Our HVDC cable accessories are designed for high voltage direct current cable systems used in power transmission and grid interconnection projects. The product range can include terminations, straight joints, connectors, and related accessory solutions for extruded-insulation cable systems, helping support reliable electrical performance, installation integrity, and long-term operation in demanding land power applications.
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Our high voltage cable accessories are engineered for HVDC and HVAC transmission systems exceeding ±500 kV, offering a complete range of components including:
Terminations (indoor and outdoor)
Straight joints
Elbow joints
Plug-in cable connectors
These accessories are specifically designed to maintain industry leading power loss rates below 0.02% per kilometer, ensuring maximum energy transmission efficiency over long distances.
Constructed using a proprietary blend of corrosion resistant epoxy composites and advanced XLPE based insulation, they deliver exceptional performance in extreme environments — from sub zero polar regions to high humidity coastal areas and high altitude desert zones.
Whether deployed in:
Offshore wind farm interconnections
Transnational grid synchronization projects
Large scale industrial power distribution networks
These accessories ensure uninterrupted power flow with a mean time between failures (MTBF) exceeding 15,000 operational hours, significantly reducing maintenance costs and unplanned downtime.
Rigorously tested to withstand ±800 kV transient voltages and continuous operation at ±660 kV.
Multi layer insulation structures prevent partial discharge (PD) even under thermal cycling conditions.
Suitable for ±500 kV, ±600 kV, ±800 kV HVDC links as well as 220 kV, 400 kV, and 500 kV HVAC systems.
Compliant with IEC 62067 and IEEE 48 standards.
0.1mm thick electrolytic copper tape shield, helically wrapped with uniform tension.
Reduces electromagnetic interference (EMI) by up to 90%, ensuring signal integrity in adjacent communication cables, fiber optics, and control lines.
Provides continuous grounding path and protects against external electrical noise.
High purity silicone based insulating fluid with dielectric constant of 3.8.
Stable electrical performance from -40°C to +90°C.
Resists oxidation, moisture ingress, and dielectric breakdown for over 20 years.
Self healing properties reduce risk of partial discharge and electrical treeing.
Tool free connection mechanisms and adjustable clamping systems.
Accommodates cable conductor diameters from 25 mm² to 500 mm² (larger sizes available).
On site installation in as little as 4 hours per joint.
Reduces installation errors and improves field assembly consistency.
316L stainless steel housing provides superior mechanical protection.
Marine grade fluoropolymer coatings resist saltwater, UV radiation, and chemical exposure.
Suitable for underground, submarine, tunnel, and direct burial installations.
Withstands vibration, seismic activity, and thermal expansion.
| Application | Description |
|---|---|
| Renewable Energy Integration | Offshore wind farms, solar farms, pumped storage hydro, tidal energy. Notable installation: Dogger Bank Wind Farm (UK). |
| Industrial Power Grids | Mining, oil refineries, petrochemical plants, chemical processing, steel mills. |
| Cross Border Transmission | HVDC links: EuroAfrica Interconnector, NordLink (Germany–Norway), Basslink (Australia–Tasmania). |
| Additional Applications | Urban underground cable networks, data centers, airports, seaports, railway electrification, nuclear and thermal power plants. |
| Benefit | Description |
|---|---|
| Ultra Low Loss | < 0.02% per kilometer |
| High Voltage Withstand | ±800 kV transient, ±660 kV continuous |
| EMI Reduction | Up to 90% with copper tape shield |
| Wide Temperature Range | -40°C to +90°C (105°C emergency) |
| Fast Installation | 4 hours per joint, tool free |
| Long Service Life | 30+ years in saltwater environments |
| Certified | IEC 62067, IEEE 48, IEC 60840, ISO 9001 |
Q: Are these accessories compatible with XLPE insulated cables?
A: Yes. They are engineered for seamless integration with XLPE and EPR insulated cables, and also support PILC to XLPE transition joints.
Q: What certifications do they hold?
A: IEC 62067, IEEE 48, IEC 60840, ISO 9001. All products undergo rigorous third party testing.
Q: Can they operate in saltwater environments?
A: Yes. 316L stainless steel housing + marine grade fluoropolymer coatings provide robust saltwater corrosion protection. Projected service life: 30+ years.
Q: What is the maximum operating temperature?
A: Continuous operation: -40°C to +90°C; short term emergency overload: up to 105°C.
Q: Do you provide installation training?
A: Yes. On site installation training, technical documentation, and remote support are available.
