Cable Termination Retainer Mechanism for Axial Displacement
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Solution Overview
Problem
Existing cable termination systems for electrical power transmission lines lack secure and reliable methods for isolating and connecting conductor segments, particularly in high-voltage applications, where mechanical and electrical isolation is crucial.
Innovation Solution
A conductor termination system featuring a termination assembly with a moveable keeper member and a wedge connector, which securely clamps conductor segments to resist axial displacement and includes a switch mechanism for electrical connection and disconnection, using a retainer mechanism and wedge connectors to form a robust in-line isolation assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a wedge connector is used to secure the conductor segment, then the mechanical strength and resistance to axial displacement is improved, but the device complexity increases due to the need for additional clamping components
Solution Approach 1:
The retainer mechanism integrates multiple functions into a single device: the keeper member provides both lateral retention and axial clamping, while the receiver portion houses both the retention and clamping functions. This merging reduces the number of separate components needed while maintaining the required mechanical strength.
Solution Approach 2:
The termination assembly is divided into distinct functional segments: the receiver portion for lateral reception and retention, the keeper member for axial clamping, and the wedge connector for additional securing. This segmentation allows each component to be optimized for its specific function while working together as an integrated system.
2Reliability
If an integral retainer mechanism with moveable keeper member is used, then the reliability of conductor retention is improved, but the ease of operation decreases due to the complex positioning and clamping steps required
Solution Approach 1:
The keeper member is designed to be moveable between a retracted position (for easy conductor insertion) and an engaged position (for secure retention). This dynamic capability allows the device to transition between ease of operation and high reliability states as needed during the termination process.
Solution Approach 2:
The receiver portion is pre-configured with the keeper member in a retracted position, allowing the conductor to be easily inserted laterally before the keeper member is moved to engage and clamp the conductor. This preliminary positioning simplifies the installation sequence while ensuring reliable retention once engaged.
3Adaptability or versatility
If the keeper member is made moveable between open and clamping positions, then the adaptability of the termination system is improved, but the device complexity increases due to the additional positioning mechanisms
Solution Approach 1:
The retainer mechanism combines the retention function and the clamping function into a single integrated assembly housed within the receiver portion. The keeper member serves dual purposes: retaining the conductor laterally and clamping it axially, reducing the need for separate mechanisms.
Solution Approach 2:
The termination assembly is designed to handle both the retention and clamping operations through a single moveable keeper member mechanism. This multi-functional design provides adaptability for different installation scenarios while minimizing the number of separate components required.
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
The system provides secure mechanical and electrical isolation of conductor segments, enhancing the reliability and durability of connections in high-voltage applications by resisting axial movement and allowing for easy electrical switching.
Implementation Method 1
a wedge connector including a sleeve member defining a sleeve cavity, and a wedge member configured to be forcibly inserted into the sleeve cavity to capture the conductor segment and the end member therebetween
Data Source
AI summary
A conductor termination system for use with an electrical power transmission conductor includes a termination assembly and a connector. The termination assembly includes an end member and an integral retainer mechanism. The end member includes a receiver portion configured to receive a segment of the conductor. The retainer mechanism includes a moveable keeper member on the end member. The retainer mechanism is operable to selectively clamp a segment of the conductor in the receiver portion to the end member and to apply a retention load to the conductor segment. The connector is adapted to be applied to the end member and the conductor to securely clamp the conductor segment to the end member.