Avoid Solar Project Failures: Choose the Right TUV/UL Certified PV Cable

What is PV Cable?

Key Features of PV Cables

1. ​​Weather Resistance:​​ Resistant to UV radiation, ozone, salt spray, and weak acid/alkali corrosion. Adaptable to extreme temperature changes.
2. ​​Electrical Performance:​​ Low resistance and high current-carrying capacity minimize power transmission losses. DC-side voltage drop should be controlled within 2%.
3. ​​Safety and Environmental Friendliness:​​ Made of low-smoke, halogen-free, flame-retardant materials to reduce toxic gas emissions during fires. Compliant with environmental standards.
4. ​​Mechanical Strength:​​ Highly flexible, resistant to bending, stretching, and impact, suitable for complex wiring scenarios.

Typical Applications

1. ​​Inter-Component Connections:​​ Used to connect PV panels in series or parallel, ensuring efficient energy transmission within the array.
2. ​​Combiner Box to Inverter Connections:​​ Transmit DC power to inverters, serving as the core transmission line in PV power stations.
3. ​​Distribution Box and Equipment Connections:​​ Include DC distribution boxes to inverters and inverters to grid (AC side) connections.

Common Mistakes in PV Cable Selection

1. ​​Incorrect Conductor Size or Voltage Rating:​​ Cables must handle the load. Undersized cables can overheat, cause voltage drops, or exceed specifications, increasing costs unnecessarily.
2. ​​Improper Installation:​​ Cables must be installed according to environmental conditions and specifications. Over-bending or compression can damage insulation, leading to short circuits.
3. ​​Ignoring Environmental Factors:​​ Cables must suit the operating environment. Neglecting temperature, chemical exposure, or mechanical stress can cause premature aging or safety hazards.
4. ​​Using Low-Quality Cables:​​ Cheap cables may save costs initially but lead to issues like wear, damage, short circuits, or failure.
5. ​​Overlooking Certifications:​​ Ignoring UL, CE, or TUV certifications may result in non-compliance or safety risks.

How to Avoid These Pitfalls

1. Evaluate environmental conditions, mechanical demands, and electrical requirements.
2. Verify certification compliance and ensure cables meet project-specific parameters.
   By applying these criteria, engineers can prevent performance mismatches and ensure reliable long-term operation.

Why Choose JZD Cable?