Interleaved Chopper Voltage Transformer With Adaptive Switching Frequency
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing DC/DC converters with magnetic coupling interleaved chopper circuits face challenges in optimizing switching losses due to fixed switching frequencies, which can lead to suboptimal performance across varying operation states.
Innovation Solution
A voltage transformer with a control unit that adjusts the switching frequency of the magnetic coupling interleaved chopper circuit based on operational state parameters, minimizing circuit losses and optimizing performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a fixed switching frequency is used in the magnetic coupling interleaved chopper circuit, then the circuit operation is simplified and stable, but the switching losses cannot be minimized across varying operation states
Solution Approach 1:
The patent applies dynamics by transitioning from a fixed switching frequency to a variable switching frequency that adapts to different operation states. The control unit dynamically adjusts the switching frequency based on detected operation conditions, allowing the system to optimize switching losses in real-time while maintaining operational simplicity through automated control.
Solution Approach 2:
The patent implements parameter changes by modifying the switching frequency parameter according to operation states. The control unit detects operation state parameters and adjusts the switching frequency accordingly, enabling the system to minimize switching losses under different loading and voltage conditions without requiring complex structural modifications.
2Reliability
If the switching frequency is adjusted dynamically based on operation state, then the switching losses are minimized and performance is improved, but the control system complexity increases
Solution Approach 1:
The patent applies feedback by implementing a control unit that detects operation state parameters and uses this information to adjust the switching frequency. The feedback mechanism enables the system to automatically optimize performance based on real-time conditions, improving reliability while keeping the control architecture manageable through systematic parameter adjustment.
Solution Approach 2:
The control unit performs self-service by autonomously detecting operation states and adjusting the switching frequency without external intervention. This self-regulating capability improves system reliability and performance optimization while avoiding the need for complex external control systems, as the controller manages its own optimization independently.
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 voltage transformer effectively improves the performance of magnetic coupling interleaved chopper circuits by dynamically adjusting switching frequencies, enhancing efficiency and reducing losses.
Implementation Method 1
a magnetic coupling interleaved chopper circuit
Data Source
AI summary
A voltage transformer includes a magnetic coupling interleaved chopper circuit and a control unit configured to control the magnetic coupling interleaved chopper circuit. The control unit includes a switching frequency setting unit configured to set a switching frequency of the magnetic coupling interleaved chopper circuit on the basis of a state quantity indicating an operation state of the magnetic coupling interleaved chopper circuit and is configured to generate a voltage-transformation gate signal of the switching frequency set by the switching frequency setting unit and to output the generated voltage-transformation gate signal to the magnetic coupling interleaved chopper circuit.