Permanent Magnet Induction Generator Flux Reversal
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Solution Overview
Problem
Current magnetic flux switching technologies in transformers and generators suffer from flux bleed-through and inefficiencies in reversing magnetic flux polarity, limiting the effective conversion of magnetic energy into electrical power.
Innovation Solution
An AC electricity generator design utilizing three magnetizable members and four reluctance switches, with a contiguous loop of magnetizable material and permanent magnets, operates the reluctance switches in a 2×2 sequence to reverse magnetic flux polarity, inducing a significant change in magnetic flux and allowing for self-sustaining electricity generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional magnetic flux switching technologies are used in transformers and generators, then the device structure is relatively simple, but flux bleed-through and inefficiencies occur during magnetic flux polarity reversal
Solution Approach 1:
The magnetic circuit is divided into multiple discrete reluctance switches arranged in a 2×2 configuration. Each switch independently controls a specific flux path, allowing precise management of magnetic flux distribution and minimizing unwanted flux bleed-through between paths.
Solution Approach 2:
The reluctance switches are dynamically controlled to change their magnetic reluctance states in sequence, enabling active management of flux polarity reversal. This dynamic control allows the system to optimize flux distribution during switching transitions, reducing energy losses.
2Productivity
If conventional magnetic flux switching is used, then the device complexity is lower, but the effectiveness of magnetic energy to electrical power conversion is limited
Solution Approach 1:
The four reluctance switches operate in a periodic 2×2 alternating sequence, repeatedly switching flux between different paths. This periodic action creates continuous magnetic flux reversal that efficiently induces alternating current in the coils, enhancing energy conversion effectiveness.
Solution Approach 2:
The system utilizes the generated electricity to feedback and control the reluctance switches, creating a self-sustaining cycle. This feedback mechanism ensures that the switching actions are optimized based on the actual energy generation, maximizing conversion efficiency.
3Power
If a single flux path with reluctance switches is used, then the device structure is simpler, but the total change of magnetic flux (dB/dt) is approximately one-third of the multi-path design
Solution Approach 1:
The patent employs an asymmetric multi-path flux configuration where four distinct flux paths are arranged in a 2×2 pattern around the permanent magnet. This asymmetric arrangement allows simultaneous flux reversal in multiple paths, multiplying the total dB/dt effect compared to a single symmetric path.
Solution Approach 2:
Multiple flux paths are merged into a unified magnetic circuit structure that shares common components (permanent magnet, coils) while maintaining independent switching control. This merging achieves high power output through combined flux reversal without proportionally increasing device complexity.
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 design achieves a three-fold increase in magnetic flux reversal, enabling a long-term, efficient conversion of magnetic flux energy into electrical power with reduced flux bleed-through and the potential for self-sustaining operation.
Implementation Method 1
The physics related to electromagnetic induction within an inductor and a transformer is described by Faraday's transformer equation
Implementation Method 2
A reluctance switch is a device that can significantly increase or decrease the reluctance (resistance to magnetic flux) of a magnetic path in a direct and rapid manner
Data Source
AI summary
Conversion of magnetic flux energy into electrical power with a permanent magnet induction generator (PMIG) comprised of permanent magnets, a magnetic circuit, reluctance switches (magnetic flux switches), and a switching sequence performed by an electrical controller that causes the flux from two opposing, magnetically aligned permanent magnets to be repeatedly alternated through a single flux path for the purpose of generating AC electricity. Energy efficient reluctance switches operation permits the output electrical energy to exceed the energy required to operate them thereby enabling continuous operation that produces uninterrupted electricity without the need for fuel or external energy input.