Wireless Radio Repeater for Power Grid Data Verification
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Solution Overview
Problem
Electric power delivery systems face challenges in reliable communication of electrical measurements due to obstacles and interference, leading to incomplete or inaccurate data transmission, which can result in undesirable control actions affecting the operation of the system.
Innovation Solution
The implementation of wireless radio repeaters strategically placed to provide line-of-sight communication and verify messages, re-transmitting electrical measurement data while filtering out incorrect or irrelevant information, thereby ensuring reliable and accurate data transmission to control systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless transmission of electrical measurements is used, then data can be transmitted without physical connections, but transmission reliability deteriorates due to obstacles and interference
Solution Approach 1:
The patent introduces a verification device as an intermediary component between the electrical measurement device and the control system. This verification device receives electrical measurements wirelessly, verifies their authenticity and relevance, and then forwards verified measurements to the control system. This mediator approach maintains wireless transmission benefits while improving reliability by filtering out erroneous or irrelevant data caused by obstacles and interference.
2Loss of information
If electrical measurements are transmitted to all devices, then all devices receive data, but incorrect or irrelevant information is received leading to undesirable control actions
Solution Approach 1:
The verification device applies local quality by performing location-based verification of electrical measurements. It determines whether each measurement is relevant to the specific geographic location and context of the receiving device. This selective verification ensures that each device receives only locally relevant measurements, preventing erroneous or irrelevant information from causing undesirable control actions while maintaining complete and accurate data transmission.
3Measurement precision
If verification of electrical measurements is implemented, then accuracy of control actions improves, but system complexity increases
Solution Approach 1:
The verification device operates autonomously using self-service principles. It independently verifies the authenticity and relevance of received electrical measurements using pre-stored verification data and location information, without requiring manual intervention or complex external verification systems. This self-verification capability improves measurement accuracy while minimizing system complexity by using straightforward comparison and filtering logic.
Data Source
AI summary
A wireless radio repeater includes an antenna configured to receive a message associated with an electric power delivery system. The wireless radio repeater also includes circuitry configured to receive electrical measurement data, identify a condition of the electric power delivery system based on the electrical measurement data, and cause the antenna to re-transmit the message received via the antenna in response to identifying the condition based on the electrical measurement data.


