Parallel Damping Elements for Oscillating Energy Transmission
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Solution Overview
Problem
Existing damping arrangements for electrical energy transmission devices are ineffective in managing oscillations across a broad energy range, either underdamping or overdamping depending on the design, and fail to provide adequate support and damping simultaneously.
Innovation Solution
A damping arrangement using two types of damping elements with different damping rates, arranged in parallel, to absorb and dissipate kinetic energy effectively across varying oscillation amplitudes and frequencies, allowing for both supporting and damping functions while maintaining a linear damping profile.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If damping elements with a single rated damping rate are used, then the mounting is simple and cost-effective, but the oscillation damping is ineffective across a broad energy range
Solution Approach 1:
The damping element is segmented into two distinct components: a first damping element with a first rated damping rate and a second damping element with a second rated damping rate. Each damping element targets different oscillation energy ranges, with the first damping element handling lower energy oscillations and the second damping element handling higher energy oscillations. This segmentation allows the system to effectively dampen oscillations across a broad energy spectrum while maintaining relatively simple implementation.
2Reliability
If damping elements are designed for strong damping, then high-energy oscillations are effectively damped, but low-energy oscillations are insufficiently damped or the mounting becomes excessively rigid
Solution Approach 1:
Each damping element is assigned a specific local function within the overall damping system. The first damping element is optimized for low-energy oscillations with a lower rated damping rate, while the second damping element is optimized for high-energy oscillations with a higher rated damping rate. This local quality differentiation ensures that each component operates in its optimal range, preventing the excessive rigidity that would result from using only strong damping elements throughout the system.
3Reliability
If damping elements with different rated damping rates are used in parallel, then oscillations across a broader energy range are damped effectively, but the device complexity increases
Solution Approach 1:
The first damping element and the second damping element are merged into a single supporting frame assembly, where both elements work simultaneously in parallel. The supporting frame integrates both damping elements with different rated damping rates, allowing them to cooperate and provide comprehensive damping across a broad energy range. This merging approach achieves enhanced performance while keeping the overall structure unified and manageable.
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 solution enables the damping arrangement to manage oscillations across a broader energy range, providing effective damping during both low and high-energy movements by utilizing different damping rates for the first and second damping elements, ensuring stabilization and support of the electrical energy transmission device.
Implementation Method 1
Forces occurring at the surge arrestor can be converted into heat in the damping elements
Implementation Method 2
The damping elements are used firstly for mounting the surge arrestor such that it is capable of oscillating and secondly for damping an oscillation
Data Source
AI summary
A damping configuration for an oscillatably mounted, electrical energy transmission device includes a supporting frame which is connected to stationary abutments through a plurality of damping elements. A group of first and second damping elements which have damping rates dimensioned so as to differ from one another and which act in parallel, connect the supporting frame to the abutments. Favorable damping of both weaker and stronger movements, for example caused by an earthquake, is ensured due to a combination of damping elements having differently dimensioned damping rates.