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Fusion power plants and emerging high intensity computing facilities pose similar challenges to electrical grid stability due to their large, rapid, and high frequency power transients. This paper presents a concept design for a grid protection system that mitigates the dynamic electrical load variations associated with fusion Heating and Current Drive (HCD) systems. A modular resistive load bank architecture is proposed, utilising back-to-back thyristor switching to rapidly absorb or redirect sudden power changes during events such as plasma disruptions, ramp up and ramp down phases, and power modulation cycles. The system is assessed against a comprehensive set of engineering criteria including footprint, reliability, transient response time, and harmonic impact, establishing its suitability for deployment in high demand environments. Comparative analysis of alternative switching and load technologies highlights the advantages of this approach in terms of simplicity, responsiveness, and grid compatibility. Furthermore, the solution demonstrates potential applicability to non-fusion sectors such as AI data centres, where similar power fluctuation profiles exist. The proposed system offers a scalable pathway toward resilient grid integration for next generation energy and digital infrastructure.