Dead End Structure in Substation

The dead end structure in substation is a customized steel structure used within substation support systems. Its dimensions and structural arrangement are determined by the voltage level, conductor layout, equipment position, and site foundation conditions.

 

There is no single standard size for this product. Important purchasing information includes structure height, column spacing, beam length, span, and foundation spacing. These dimensions should be checked against the project drawings, equipment arrangement, and civil foundation data before manufacturing starts.

 

The structure can be produced in tubular steel or angle steel form. This allows the design to adapt to different voltage levels, available installation space, and connection requirements.

Unlike general supporting frames, a terminal structure must be coordinated with conductor tension and the loads transferred to the columns, beams, and foundation.

The design can consider conductor tension, equipment load, wind load, ice load, and seismic load. Since conductor arrangement and weather conditions vary between projects, steel grade and component dimensions are confirmed according to the actual load data.

Main materials can include Q235B, Q355B, Q420B, or materials specified by the project. Connections can use grade 6.8 or grade 8.8 high-strength bolts.

The components are prefabricated and CNC processed in the factory. Site erection is mainly completed by bolted assembly, allowing members to be installed according to component numbers. Full hot-dip galvanizing provides outdoor corrosion protection, while enhanced protection can be specified for salt-spray environments.

Shandong Hongtaiyuan Electric Power Technology Co., Ltd. can review customer drawings or prototypes to confirm geometric dimensions, steel grades, connection points, and foundation data.

The company holds qualification certificates related to 500kV transmission line towers and 220kV polygonal steel poles. It also has product inspection certificates, angle steel tower inspection reports, steel pole inspection reports, and qualified physical and chemical inspection personnel.

These capabilities support material control, component processing, and production communication for tubular or angle steel terminal frames.

• The dead end structure in substation supports OEM, ODM, and drawing-based customization. The minimum order quantity is 1 ton.

 

• Before production, the supplier communicates technical details and estimated delivery time with the buyer. During manufacturing, progress can be updated through photos or videos. Quality control combines process self-inspection, semi-finished product sampling, and packaging inspection.

 

• Customer-appointed third-party inspection is also accepted.

• Repeat orders may be scheduled faster when drawings and technical data have already been confirmed.

• Export packaging receives additional reinforcement after standard packing. A two-year warranty is provided, and designated personnel handle after-sales communication and delivery-related issues.

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