Inductive Power Transfer Control for Load-Change Voltage Peaks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Induction energy transmission systems face an increased risk of damage to electrical components due to voltage peaks during load changes, limiting operational safety.
Innovation Solution
Implementing a control unit that introduces a safety period and adapts energy provision to modified operating parameters, reducing energy supply during this period to minimize component damage and ensure safe transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inductive energy transmission is provided continuously during operating mode changes, then energy supply continuity is maintained, but voltage peaks occur causing increased risk of damage to electrical components
Solution Approach 1:
The control unit detects a change in the operating mode before the actual mode transition occurs and introduces a safety period in advance. During this safety period, the inductive energy transmission is reduced or interrupted, preventing voltage peaks from occurring during the transition. This preliminary action resolves the contradiction by proactively eliminating the harmful voltage peaks while maintaining overall system reliability.
2Reliability
If a safety period is introduced to reduce voltage peaks, then component damage risk is minimized, but energy supply continuity is interrupted
Solution Approach 1:
The safety period is introduced in advance of the actual operating mode change, allowing the system to prepare for the transition before it occurs. This timing strategy minimizes the impact on energy supply continuity by ensuring the interruption only occurs when necessary, rather than extending beyond the transition period.
Solution Approach 2:
The safety period is designed to be as short as possible, only lasting for the minimum time required to prevent voltage peaks during the operating mode transition. By rushing through the safety period quickly and returning to normal energy transmission as soon as the transition is complete, the system minimizes the interruption duration while still providing adequate protection.
3Reliability
If energy transmission is reduced during safety period, then voltage peaks are prevented, but transmission efficiency decreases during mode changes
Solution Approach 1:
The energy transmission reduction occurs only during the brief safety period immediately preceding and during the operating mode transition. By limiting the reduction to this specific time window and maintaining full transmission efficiency during all other periods, the overall energy loss is minimized while still achieving the reliability benefit of preventing voltage peaks.
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
Enhances operational safety by minimizing component damage and enabling reliable, durable operation during load changes.
Implementation Method 1
a supply unit (12), which has at least one supply induction element (14) for the inductive provision of energy
Implementation Method 2
a placement unit (18) that has at least one receiving induction element (22) for receiving the inductively provided energy
Data Source
AI summary
An induction energy transmission system includes a supply unit including a supply induction element designed to inductively provide energy, a placement unit including a receiving induction element designed to receive the inductively provided energy, said placement unit including an operating parameter set, and a control unit designed to control the supply unit and in the event of a signaled modification of an operating parameter of the operating parameter set of the placement unit to introduce a safety period and to adapt the inductively provided energy to the modified operating parameter within the safety period.