Powering Marine Vessels: A Guide to ECKABEL Type MVCECH 3.6/6 (7.2) kV Cable Marine Cables

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I. Introduction: Meeting Medium Voltage Power Needs in Marine Applications

In the challenging world of marine environments, reliable medium voltage (MV) power distribution is crucial for ensuring the seamless operation of vessels.

ECKABEL, a leader in high-performance marine cabling, introduces the Type MVCECH 3.6/6 (7.2) kV Medium Voltage Cable, a solution tailored to meet the unique needs of marine systems.

This article dives deep into the features, benefits, and best practices for installing and maintaining ECKABEL Type MVCECH cables.

Designed for fixed installations, this cable is engineered to handle electric power transport between the engine room generator and various electrical machines, delivering efficiency and minimizing electromagnetic interference (EMI) with its overall screen.

Key Features of ECKABEL Type MVCECH 3.6/6 (7.2) kV Cable

• Voltage Rating: 3.6/6 (7.2) kV for medium voltage power distribution.

• Application: Fixed installations in electromechanical and electronic equipment.

• Temperature Resistance: Operates reliably from -40°C to +90°C with a minimum installation temperature of -15°C.

• EMI Shielding: Features an overall screen to minimize electromagnetic interference.

• Robust Construction: Withstands the harsh marine environment, including salt spray, humidity, and UV radiation.

For detailed specifications, such as core identification and current ratings, see the Technical Information Section at the end of this guide.

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II. The Challenges of Medium Voltage Cabling and ECKABEL’s Solution

Addressing the Demands of Marine Power Distribution

Marine environments present a unique set of challenges that demand specialized solutions.

ECKABEL Type MVCECH cables are engineered to tackle these problems head-on:

Challenge	Solution Provided by ECKABEL Type MVCECH Cable
High Voltage Stress	Insulated with HF HEPR Compound, offering resistance to electrical stress and discharges.
Electromagnetic Interference	Equipped with an overall copper screen to shield sensitive electronics from EMI.
Harsh Environmental Conditions	UV-resistant, halogen-free outer sheath designed to withstand salt spray and humidity.
Safety Requirements	Flame retardant and halogen-free materials minimize fire hazards and toxic fume emissions.

 

 

Why Choose ECKABEL Type MVCECH Cables?

• Durability: Built to last in demanding environments.

• Safety Assurance: Tested to rigorous international standards (IEC 60092).

• Enhanced Performance: EMI reduction ensures smooth operation of sensitive equipment.

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III. Technical Specifications and Standards Compliance

Engineered for Safety and Performance

ECKABEL Type MVCECH cables meet stringent international standards for marine applications. Below are the key construction and performance specifications:

Component	Material and Features
Conductor	Stranded, annealed Class 2 copper for fixed installations (Class 5 available for flexibility on request).
Conductor Screen	Semiconductive layer to reduce electrical stress on insulation.
Insulation	High-performance HF HEPR Compound, resistant to high temperatures and partial discharges.
Insulation Screen	Semiconductive layer for a uniform electrical field.
Core Screen	Copper tape screen for shielding and containing the electrical field.
Bedding	Halogen-free compound to cushion and protect the cores.
Overall Screen	Electrolytic copper braid (90% coverage) minimizes EMI. Tinned copper available for corrosion resistance.
Outer Sheath	Flame-retardant, halogen-free, and UV-resistant SHF1 polyolefin compound (SHF2 available on request).

 

 

Electrical and Environmental Properties

Property	Specification
Rated Voltage	3.6/6 (7.2) kV
Test Voltage	12.5 kV
Operating Temperature Range	-40°C to +90°C
Minimum Installation Temperature	-15°C
Minimum Bending Radius (Fixed)	Single Core: 12xD; Three Core: 9xD

Compliance Standards

• Construction Standards: IEC 60092/354 for MV marine power cables.

• Flame Retardancy: IEC 60332/1-2 for single cables, IEC 60332/3-22 Cat A for bunched cables.

• UV Resistance: ISO 4892-2&3.

• Halogen-Free: IEC 60754.

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IV. Installation Guidelines and Best Practices

Steps for Optimal Performance

Installing medium voltage cables requires meticulous planning and adherence to safety standards. Here are the best practices:

Aspect	Best Practices
Safety First	Only qualified personnel should handle MV installations. Use appropriate PPE and isolation procedures.
Cable Handling	Avoid mechanical damage during transport and installation.
Routing	Maintain proper clearances, avoid heat sources, and use suitable cable trays and supports.
Bending Radius	Adhere strictly to the minimum bending radius to avoid internal damage.
Termination	Use specialized terminations for MV cables, ensuring tight connections and insulation integrity.
Earthing and Bonding	Ensure proper earthing of the screen for personnel safety and EMI control.

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V. Troubleshooting and Maintenance

Common Issues and Resolutions

Proper maintenance ensures long-term reliability. Here's how to address common problems:

Issue	Cause	Solution
Insulation Failure	Mechanical stress or electrical discharges.	Inspect for visible damage and replace the damaged section.
EMI Disturbance	Incomplete or poor earthing of the screen.	Verify and secure proper earthing connections.
Sheath Damage	Abrasions or UV exposure.	Conduct regular inspections and use protective coverings.

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VI. Technical Information: Tables and Data

Cable Dimensions and Ratings

Conductor Size (mm²)	Outer Diameter (mm)	Weight (kg/km)	Current Rating (A)
25	22	680	120
50	27	1020	160
95	33	1570	215
150	39	2230	280

 

Core Identification

Core Count	Color Coding
Single Core	Black
Three Core	Brown, Black, Grey

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Conclusion: Empowering Marine Vessels with ECKABEL MV Cables

The ECKABEL Type MVCECH 3.6/6 (7.2) kV cable stands out as a robust, reliable solution for medium voltage power distribution in marine environments.

With its superior EMI shielding, durable materials, and compliance with international standards, this cable delivers unparalleled performance in even the harshest conditions.

For engineers, installers, and operators looking for safe, efficient, and long-lasting solutions, ECKABEL MV cables are a trusted choice.

For further inquiries or technical details, contact ECKABEL Marine Cabling Solutions today!

  

Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.

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