Power Boost Regulator for RV Alternators
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Solution Overview
Problem
Conventional power generation systems in recreational vehicles operate at a fixed load voltage, resulting in reduced power at low and high engine speeds, compromising between power needed for engine starting/idling and high-speed operations, and often leading to overheating issues and insufficient battery charging during high current draws.
Innovation Solution
A power boost regulator utilizing low loss field effect transistors (FETs) for switching transformations, allowing load-matched voltage operation across the entire RPM range, thereby increasing power output without altering the stator or flywheel, and prioritizing power distribution to critical loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed load voltage is used throughout the RPM range, then the charging system can operate simply, but power output is reduced at low and high engine speeds
Solution Approach 1:
The patent applies dynamics by transitioning from a fixed load voltage system to a variable load voltage system that adapts to different engine speeds. The controller dynamically adjusts the load voltage based on RPM feedback, allowing the charging system to optimize power output at each operating condition while maintaining manageable complexity through automated control.
Solution Approach 2:
The patent changes the operating parameter of load voltage from a fixed value to a variable parameter that changes with engine speed. By implementing load-matched voltage operation where the load voltage is continuously adjusted to match the optimal voltage for each RPM, the system maximizes power extraction across the entire operating range.
2Power
If the magneto is scaled up to meet increasing electrical power demands, then power output increases, but cost increases
Solution Approach 1:
Instead of scaling up the magneto physically, the patent changes the electrical operating parameters by implementing variable load voltage control. This allows existing magneto designs to deliver higher power outputs through optimized electrical loading rather than requiring larger, more expensive magneto components.
Solution Approach 2:
The patent enables dynamic optimization of power output from existing magneto designs by continuously adjusting the load voltage to match optimal operating conditions at each RPM, extracting maximum power from the existing hardware without requiring physical scaling.
3Power
If large currents are produced at fixed load voltage, then power requirements are met, but overheating occurs
Solution Approach 1:
The patent changes the voltage parameter dynamically to optimize the voltage-current relationship. By adjusting load voltage to match optimal values at each RPM, the system delivers required power with reduced current demands, thereby reducing I²R losses and heat generation in the electrical components.
4Device complexity
If fixed load voltage operation is used, then system operation is simple, but battery charging is insufficient during high current draws
Solution Approach 1:
The patent implements dynamic voltage adjustment to optimize battery charging conditions. By varying the load voltage to match optimal charging voltages at different engine speeds, the system ensures reliable battery charging across all operating conditions, from idle to high-speed operation.
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
The power boost regulator enhances power output across a wider range of engine speeds, improves engine starting reliability, and maintains proper battery charging by adjusting voltage and current to match electrical load demands, reducing overheating and increasing overall system efficiency.
Implementation Method 1
the regulator utilizes low loss field effect transistors (FETs) to implement switching transformations
Implementation Method 2
the power boost regulator induces a desired voltage/current combination at the stator for each engine speed to provide the demanded electrical load
Data Source
AI summary
A power generation system is provided including a power boost regulator operative to provide load matched voltage operation of an AC power source.