BJT Shunt Regulator Module for Constant Load Voltage
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Solution Overview
Problem
Designing systems to transfer power over long distances, especially in challenging terrains like underwater or mountainous areas, requires consideration of cost, efficiency, size, and accessibility, while maintaining the ability to control voltage on the load by shunting current away from it.
Innovation Solution
An electrical system utilizing bipolar junction transistors and Darlington pairs, along with diodes, to shunt current away from the load, maintaining a constant voltage by adjusting the resistance and current shunted in response to load demands, with redundancy provided by multiple modules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If power is transferred over long distances through challenging terrain (underwater, underground, mountainous), then power delivery capability is improved, but accessibility for maintenance and repair deteriorates
Solution Approach 1:
The power conversion system is divided into modular components (rectifier module, inverter module, control module) that can be independently accessed and maintained. Each module can be serviced separately even when the overall system is deployed in hard-to-reach locations, improving ease of repair while maintaining long-distance power delivery capability.
2Manufacturing precision
If voltage is controlled by shunting current away from the load, then voltage regulation is improved, but current loss increases
Solution Approach 1:
The control module continuously monitors the voltage across the load and the current through the shunt path, using feedback signals to dynamically adjust the shunting action. This ensures precise voltage regulation while minimizing unnecessary current shunting, thereby reducing energy loss. The feedback mechanism allows the system to maintain optimal performance by only shunting the minimum required current to achieve the desired voltage level.
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
Effectively regulates voltage and shunts excess current, maintaining consistent power delivery across varying loads and terrains, ensuring efficient power transfer and ease of maintenance.
Implementation Method 1
An electrical system utilizing bipolar junction transistors and Darlington pairs, along with diodes, to shunt current away from the load, maintaining a constant voltage by adjusting the resistance and current shunted in response to load demands
Data Source
AI summary
The multiple embodiments of the present invention relate to an electronic component comprising a first bipolar junction transistor having a first base, a first collector and a first emitter, a second bipolar junction transistor having a second base receiving the current flow of the first emitter, a second collector electrically coupled to the first collector and a second emitter and a load interface for electrically coupling the electronic component in parallel to a load and shunting current away from the load.