
334～361 |
280～287 |
MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in power transmission, transformation, distribution, and telecommunications systems. Our MEGATRO provide and design this type 220KV 2D2 SJC4 double circuit tension transmission tower mainly for our Chinese and overseas client. Since 2004, MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. MEGATRO has been manufacturing lattice transmission tower & tapered steel poles for lighting, traffic control, communication and utility applications. MEGATRO pioneered the development of transmission tower, telecom tower, substation, and other steel structure and was also at the forefront in the design of Transmission tower.
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