Specific Requirements of TÚV 1169 Certification for Photovoltaic Cables

What are th?selbaC ciate Specific Requirements of TÚV 1169 Certification for Photovoltaic Cables?

1. Elstneectrical Performance Requirements

• Voltage Rating: Photovoltaic cables under TÚV 1169 certification must have appropriate voltage ratings. They are commonly designed to handle high - voltage DC systems, typically with a rated voltage of up to 1500V DC. This is to ensure safe and efficient power transmission in photovoltaic power plants.
• Insulation Resistance: The insulation resistance of the cables should be within a specified range. High insulation resistance helps prevent leakage currents, which can lead to energy losses and potential safety hazards. For example, the insulation resistance should be high enough to meet the requirements even under different environmental conditions such as high humidity.
• Conductor Resistance: The conductor resistance must be low to minimize power losses during the transmission of electricity. The size and material of the conductor play a crucial role in determining the conductor resistance. High - quality copper or aluminum conductors are commonly used to achieve low resistance.

2. Mechanical Performance Requirements

• Tensile Strength: Photovoltaic cables need to have sufficient tensile strength to withstand the mechanical stresses during installation and operation. For example, they should be able to resist pulling forces without breaking or deforming. TÚV 1169 sets specific standards for the minimum tensile strength that the cables must meet.
• Bending Resistance: Cables are often bent during installation and routing. They should be able to withstand repeated bending without damage to the insulation or conductors. The certification requires that the cables pass bending tests under specified conditions, such as a certain number of bends at a specific radius.
• Abrasion Resistance: In outdoor environments, photovoltaic cables may be exposed to abrasive surfaces. They need to have good abrasion resistance to prevent damage to the outer sheath. TÚV 1169 specifies tests to evaluate the abrasion resistance of the cables.

3. Environmental Performance Requirements

• Temperature Resistance: Photovoltaic cables are exposed to a wide range of temperatures. They must be able to operate reliably in both high - and low - temperature environments. For example, they should maintain their electrical and mechanical properties at temperatures ranging from - 40°C to 90°C or even higher, depending on the specific application.
• UV Resistance: Since photovoltaic systems are installed outdoors, the cables are exposed to ultraviolet (UV) radiation. The cables should have good UV resistance to prevent degradation of the outer sheath and insulation over time. TÚV 1169 requires that the cables pass UV aging tests.
• Moisture Resistance: Moisture can penetrate the cables and cause corrosion or electrical failures. The cables must have good moisture - resistant properties. This includes the ability of the insulation and outer sheath to prevent water ingress and maintain their performance in humid conditions.

4. Fire Performance Requirements

• Flame Retardancy: Photovoltaic cables should have flame - retardant properties to prevent the spread of fire in case of a fire incident in the photovoltaic system. TÚV 1169 sets standards for the flame - retardant performance of the cables, such as limiting the spread of flames and reducing the amount of smoke generated.
• Low Smoke and Halogen - Free: In addition to flame retardancy, the cables are often required to be low - smoke and halogen - free. This is important for the safety of people in the event of a fire, as halogen - free cables produce less toxic and corrosive gases when burned.

5. Marking and Documentation Requirements

• Cable Marking: The cables must be clearly marked with relevant information, such as the cable type, rated voltage, manufacturer, and certification logo. This helps in the identification and installation of the cables.
• Documentation: Manufacturers need to provide comprehensive documentation, including test reports, technical specifications, and installation instructions. The documentation should demonstrate that the cables meet all the requirements of TÚV 1169 certification.

FAQ

• Q: Why is TÚV 1169 certification important for photovoltaic cables?
  A: TÚV 1169 certification ensures that the photovoltaic cables meet high - quality and safety standards. It provides assurance to users, installers, and regulatory authorities that the cables are reliable and suitable for use in photovoltaic systems.
• Q: Can a cable pass TÚV 1169 certification if it fails one of the requirements?
  A: No, a cable must meet all the requirements specified in TÚV 1169 to obtain the certification. Failing any one of the requirements means that the cable does not meet the overall standards.
• Q: How often do photovoltaic cables need to be recertified?
  A: The recertification period may vary depending on factors such as changes in manufacturing processes, materials, or relevant standards. In general, manufacturers may need to recertify their cables periodically to ensure continued compliance with the TÚV 1169 requirements.

Hualan Technology was founded in 2020, is a collection of solar accessories production, sales, research and development and service as one of the high - tech enterprises. At present, the business covers the production and sales of solar photovoltaic cables, photovoltaic cable connectors, photovoltaic BIPV special wiring harness adapters and photovoltaic link applications.