Highly flexible earthing solutions for refurbishments and modernisations in substations
With FlexGround HV, LUKA offers a flexible alternative to rigid earthing conductors – ideal for retrofitting and modernisation projects in substations and high-voltage installations.
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Customised earthing components for demanding retrofit projects
Reliably modernised substations with LUKA products
During refurbishments, expansions or modernisations of existing substations and high-voltage installations, rigid earthing conductors often reach their limits. Limited installation space, altered connection points and complex retrofits require earthing solutions that can be flexibly integrated into existing infrastructure.
With FlexGround HV, LUKA offers a custom-made earthing solution based on highly flexible, tinned copper round strands. The system has been specially developed for demanding applications in high-voltage installations and provides a safe, durable and easy-to-install alternative to rigid earthing connections.
Challenge
Flexible earthing in existing installations
In existing substations, earthing connections are often made using rigid copper conductors. During refurbishments or the replacement of equipment, this often results in significant modification work, as existing conductors can only be modified to a limited extent.
Furthermore, rigid connections transfer mechanical forces to equipment terminals – for example, on power transformers, isolating switches or surge arresters. Flexible solutions that combine safe current conduction with simple installation are particularly required in confined spaces or where connection geometries have changed.
Our solution
FlexGround HV – bespoke earthing solutions
FlexGround HV has been specially developed for use in substations and high-voltage installations where rigid earthing connections need to be replaced or adapted to new installation scenarios.
The highly flexible copper round strands consist of fine, tinned copper wires, thereby offering high flexibility combined with reliable current-carrying capacity. The tinned construction also ensures high corrosion protection, making the system particularly suitable for long-lasting outdoor applications.
Typical applications:
- Earthing of power transformers
- Earthing of isolating switches
- Earthing of surge arresters
- High-voltage switchgear
- Retrofit and modernisation projects in existing substations
The benefits at a glance:
- Highly flexible design for easy integration into existing systems
- Customised assembly to suit the specific installation situation
- Precisely fitting connection solutions, e.g. with double-hole cable lugs
- Rated for short-circuit currents up to 20 kA / 1 s
- High corrosion protection thanks to tinned copper construction
- Mechanical strain relief for sensitive equipment connections
- Reduced installation and assembly effort during retrofits
Contribution to plant safety
Reliable earthing for critical infrastructure
Reliable earthing is an essential component of operational safety in high-voltage installations. FlexGround HV reliably diverts fault and short-circuit currents whilst ensuring flexible and mechanically gentle integration into existing systems.
The result is reduced installation times, increased system availability and a durable earthing solution for demanding applications in the energy supply sector.
Outlook
Efficiency through specialization
As the expansion and modernisation of the energy infrastructure continues, the demand for flexible and reliable component solutions is growing. In existing facilities in particular, there is a need for customised, easy-to-install solutions that combine technical safety with cost-effective implementation.
With FlexGround HV, LUKA offers a specialised earthing solution designed precisely for these requirements – developed for demanding retrofit and modernisation projects in substations and high-voltage installations.
Are you planning to refurbish or modernise a high-voltage installation?
Get in touch now – we can help you design the right FlexGround HV earthing solution for your needs.
