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High voltage DC transmission towers （HVDC TOWER）
In the power transmission line project, high voltage refer to 35 to 220KV, but in china it refer to 10KV, 35KV, 66KV, 110KV, 220KV. High-voltage direct current (HVDC) transmission lines are either monopolar or bipolar systems. The towers are usually steel lattices or trusses or monopole, hence the name of High voltage DC transmission towers.
For single-pole HVDC transmission with ground return, towers with only one conductor can be used. In many cases, however, the towers are designed for later conversion to a two-pole system. In these cases, often conductors on both sides of the tower are installed for mechanical reasons. Until the second pole is needed, it is either used as electrode line or joined in parallel with the pole in use.
Electrode line towers are used in some HVDC schemes to carry the power line from the converter station to the grounding electrode. They are similar to structures used for lines with voltages of 10–30kV, but normally carry only one or two conductors.
MEGATRO is one of the few manufactures who assemble a face of every HVDC 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 HVDC TOWER 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.
MEGATRO's HVDC TOWER systems can accommodate a variety of cross-arm. MEGATRO also offers a wide variety of accessories and mounts.
Availability size: Based on the customer’s requirements.
Material: Chinese material or as per clients requirement
Package: both parties discuss before delivery
Terms of Payment: L/C, T/T
Minimum Order Quantity: 10tons
Port of Loading: Qingdao Port
Lead Time: one month or based on the customer’s needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of tower components shall conform to the Chinese Standard or other standard which clients can accept.
