TiDL Merging Unit Data Sharing for Power System Scalability
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Solution Overview
Problem
Point-to-point communication systems in industrial settings, such as electric power systems, face limitations in scalability and redundancy due to their inability to natively support routing of information to other devices, leading to increased device counts and costs when additional connections are needed.
Innovation Solution
Implementing a Time-Domain Link (TiDL) merging unit that enables data sharing among Intelligent Electronic Devices (IEDs) through point-to-point protocols, allowing for the expansion of communication networks and reducing device counts by routing data through integrators, which provide backup protection and redundancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If point-to-point communication is used in industrial systems, then communication simplicity and direct connectivity are maintained, but scalability and redundancy are limited due to inability to route information to other devices
Solution Approach 1:
The patent implements an integrator device that acts as an intermediary in the point-to-point communication system. The integrator receives data streams from merging units and can route this data to multiple intelligent electronic devices (IEDs). This intermediary enables scalability and redundancy by allowing one merging unit's data to serve multiple IEDs without requiring direct point-to-point connections between each pair, thus reducing the overall device count while maintaining communication simplicity.
2Reliability
If additional connections are made to enhance redundancy in point-to-point systems, then system reliability improves, but device count and costs increase
Solution Approach 1:
The integrator device performs multiple functions: it receives data streams from merging units, processes these streams, and distributes them to multiple IEDs. This multi-functionality allows the system to achieve enhanced redundancy and reliability without proportionally increasing device count. The integrator serves as a universal node that can handle multiple data streams and distribute them to multiple destinations, reducing the need for additional dedicated connection devices.
3Quantity of substance
If data sharing is enabled among multiple IEDs through a single merging unit, then device count is reduced, but communication complexity increases
Solution Approach 1:
The integrator serves as a communication intermediary that manages data distribution between merging units and multiple IEDs. It handles the complexity of routing data streams to multiple destinations by providing a centralized management point. This approach reduces device count while containing communication complexity within the integrator, which is designed to handle multiple data streams and distribution logic in a unified manner.
Data Source
AI summary
The present disclosure pertains to systems and methods to share data in a point-to-point system. In one embodiment, a system to share point-to-point information may be used in an electric power system, and the system may include a communication interface to communicate using a point-to-point protocol using at least a first port and a second port. A point-to-point information sharing subsystem may receive an indication that point-to-point information received on the first port is to be shared on the second port and may configure the second port to share point-to-point information received on the first port. In some embodiments, a delay associated with the communication link may be added to the shared point-to-point information prior to transmission.