Electric Power Transmission System With Frequency Multiplexing
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Solution Overview
Problem
Current electric power transmission systems face challenges in efficiently transmitting power over long distances with minimal loss, particularly in local small-scale networks, where existing technologies struggle to synchronize modulation and demodulation frequencies effectively.
Innovation Solution
The system employs a modulator and demodulator with synchronized modulation and demodulation frequencies to transmit power through a transmission line, using a controller to manage the process and ensure efficient energy transfer, allowing for flexible frequency settings and multiplexing of power from multiple generators to multiple loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple modulators transmit power at different modulation frequencies through a common transmission line, then power transmission efficiency and flexibility are improved, but frequency synchronization and signal separation become more difficult
Solution Approach 1:
The transmission system segments the power transmission into multiple frequency channels, with each modulator-demodulator pair operating at a distinct frequency. This allows simultaneous power transmission from multiple sources to multiple loads without interference, resolving the contradiction by organizing complexity into manageable frequency segments
Solution Approach 2:
The system changes the frequency parameter of each transmission channel to enable multiplexing. By assigning different modulation frequencies to different modulators and corresponding demodulation frequencies to demodulators, the system achieves efficient power transmission while managing frequency synchronization through parameter differentiation
2Adaptability or versatility
If modulation and demodulation frequencies are kept different for multiple channels, then concurrent power transmission is enabled, but frequency matching between modulators and demodulators becomes more challenging
Solution Approach 1:
The controller implements feedback mechanisms to monitor and adjust the modulation and demodulation frequencies, ensuring precise frequency matching between corresponding modulator-demodulator pairs while maintaining the ability to operate multiple channels concurrently at different frequencies
Solution Approach 2:
The controller is designed with universal functionality to manage multiple frequency channels simultaneously, coordinating the modulation and demodulation processes across different frequencies while maintaining precise frequency matching through centralized control
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables efficient, flexible, and synchronized power transmission with reduced energy loss, allowing for concurrent transmission and separation of power across different frequencies, simplifying the transmission line infrastructure and improving overall power efficiency.
Implementation Method 1
a first modulator that modulates a first electric power at a first modulation frequency to generate a first modulated electric power; a second modulator that modulates a second electric power at a second modulation frequency to generate a second modulated electric power
Implementation Method 2
a first demodulator that demodulates the transmission power at a first demodulation frequency to generate a third electric power, the first demodulation frequency corresponding to the first modulation frequency
Implementation Method 3
a transmission line through which a transmission power is transmitted, the transmission power being obtained by combining a plurality of modulated electric powers including the first modulated electric power and the second modulated electric power
Data Source
AI summary
A system includes: a first modulator that modulates a first electric power at a first modulation frequency; a second modulator that modulates a second electric power at a second modulation frequency; a transmission line through which a transmission power obtained by combining a plurality of modulated electric powers is transmitted; a first demodulator that demodulates the transmission power at a first demodulation frequency to generate a third electric power; and a second demodulator that demodulates the transmission power at a second demodulation frequency to generate a fourth electric power. The first modulation frequency and the second modulation frequency are different from each other.