Circuit Breaker Panel with External Trip Control Logic
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Solution Overview
Problem
Implementing different fault detection technologies for various circuit breakers in a panel is a complex task, and existing systems lack dynamic control over tripping options and integration with communication and multimedia functionalities.
Innovation Solution
A circuit breaker panel system with trip control logic external to the breakers, enabling selection of multiple tripping options and incorporating fault detection logic within each breaker, along with communication and multimedia capabilities through a system controller board and measurement and control board, which facilitates user interaction and connectivity with utilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If trip control logic is integrated within each circuit breaker, then device complexity is reduced, but adaptability and versatility are limited
Solution Approach 1:
The trip control logic is extracted from individual circuit breakers and placed in an external control panel. This allows the circuit breakers to remain simple protective devices while the external controller provides multiple tripping options including overload, short circuit, arc-fault, and ground-fault protection. The external controller receives signals from various sensors and selectively trips appropriate breakers based on fault conditions.
Solution Approach 2:
The external trip control logic serves multiple functions: it monitors various fault conditions (overload, short circuit, arc-fault, ground-fault), provides selective tripping control for different breakers, and enables flexible configuration of protection parameters. This single external controller replaces what would otherwise require multiple specialized circuits within each breaker.
2Measurement precision
If fault detection logic is distributed within each circuit breaker, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The fault detection system is segmented into distributed sensors within each circuit breaker and a centralized control logic in the external panel. Each breaker contains simple sensing elements that detect local fault conditions and send signals to the external controller, which then determines the appropriate tripping action. This segmentation allows precise local detection with centralized intelligent decision-making.
3Adaptability or versatility
If multiple tripping options are implemented for each circuit breaker, then adaptability is improved, but device complexity increases
Solution Approach 1:
The external trip control logic acts as an intermediary between the circuit breakers and the various fault detection mechanisms. It receives input from multiple sensors and provides coordinated control signals to multiple breakers, enabling complex protection schemes without requiring each breaker to contain complex control circuitry. The intermediary consolidates the complexity in a centralized location.
Data Source
AI summary
In at least some embodiments, a system includes a plurality of circuit breakers and trip control logic external to and coupled to the circuit breakers. The trip control logic enables a plurality of different tripping options to be selected for each of the circuit breakers.