HVDC cables

HVDC Cables - an Essential Element of Power Transmission Systems

HVDC cables are a key component in modern long-distance electricity transmission systems.   At Onninen we offer a wide range of high quality HVDC cables. Our products meet the highest industry standards. They provide reliable high voltage direct current transmission. We provide solutions for a variety of energy applications.

In our daily practice, we see a growing interest in HVDC cables. This is due to their numerous advantages. These cables enable efficient energy transmission over hundreds of kilometers. They minimize energy losses during transport. They are ideal for interconnections and offshore wind farms.

Types of HVDC cables available from Onninen

Our HVDC cable range includes a variety of cable types. Cables are available in a variety of cross-sections and voltage levels. The range includes:

• Submarine cables for installation on the seabed
• Overhead cables for transmission lines
• Underground cables for installation in tunnels
• Special cables for industrial applications

We offer high-voltage cables from leading industry manufacturers.   Among the available brands are our own brands: Onnline and FXA. They provide an optimal price-quality ratio. We recommend them for most standard applications. For more demanding projects, we offer renowned premium brands.

Many customers ask us about the criteria for selecting HVDC cables. The key parameters are:

• Maximum operating voltage
• Rated current
• Cross section of the working core
• Type of insulation
• Outer shell
• Environmental working conditions

Our experienced specialists provide advice in selecting optimal solutions. We analyze the individual needs of each project. We select cables that meet technical and economic requirements.

Accessories and mounting elements for HVDC cables

A comprehensive HVDC system installation requires appropriate accessories.   Our offer includes the necessary assembly elements. There are terminals for high-voltage cables of various types. We offer holders for HVDC cables - both overhead and underground. For ground installations, we recommend concrete holders and insulating pads.

Our experience shows that proper grounding of the system is crucial. That is why we have high-quality grounding straps in our assortment. They provide effective protection against electric shock. They guarantee the safety of operating HVDC installations.

Recently, we used a complete HVDC cable system for a large energy operator project. It included main cables, joints and cable heads. We used specialist cable mounting brackets. The whole thing was complemented by grounding and surge protection elements. The project was a complete success.

Technical support and advice on HVDC cables

At Onninen we provide comprehensive support at every stage of HVDC project implementation.   Our engineers provide expert advice at the planning stage. We help select optimal cable solutions. We support customers during installation and system start-up. We also provide after-sales service and technical support.

We often come across questions about the specifics of HVDC cables. We explain the differences between AC and DC cables. We advise on insulation and shielding of cables. We discuss issues related to reducing transmission losses. We share knowledge about modern cable production technologies.

When expanding existing energy systems, the most common question is compatibility. Our specialists analyze the parameters of the current infrastructure. They select HVDC cables that ensure seamless integration. We take into account development plans and future energy needs.

Onninen recommends the use of comprehensive HVDC cable solutions. They provide the highest reliability and efficiency of energy transmission. They guarantee long-term, failure-free operation. They contribute to increased stability of power networks.

Please feel free to contact our HVDC cable experts.   We will help you choose the best solutions for your project. We will prepare an individual offer that takes into account the specifics of the investment. We will provide professional support at every stage of implementation.