Multifilar Toroid Inductor for High-Energy Capacitive Transform
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Solution Overview
Problem
Current energy transformation systems for high-energy, high-voltage capacitors face inefficiencies due to back EMF, thermal loading, and other detrimental effects, particularly in genset applications, where existing solutions require complex components and inefficient conversions.
Innovation Solution
The use of a bifilar or multifilar-wound ferrite toroid inductor with intelligent monitoring and switching schemes to minimize back EMF and thermal loading, coupled with a supervisory control circuit to efficiently transform high-energy capacitive storage into useful voltages, utilizing a service voltage capacitor bank that operates only under load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional energy transformation systems are used for high-energy capacitors, then voltage conversion can be achieved, but energy losses increase due to back EMF and thermal loading
Solution Approach 1:
The patent applies this principle by using the back EMF effect not as a harmful factor to be eliminated but as a beneficial mechanism. The system intentionally allows back EMF to occur during capacitor discharge and uses it to generate useful voltage output, converting what was previously a loss into a productive energy transformation mechanism.
Solution Approach 2:
The system dynamically changes operating parameters including voltage levels, current flow directions, and timing sequences to optimize energy transformation. By adjusting these parameters in real-time based on capacitor charge state and load requirements, the system minimizes thermal loading and maximizes conversion efficiency across varying operating conditions.
2Adaptability or versatility
If complex components are used to transform high-voltage capacitor energy, then voltage conversion is achieved, but device complexity increases
Solution Approach 1:
The patent implements a universal energy transformation system that can handle multiple capacitor voltage levels and various load requirements using the same core circuit topology. The system achieves versatility through programmable control that adapts to different operating conditions without requiring hardware changes, thereby reducing overall device complexity while maintaining broad adaptability.
Solution Approach 2:
The system replaces complex mechanical switching mechanisms with electronic control and solid-state components. By using electronic timing and control logic instead of mechanical relays or switches, the system achieves the same voltage transformation functions with fewer moving parts, reduced complexity, and improved reliability.
3Speed
If high-current switching is performed in inductors, then energy transformation speed increases, but thermal loading and temperature rise increase
Solution Approach 1:
The system employs periodic switching sequences that allow inductor currents to be reset and redistributed in controlled cycles. By implementing periodic on-off switching patterns with appropriate duty cycles, the system maintains high transformation speed while providing thermal management through controlled rest periods that reduce average power dissipation and temperature rise.
Solution Approach 2:
The control system performs preliminary actions by pre-charging capacitors and pre-positioning energy before high-current switching events. This preliminary energy preparation allows the system to achieve rapid energy transformation when needed while avoiding excessive current spikes that would cause thermal loading, thereby managing temperature rise through proactive energy management.
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 significantly reduces energy losses, maintains high efficiency across a wide voltage range, and extends the saturation curve of magnetic materials, enabling efficient energy transformation with minimal temperature rise and reduced component complexity.
Implementation Method 1
The inductive device for transforming high-current input energy to a useful voltage level
Implementation Method 2
extends the saturation curve of magnetic materials
Implementation Method 3
ferrite toroid inductor
Data Source
AI summary
A system comprising a high voltage (HV) bank section using energy storage devices arranged into one or more banks, an inductive device coupling the HV bank to a service voltage (SV) bank section and load through a charging circuit charging the SV bank from a more fully charged bank until the charging bank is depleted, and a switch switching, from the depleted bank to the other bank to charge the SV bank. The charging circuit then charging the depleted bank by a power supply as the other HV bank charges the SV bank. A supervisory controller controls the switch to repeat discharging and charging between the two banks for a defined period. The energy storage devices may be supercapacitors capable of storing energy on the order of 1 to 10 MegaJoules, and the inductive device may be a high-inductance, toroidal multifilar inductor.