Supplement: Power
DC-UPS systems ensure greater reliability in critical infrastructures
By Ronald Block, regional sales & industry development manager at PULS
I
n this article, you will learn why DC-UPS systems are indispensable for ensuring a reliable and stable power supply in critical infrastructures, which components are needed for this, and which standards they
must meet.
In the past 100 years, electricity has always flowed in one direction – from the producer to the consumer. However, new technologies, innovative ways of energy procurement and generation, as well as comprehensive digitalisation, are fundamentally changing the market. The successful integration of innovative components is crucial to actively shaping climate change and ensuring sustainable success.
The infrastructures for electricity, gas, water, and heat extend over vast supply areas and decentralised stations. Their smooth operation is of fundamental importance. Disruptions must be detected and resolved immediately, as they can have significant impacts on all areas of life within a short period. For this reason, these critical areas have been grouped under the term Critical Infrastructures (KRITIS).
26 March 2025
KRITIS includes facilities and organisations whose failure or impairment can lead to significant supply shortages or disruptions to public safety. These infrastructures are essential for the functioning of our society and include sectors such as energy, information technology, telecommunications, transport, health, and water.
Requirements for power supply systems in critical infrastructures In this article, we examine the requirements for power supplies and DC UPS systems in critical infrastructures, as well as the relevant standards that play a role in this context. Uninterruptible power supply (UPS) is indispensable in critical infrastructures. Energy supply companies use DC UPS systems in combination with remote control technology to protect the control systems of their power plants and to ensure the integration of renewable energies through transfer stations and distribution networks such as local secondary substations. The focus is on monitoring and controlling spatially remote objects.
Components in Electronics
Specific requirements for power supplies and UPS systems in critical infrastructures concern reliability, robustness, and security: Avoidance of downtime:
UPS systems ensure an uninterrupted power supply during power outages and enable an orderly shutdown of systems during prolonged outages.
Protection against voltage fluctuations:
UPS systems protect sensitive equipment from voltage fluctuations and power surges that could cause damage or data loss. This is essential for IT infrastructure and communication systems.
Increase in operational safety: By providing a stable power supply, UPS
systems contribute to overall operational safety and minimise the risk of operational interruptions. Compliance with legal requirements: Many critical infrastructures are legally required to take measures to ensure a continuous power supply. UPS systems help meet these requirements and ensure compliance with relevant standards and regulations.
Relevant standards and guidelines for critical infrastructures The power supply in critical infrastructures is of paramount importance for the safety and well-being of society. By adhering to relevant standards and guidelines, operators can ensure
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