Composite-Insulated Substation Frame for Lower Weight and Width
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Solution Overview
Problem
Conventional substation frames are heavy, prone to rust and cracking, occupy large spaces, and pose difficulties in transportation and installation due to their metal composition and complex structures.
Innovation Solution
A substation frame design utilizing composite insulating materials for the supporting parts and metal materials for other components, featuring a beam assembly made of composite insulating material to reduce electrical safe distance and weight, with a lightweight and rust-resistant structure that eliminates the need for tension and suspension insulators, and includes features like arched beam assemblies and shielding cases for improved stability and discharge prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional metal structures are used for substation frames, then structural strength is ensured, but weight increases and rust resistance deteriorates
Solution Approach 1:
The patent applies composite materials by combining aluminum alloy (lightweight, rust-resistant) with insulation coating layers. The aluminum alloy provides structural strength while being significantly lighter than conventional steel, and the insulation coating adds protective functionality. This composite approach resolves the contradiction between needing strength and wanting reduced weight and rust resistance.
2Reliability
If conventional metal structures with tension insulators are used, then electrical insulation is provided, but device complexity and maintenance needs increase
Solution Approach 1:
The patent merges the structural frame with the insulation function by applying insulation coatings directly onto the aluminum alloy frame surface. This eliminates the need for separate tension insulators and suspension insulators, simplifying the overall structure while maintaining electrical insulation reliability. The frame serves dual purposes: mechanical support and electrical insulation.
Solution Approach 2:
The aluminum alloy frame with insulation coating serves multiple functions simultaneously: it provides structural support, electrical insulation, and corrosion protection. This multi-functionality reduces the number of separate components needed, thereby reducing device complexity and maintenance requirements while ensuring electrical insulation reliability.
3Stability of the object's composition
If conventional substation frame designs are used, then structural stability is maintained, but occupation area and transportation difficulty increase
Solution Approach 1:
The patent changes material parameters by using high-strength aluminum alloy with optimized cross-sectional dimensions. This allows the frame to maintain structural stability while using less material and occupying less space. The insulation coating thickness and aluminum alloy grade are optimized to achieve the required mechanical properties with reduced overall dimensions.
Data Source
AI summary
The present disclosure specifically discloses a substation frame, comprising: at least two supporting assemblies arranged at intervals along a first direction, at least one of the supporting assemblies comprising a first supporting part and a second supporting part that are connected to each other; and a beam assembly provided between two adjacent supporting assemblies. The first supporting part is located between the beam assembly and the second supporting part. The first supporting part is made of composite insulating material, and the second supporting part is made of metal material.