Magnetic Amplifier Voltage Current Regulation
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Solution Overview
Problem
Existing methods for transmitting voltage and current between a source and a load lack effective regulation to prevent current overload and minimize voltage differences, which can endanger the source and load.
Innovation Solution
A method and system utilizing a magnetic amplifier with power and control windings, where a portion of the rectified source voltage and load voltage are applied to the control windings to control current and voltage differences, preventing overload and minimizing voltage differences between the source and load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional voltage and current transmission methods are used, then the system is simple, but current overload and voltage differences cannot be effectively regulated, endangering the source and load
Solution Approach 1:
A magnetic amplifier is introduced as an intermediary device between the source and load. The magnetic amplifier includes a power winding connected in series with the load and control windings that receive portions of rectified source and load voltages. This intermediary device regulates current flow and minimizes voltage differences through magnetic coupling, preventing current overload and protecting both source and load without requiring direct complex control circuits at each endpoint.
2Reliability
If no regulation is applied, then the system is simple, but current may exceed dangerous levels and voltage differences cannot be minimized
Solution Approach 1:
The magnetic amplifier implements feedback control by applying portions of both the rectified source voltage and rectified load voltage to its control windings. This dual-feedback mechanism allows the magnetic amplifier to sense both source and load conditions, automatically adjusting its magnetic coupling to limit current to safe levels and minimize voltage differences between source and load, providing reliable regulation without complex external control circuits.
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 system effectively regulates current and voltage, preventing overload and minimizing voltage differences, ensuring safe operation of the source and load, and can be applied to various electrical systems including plasma generation, motor control, and fault protection.
Implementation Method 1
a magnetic amplifier connectable with the source and the load for voltage and current regulation
Implementation Method 2
controlling current and voltage difference between the source and the load by applying a portion of a rectified source voltage to said at least one control winding of said magnetic amplifier
Data Source
AI summary
For transmitting voltage and current between a source and a load, a magnetic amplifier with a power winding connectable with the source and the load and with at least one control winding is provided, and current and voltage difference between the source and the load are controlled by applying a portion of a rectified source voltage to the at least one control winding of the magnetic amplifier, and applying a portion of a rectified load voltage to the at least one control winding of the magnetic amplifier to prevent the current from exceeding a level which can endanger the source and/or the load and to minimize the voltage difference between the source and the load.