TFCA - home 1

  • TFKable Group

    TFKable is a global leader in the production of high and extra-high voltage cables, specializing in the energy sector, with documented deliveries to power grid operators and positive results from production process audits.

  • Bydgoszcz Load Out

    TFKable supplies land cables and accessories for key Polish offshore wind farms in the Baltic Sea: Bałtyk 2, Bałtyk 3, Baltica 2, and Baltic Power.

  • Quality Connects Us

    The Quality Control Department Laboratory at the Bydgoszcz plant holds accreditation from the Polish Centre for Accreditation (PCA) in accordance with the PN-EN ISO/IEC 17025:2018-02 standard.

Ultimate Mining Cable Solution

SHD-GC

Insulated Power Conductors: Soft drawn extra flexible stranded tinned copper power conductors, conductor shield and EPR insulation.

Grounding Conductor: Soft drawn flexible stranded tinned copper wires.

Reinforced Jacket: Braid of polyamide threads between inner and outer jacket layer.

Ground Check Conductor: Yellow Polypropylene (PP) or Thermoplastic Elastomer (TPE-E) insulated soft drawn flexible stranded tinned copper wires.

Insulation Shield: Semi-conductive tape and composite tinned copper/polyamide braid.

Separator: Single-faced rubber-filled binder tape over the core.

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Ultimate Mining Cable Solution

R-(N)TSCGEWOU

Reinforced Sheath: Braid of polyamide threads between inner and outer sheath layers.

Earth Core: Bare or coated copper core covered by semi-conductive layer.

Fiber Optic Module: Identified by color code and covered with buffering tube with filling compound.

Insulation Screen: Extruded semiconductive layer, composite tinned copper/polyamide braid.

Control Element: Cores - bare or coated copper, EPR insulated conductors, white or
black with numbers. Screen - braid or wrap.

Insulated Power Cores: Bare or coated copper power cores covered by separator and conductor screen, under EPDM rubber insulation.

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MP-GC

Mine Power Feeder Cable
5000V-25000V
ICEA S-75-381 / NEMA WC58

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SHD-GC

8kV TPU BRT

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MP-GC FOM

8kV-25kV SWA/LSOH

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G-GC

JUMBOFLEX
2000V

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SOOW

600V

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G-GC

2000V

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TRAY CABLE

TC POWER

TFCA - home 3

Modern Technologies in Testing

At TFKable, we have modern test applications that are carried out in the Extra-High Speed ​​Laboratory at the Research and Development Center in Krakow. This is where we conduct advanced research that focuses on the flexibility, durability and reliability of cables. Thanks to these tests, we are able to verify the strength of cables in various, extreme operating conditions.

Our innovative test applications, such as Monospiral Wheel, Festoon and Drag Chain, enable the assessment of the strength of cables during repeated winding, unwinding, bending and subjecting them to other dynamic loads. Thanks to these advanced tests, we can guarantee that our products meet the highest standards of quality and reliability, ensuring their safe operation in demanding industrial conditions.

LinkedIn
10.03.2026
During the 31st Training and Technical Conference “Power Cable and Overhead Lines” KABEL 2026, which will take place from 10–13 March 2026, the TELE-FONIKA Kable team will actively participate in the event, presenting the latest technological advancements and solutions supporting the development of modern power engineering.
Our experts will deliver presentations on medium voltage \(MV\), high voltage \(HV\) and extra high voltage \(EHV\) cables. The papers will focus on key topics such as material selection for cable design, the development of the high-voltage cable sector, operational safety, and balancing regulatory requirements with optimal and cost-effective design solutions.

@Iga Korczyńska, Head of the Medium Voltage Cables and JDR Technology Team, will present a paper entitled: “Lifetime of Power Cables – Between Standards and Real Operating Conditions.”
Her presentation will address modern testing methods and estimation models, which enable the prediction of the service life of insulated cables. She will also emphasise the importance of proper design that takes into account multi-factor degradation mechanisms.

@Marcin Kocik, Head of the High Voltage Systems Technology Team, will present the paper: “Design of HV Cables with a Smooth Welded Aluminium Sheath.”
He will discuss the “Combined Design” as an effective alternative to traditional lead sheaths and copper wire screens. This solution combines high water tightness, corrosion resistance and optimisation of electrical and mechanical parameters.

@Przemysław Krawczykowski, High Voltage Systems Technologist, will present the topic: “Short-Circuit Currents in various types of HV cable Designs.”
In his paper, he will discuss the need to consider the thermal and dynamic effects of short-circuit currents at the HV cable design stage. He will also present the methodology for determining permissible short-circuit currents for various cable structures as well as the parameters and standards that form the basis for calculations.

Kamil Balcer, Medium Voltage Technologist, will present a paper on mechanical stresses during MV cable installation.
His presentation will focus on the cable pulling process as one of the most critical stages of installation. The physical mechanisms involved, as well as appropriate methods and installation accessories that help reduce the risk of damage, particularly in challenging ground conditions, will be discussed.

Join the discussion during the Conference or contact the speakers directly:
Iga Korczyńska: iga.korczynska@tfkable.com
Marcin Kocik: marcin.kocik@tfkable.com
Przemysław Krawczykowski: przemyslaw.krawczykowski@tfkable.com
Kamil Balcer: kamil.balcer@tfkable.com

#MV #HV #EHV #MediumVoltage #HighVoltage #ExtraHighVoltage #PowerCables #CableSystems #PowerEngineering #ElectricalEngineering #EnergyTransition #PowerGrids #SustainableEnergy #OperationalSafety #InstallationEngineering #TFKable #JDR #BydgoszczPlant #KrakowPlant #KABEL2026 #KonferencjaKABEL
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