Encoder-Decoder Power Distribution Anti-Theft
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Solution Overview
Problem
Current power distribution systems are vulnerable to theft, as individuals can intercept electricity on distribution lines without being detected, especially before the meter, making it difficult to prevent or detect unauthorized consumption using standard metering techniques.
Innovation Solution
The implementation of an encoder-decoder system that encodes electrical power at the transmission end and decodes it at the receiving end, using time-varying patterns or complex algorithms, ensuring that only authorized recipients can utilize the power by recognizing the encoding scheme, which can be modified based on consumer-specific information or external signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If standard metering techniques are used to monitor power consumption, then power consumption can be measured, but power theft cannot be detected because thieves can intercept power before the meter
Solution Approach 1:
The patent introduces an encoder as an intermediary device between the power source and the consumer. The encoder modulates the power signal with a unique identification code, acting as a mediator that embeds authentication information into the power stream itself. This allows the system to not only measure power consumption but also verify the legitimacy of the power recipient through the embedded code, thereby detecting theft attempts.
Solution Approach 2:
The patent replaces the traditional mechanical/electrical metering system with an electronic encoding and decoding system. Instead of relying solely on physical meter placement to prevent theft, the system uses electronic modulation and demodulation of the power signal to embed authentication data. This substitution enables both precise measurement and reliable theft detection through digital signal processing.
2Loss of energy
If power is distributed through traditional transmission lines, then power can be transmitted efficiently, but the system becomes vulnerable to unauthorized interception
Solution Approach 1:
The patent merges the power transmission function with the authentication function by encoding the power signal. The encoder combines the electrical power with a modulated identification signal, creating a composite signal that serves both purposes simultaneously. This merging allows efficient power transmission while embedding security features that prevent unauthorized interception without requiring separate communication channels.
Solution Approach 2:
The patent changes the parameters of the power signal by modulating it with encoding patterns that vary in frequency, amplitude, or phase. These parameter changes embed authentication information into the power stream itself, transforming the plain power signal into an authenticated signal that can be verified by the decoder, thereby securing the transmission against theft.
3Reliability
If an encoder-decoder system is implemented to prevent power theft, then theft detection capability is improved, but device complexity increases
Solution Approach 1:
The encoder employs periodic modulation of the power signal with encoding patterns that repeat at specific intervals. This periodic action creates a recognizable signature that the decoder can easily identify and verify. The regular timing patterns simplify the decoding process compared to aperiodic or random encoding schemes, reducing the computational and hardware complexity while maintaining secure theft detection.
Data Source
AI summary
An anti-theft system and method for encoding power for distribution to a load (e.g., a house) and a decoding of the encoded power at the load for consumption. A meter with an integrated decoder may be installed proximate a house (or another load). In some embodiments, the combination meter/decoder system may be configured to replace a traditional meter on a standard service panel, to minimize any impact or changes to the home or other building. In other embodiments, an add-on decoder system may be configured for installation between a standard meter and a service panel (optionally, plug and play). Alternatively, an add-on decoder system may be installed with the meter positioned (electrically) between the add-on decoder system and the service panel of the house (or other type of load or consumer).