Resilient Bushing Cover for Live-Line Installation
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Solution Overview
Problem
Conventional bushing covers for protecting bushings and their connections are difficult and dangerous to install on live line work without disconnecting electrical power, disrupting service and posing risks.
Innovation Solution
A bushing cover with a resiliently deformable body and deformation member that adjusts the distance between edges, allowing for easy installation without power disconnection, featuring a slit between top and bottom aperture elements and securement mechanisms for secure engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional protective covers are installed on live line work, then the bushing is protected from damage and electrical shock risks, but the installation becomes dangerous and requires power disconnection which interrupts service
Solution Approach 1:
The bushing cover is divided into multiple segments that can be assembled around the bushing in sections. This segmentation allows workers to install the cover piece by piece without needing to disconnect power, as each segment can be positioned and secured independently while maintaining safety distances from live components.
Solution Approach 2:
The bushing cover segments are pre-assembled or pre-positioned before being installed on the live bushing. This preliminary preparation allows the cover to be ready for installation without requiring power disconnection, as the assembly work can be done beforehand in a safe environment, and only the final positioning requires being near the live equipment.
2Reliability
If conventional protective covers are installed on live line work, then the bushing is protected, but electrical service to consumers is interrupted
Solution Approach 1:
The segmented design enables installation without full power disconnection. Workers can install individual segments or use insulated tools to position segments while the bushing remains energized, thus maintaining electrical service continuity while still providing protection.
Solution Approach 2:
Insulated poles or insulated tools serve as intermediaries between the workers and the live bushing during installation. These insulated tools allow workers to safely handle and position the cover segments without direct contact with live components, enabling installation while maintaining power service.
3Reliability
If conventional protective covers are installed, then the bushing is protected, but the installation process becomes complicated and time-consuming
Solution Approach 1:
The segmented structure simplifies installation by breaking down a complex single-piece cover into manageable sections that can be easily handled, positioned, and secured. Each segment can be independently installed without requiring complex lifting or alignment procedures, reducing overall installation complexity.
Solution Approach 2:
The bushing cover segments are designed to nest together or fit over each other in a sequential manner. This nesting design allows for straightforward assembly where each segment simply needs to be positioned over the previous one, significantly reducing installation complexity and time compared to installing a single large cover.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables safe and efficient installation of bushing covers around bushings and connections without interrupting electrical service, enhancing safety and reducing installation complexity.
Implementation Method 1
the body resiliently deformable to adjust an amount of distance between the pair of edges
Data Source
AI summary
Bushing covers adapted to surround a bushing to protect the bushing and bushing connections from damage, which can be installed at distance using an insulated pole.