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Engineered for High Capacity Extra High Voltage Power Lines
Product Specifications
Item Number
Model
Rated Load (kN)
Weight (kg)
Width of Applicable Sheave (mm)
Features
17231
SZ4A-13
130
96
100
Balanced pulley type
17232
SZ4B-13
130
65
100
Conductors are independent of each other
17233
SZ4B-18
180
95
110
Conductors are independent of each other
17234
SZ4B-25
250
110
110
Conductors are independent of each other
17238
SZ4C-25
250
88
110
Conductors are independent of each other
17239
SZ4B-32
320
150
125
Conductors are independent of each other
Product Overview
Head Boards for Four Bundle Conductors, also known as quadruple or square configuration spacer dampers, are sophisticated components engineered for ultra-high-voltage (UHV) and high-capacity transmission lines. These systems feature four sub-conductors arranged in a square or diamond configuration to dramatically increase power transfer capability, reduce electrical losses, and improve corridor efficiency.
Key Features and Benefits
Maintains Precise Square Geometry: Enforces exact spatial relationships between four sub-conductors to optimize electromagnetic field distribution and minimize corona and radio interference losses.
Prevents Conductor Clashing and Wear: Provides robust mechanical framework to maintain safe, uniform air gaps between all four conductors, eliminating contact risk under severe dynamic loading conditions.
Superior Vibration Damping: Incorporates multiple damping elements to absorb vibrational energy from aeolian vibration and subspan oscillation, preventing metal fatigue and wear.
Optimized Electrical Performance: Ensures balanced impedance and even current distribution among sub-conductors to prevent localized overheating and maximize power transfer efficiency.
Enhanced System Stability: Mechanically couples four sub-conductors into a single rigid system, reducing individual conductor motion and improving resilience to extreme weather events.
Advanced Durable Construction: Manufactured from premium high-strength aluminum alloys with UV-stable polymers and elastomers for exceptional corrosion resistance and long-term reliability.
Efficient Installation and Maintenance: Designed for live-line techniques with hinged arms or modular segments for safe assembly around conductors.
State-of-the-Art UHV Transmission: Critical enabling technology for moving massive amounts of power over long distances in advanced transmission infrastructure.
Maximizes Infrastructure ROI: Protects capital investment by preventing costly repairs, unplanned outages, and premature asset replacement.
Industry Standard Technology: Represents the definitive engineering standard for all four-bundle conductor UHV transmission lines worldwide.
Summary
Head Boards for Four Bundle Conductors are precision-engineered system cores vital to the world's most powerful overhead transmission lines. They actively manage extreme electrical and mechanical environments to maintain perfect conductor geometry and suppress destructive vibrations, ensuring that immense power flows safely, efficiently, and reliably to form the backbone of modern high-capacity electrical grids.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
1000000-5000000
Employee Number:
110~150
Ecer Certification：
Verified Supplier
Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ... Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ...
