Modular Group Meter Stack With Flexible Disconnect Switch
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Solution Overview
Problem
Current group meter stacks with disconnect switches are complex to build and difficult to modify, requiring improved design for easier construction and maintenance.
Innovation Solution
A power meter socket assembly with a primary meter stack section and an extension meter stack section, featuring flexible conductors and a disconnect switch with line and load terminals, allowing for easier electrical connections and modular design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional group meter stack with disconnect switch is used, then protection for power meters is provided, but the system becomes complex to build and difficult to modify
Solution Approach 1:
The meter stack is divided into modular sections with standardized connection points. Each section can be independently installed, removed, or modified without affecting the entire system. The disconnect switch is integrated as a separate modular component that can be easily replaced or repositioned.
Solution Approach 2:
The connection system uses universal connection points and standardized conductors that can accommodate different meter configurations and disconnect switch positions. The same connection infrastructure supports multiple functions including meter connections, disconnect switch integration, and future expansion options.
2Reliability
If protection devices are added to each power meter line, then safety is improved, but the construction process becomes more complex
Solution Approach 1:
Multiple protection functions are combined into a single integrated disconnect switch assembly. Rather than installing separate protection devices at each meter location, the system uses centralized disconnect switches with standardized connection points that provide protection for multiple lines simultaneously, simplifying the construction process.
Solution Approach 2:
The disconnect switch and connection system are pre-configured with standardized connection points and routing during manufacturing. This preliminary setup eliminates complex field wiring and configuration during installation, making the construction process simpler while maintaining comprehensive protection.
3Area of stationary object
If multiple meter sockets are arranged in series with conductors, then space is utilized efficiently, but modification and maintenance become difficult
Solution Approach 1:
Meter sockets are arranged in a nested or stacked configuration where each socket is accessible through standardized openings in the enclosure. The compact vertical arrangement maximizes space utilization while maintaining independent access to each meter and connection point for easy maintenance.
Solution Approach 2:
Individual meter sockets and disconnect switch sections can be easily extracted from the assembly for maintenance or replacement. The standardized connection system allows components to be removed and reinstalled without complex wiring changes, facilitating easy modification and repair while maintaining compact space utilization.
Data Source
AI summary
A power meter socket assembly includes a primary meter stack section with a first bus section including conductors oriented in a first plane and an extension meter stack section including a second bus section including conductors oriented in the first plane. The assembly includes a first connection section including flexible conductors. Each flexible conductor includes a first end electrically connected to a conductor of the first bus section and a second end electrically connected to a conductor of the second bus section. The assembly includes a power bus connection section and a disconnect switch. The switch includes line terminals electrically connected to the bus connection section and load terminals connected to the first bus section. The assembly includes a second connection section including flexible conductors oriented parallel to and below the first bus section to connect the line terminals of the switch to the bus connection section.