Directional Pressure Venting Radiator for Transformer Safety
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Solution Overview
Problem
Transformer failures result in sudden pressure increases leading to catastrophic ruptures, releasing hazardous gases and liquids that pose environmental risks due to the inability of existing systems to effectively manage excessive pressure.
Innovation Solution
A containment system that directionally vents gases and liquids under excessive pressure conditions through a radiator with a circumferential joint that fails at a weaker point, directing pressure relief downward to prevent rupture, and includes header pipes with flow restrictors that adjust flow rates to manage pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a transformer tank is designed with standard pressure containment, then structural strength is maintained, but catastrophic rupture occurs under excessive pressure conditions
Solution Approach 1:
The pressure relief function is segmented from the main tank structure by introducing a separate radiator component with its own circumferential joint. This allows the tank to maintain full structural strength while the radiator provides a dedicated, controlled pressure relief path that activates under excessive pressure conditions.
Solution Approach 2:
The radiator acts as an intermediary component between the tank interior and external environment. It provides a controlled interface for pressure relief, where the circumferential joint serves as a predetermined failure point that directs relief away from the main tank structure, preventing catastrophic rupture while maintaining tank integrity.
2Stress or pressure
If pressure relief is enabled without directional control, then pressure reduction is achieved, but hazardous materials are released into the surrounding environment
Solution Approach 1:
The circumferential joint is positioned asymmetrically at the bottom of the radiator, creating a predetermined failure point that directs pressure relief downward. This asymmetric design ensures that when the joint fails under excessive pressure, gases and liquids are vented away from the surrounding environment and equipment, converting a potentially harmful omnidirectional release into a controlled directional flow.
Solution Approach 2:
The design accepts that the circumferential joint will fail under excessive pressure, but converts this potential harm into a benefit by deliberately positioning the failure point to direct relief away from sensitive areas. The controlled failure of the joint becomes a protective mechanism that saves the main tank and surrounding equipment from catastrophic damage.
3Stress or pressure
If flow restrictors are added to manage pressure, then pressure control is improved, but device complexity increases
Solution Approach 1:
The flow restrictors are designed to provide automatic pressure control without external intervention. As pressure builds in the tank, the restrictors naturally limit flow through the radiator, creating a self-regulating system that maintains pressure within safe limits. The system serves itself by using the pressure differential to control flow, eliminating the need for complex external control mechanisms.
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 mitigates transformer rupture by creating additional volume and safely venting pressure, reducing the risk of environmental hazards and damage from excessive pressure events.
Implementation Method 1
The radiator is configured to directionally vent gases and liquids under excessive pressure
Implementation Method 2
header pipes with flow restrictors that adjust flow rates to manage pressure
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A system (10) comprises a tank (12), a radiator (14) connected to the tank (12), and a component (16) situated within the tank and susceptible to creating increasing pressure within system when under a fault condition. The radiator is configured to directionally vent pressure under excessive pressure conditions.