Inline Surge Protection Assembly for Extreme EMP Clamping
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Solution Overview
Problem
Existing electrical and electronic systems are vulnerable to extreme transient electromagnetic surges from sources like high-altitude nuclear EMP, intentional electromagnetic interference, and natural phenomena, leading to potential damage and disruption without adequate protection measures.
Innovation Solution
Implementing surge protection devices (SPDs) with hybrid designs that include transient voltage suppressors, metal oxide varistors, gas discharge tubes, and other components, along with continuous monitoring and status tracking, to provide instantaneous response and mitigate the effects of electromagnetic pulses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional surge protection devices are used, then basic protection is provided, but they cannot respond instantaneously to extreme transient electromagnetic surges
Solution Approach 1:
The system continuously monitors voltage and current parameters before extreme surges occur, maintaining readiness to activate protection mechanisms immediately when thresholds are exceeded, rather than waiting for the surge to fully develop
Solution Approach 2:
The protection system dynamically adjusts its response based on real-time detection of surge characteristics, switching between different protection modes and components to optimize both response speed and protection effectiveness for varying surge conditions
2Reliability
If hybrid surge protection assemblies with multiple components are implemented, then protection capability is enhanced, but device complexity increases
Solution Approach 1:
The surge protection system is divided into distinct functional modules including voltage suppression components, current diversion components, and control circuits, each handling specific aspects of surge protection to manage complexity through functional separation
Solution Approach 2:
Multiple protection mechanisms including voltage suppressors, current diverters, and control systems are integrated into a unified hybrid assembly that operates as a coordinated system, combining the advantages of different component types while managing overall complexity
3Reliability
If continuous monitoring and status tracking are implemented, then protection readiness is maintained, but system complexity and resource usage increase
Solution Approach 1:
The monitoring system operates periodically at predetermined intervals rather than continuously, checking voltage and current parameters at scheduled times to maintain protection readiness while minimizing energy consumption during normal operation
Solution Approach 2:
The system automatically monitors its own status and activates protection mechanisms without external intervention, maintaining protection readiness through self-diagnosis and self-activation capabilities that reduce the need for external control resources
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 the resilience and continuous protection of electrical and electronic systems by effectively absorbing and redirecting excessive energy from electromagnetic surges, ensuring minimal disruption and maintaining operational continuity.
Implementation Method 1
The surge protection devices (SPDs) are described as Types by Underwriters' Laboratories (UL) and as Categories by the Institute of Electrical and Electronics engineers (IEEE) depending on their intended installation allocation. The components used for SPDs have different parameters and functional characteristics to provide solutions to the broad range of pluralities of EMPs from natural and technology-based sources
Implementation Method 2
They comprise limiting, absorbing, switching, and shunting assemblies including transient voltage suppressors (TVSs), metal oxide varistors (MOVs), gas discharge tubes (GDTs), glass GDTs, avalanche diodes (ADs), avalanche transistors (ATs), spark gap protectors (SPG) and thyristor surge suppressors (TSS)
Implementation Method 3
They comprise limiting, absorbing, switching, and shunting assemblies including transient voltage suppressors (TVSs), metal oxide varistors (MOVs), gas discharge tubes (GDTs), glass GDTs, avalanche diodes (ADs), avalanche transistors (ATs)
Data Source
AI summary
Disclosed are methods and systems for suppressing extreme voltage surges due to transient electromagnetic energy disturbance such as a detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. Surge protection assemblies form a surge protection device (SPD) mounted directly on AC and DC power line conductors with embedded overcurrent protection. The inline mounted SPD eliminates connecting wire leads, propagation time delay response, and voltage drops due to wire inductance, providing accurate clamping level responses. The protecting assemblies are selected and coordinated to achieve a predefined response to react at protection threshold voltage levels and with current capacity to mitigate complex components of HEMP. The tertiary protection assembly disconnects an electrical load after a prolonged overvoltage is present associated with a Geomagnetic disturbance and reconnects the electrical load when an overvoltage condition is not present.