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MEGATRO 110KV 1D4 SJ1 DC angle tension transmission tower
This photo refers to our 110KV 1D4 SJ1 DC angle 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 | -30 | 0 | 0 |
Ice thickness | -5 | 10 | 10 |
Basic wind speed | -5 | 27 | 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 |
1D4-SJ1 |
15～24 | 24 | 450 | 700 | 0-20 |
/ |
/ |
Conductor type: 1×LGL-300/40 | OPGW: JLB-100 | ||||||
3 Tower estimated weight and foundation force
Tower Type | Tower weight scope (kg) | Foundation force scope (KN) | |||||
Tmax | Tx | Ty | Nmax | Nx | NY | ||
1D4-SJ1 | 8534～10697 | 611～632 | 54～56
| 64～65
| 744～771 | 69～74 | 70～71 |
MEGATRO performs in-house design activities specializing in electrical overhead transmission &telecom tower steel works, which include wind and earthquake loading, static analysis, stress analysis by finite element methods and fatigue. Our Engineering Department is boasting of highly qualified engineering who are conversant with international codes and standards. The work is carried out with extensive use of CAE/CAD via a large of computer network. The computer hardware & drafting software are liked to the CNC workshop equipment for downloading of information thereby eliminating error and saving valuable production time.
Besides, MEGATRO is one of the few manufactures who assemble a face of 1110KV 1D4 SJ1 DC angle tension transmission tower. This attention to quality may not be the cheapest process but it does insure every tower meets our high standards of quality. And it helps to reduce on-site construction cost due to mismatched assemblies. After fabrication all 110KV 1D4 SJ1 DC angle tension transmission towers are delivered to the galvanizing facility to be Hot DIP Galvanized. Towers are processed through the facility by Caustic Cleaning, Pickling, and then Fluxing. These strict procedures insure years of maintenance free towers. All finished surfaces shall be level and free of tears, burrs, clots and impurities.
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