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FEATURE


POWER


Power conversion systems must often perform effectively and reliably under constant load


The new prioriTies driving


power sysTem design Shravan Govindaraj, senior product marketing manager at


XP Power, explains how the rise of the ‘always-on economy’ is creating new power supply design expectations


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I platforms, healthcare & hospitals, industrial technology, telecoms systems, and advanced manufacturing


environments all rely on power architectures that can support continuous operation. As a result, power supplies are no longer just


components selected to meet a voltage or wattage requirement. Today, they are key to the wider reliability strategy, helping determine whether critical systems can operate safely, efficiently and predictably over the long term. In many mission-critical applications,


power conversion systems must now perform effectively and reliably under constant load. This therefore places greater importance on component selection, preventive maintenance, efficiency, costs, protection features, and long- term performance stability. Poorly specified power systems can increase


the risk of heat stress, premature component ageing, reduced efficiency and unexpected failure. In sectors where systems are expected to run around the clock, these risks can quickly translate into downtime, maintenance pressure, and higher operating costs. Designing for continuous operation is


fundamentally different from designing for intermittent use. Engineers need to consider how a power supply performs over thousands of operating hours, how it manages heat, how efficiently it runs under sustained load,


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and how predictable its performance remains throughout its service life. In always-on applications, small inefficiencies


can scale quickly. A power supply that is only marginally less efficient may create additional heat, consume more energy, and place greater strain on surrounding systems.


dEsign prioritiEs As organisations become more dependent on continuous digital services, reliability is becoming a central design requirement, particularly in industries such as healthcare, data centres, telecommunications, logistics, and industrial automation, where disruption can have consequences beyond immediate productivity loss. In mission-critical environments, the focus


has moved away from whether a power supply can deliver the required output. Engineers also need to ask what happens if a system is subjected to sustained stress, how it responds to faults, whether redundancy is built in, and how easily failures can be isolated or managed. In many always-on environments, resilience must be engineered into the system from the start rather than added later as a safeguard. To help meet requirements, there are now


digital power supplies on the market containing real-time diagnostics for fast, efficient problem solving. A fully digital architecture can reduce


3 DESIGN SOLUTIONS SEPTEMBER 2026


troubleshooting time after a system shutdown event by recording system status during shutdown and in the minutes immediately prior to it.


EfficiEncy and thErmal managEmEnt The growth of automated industrial systems, smart manufacturing, robotics, process control, and 24/7 monitoring environments is placing greater pressure on power architectures to operate efficiently under constant load. For example, as industrial environments become more connected and automated, power supplies are often required to support equipment that operates continuously, sometimes in compact enclosures, high density control cabinets, or challenging ambient conditions. This makes efficient power conversion and effective thermal design increasingly important to long-term performance. While the rise of AI infrastructure and high


density computing has brought wider attention to power and cooling challenges, the same principle applies across industrial systems: wasted energy becomes heat, and heat must be managed to protect reliability. This makes thermal management a central


reliability concern rather than a secondary design consideration. Systems operating continuously can experience sustained thermal stress, which may affect component lifespan,


www.designsolutionsmag.co.uk


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