POWER networks.
At the system level, technologies such as neutral earthing resistors (NERs), high- voltage filter resistors and load banks play an important role in supporting grid reliability. NERs help control fault currents and improve safety during earth faults. Filter resistors assist in managing harmonics and maintaining power quality in networks with high inverter penetration. Load banks are widely used for testing, commissioning and validating the performance of generation and grid infrastructure under controlled conditions. As renewable penetration increases, the behaviour of fault currents and system response changes significantly. Traditional protection and stability assumptions are being challenged, requiring equipment that can help ensure predictable system behaviour under both normal and fault conditions. Resistive technologies are a key part of this wider toolbox, supporting operators in maintaining resilience and operational control. Specialist engineering partners such as Cressall, with experience in designing high- power resistive systems for grid-connected applications, support the development of tailored solutions that reflect the evolving requirements of modern electricity networks.
Towards a more flexible, efficient power system
The fact that wind and solar have overtaken fossil fuels in Europe’s electricity mix is a cause for celebration, but it also makes one thing clear: deployment must be matched with integration. Without this, a growing proportion of renewable output may continue to be curtailed or underutilised, reducing the return on investment for developers and slowing progress towards climate goals. Expanding grid capacity, deploying energy storage at scale and enhancing system
flexibility are all essential. Engineering solutions that help balance variable generation, constrain fault currents and support real-time network control will be equally important in unlocking the full value of Europe’s renewable energy transition.
For renewable operators, policymakers and system planners alike, the message is straightforward: boosting generation is only half the battle. The other half is building a resilient, adaptable grid that can harness every available watt of clean power and deliver it where it is needed most.
Choose Reliability from the Start!
Many DIN rail power supplies look the same on paper, but the right manufacturer makes all the difference to reliability, performance, and long-term availability.
DIN RAIL POWER is a specialist distributor of industrial DIN rail power supplies.
As part of the Relec Electronics Ltd, we supply proven, reliable power solutions built for demanding industrial applications.
www.dinrailpower.co.uk sales@relec.co.uk
SCAN ME SEPTEMBER 2026 | ELECTRONICS FOR ENGINEERS 21
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