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Variable Frequency Cables
Variable frequency cables are specially developed for power connection between frequency converters and variable-frequency motors, widely used in industrial frequency conversion speed regulation and energy-saving transmission systems. They are suitable for equipment power supply and signal matching in high-interference and variable-load industrial scenarios.
Typical application fields include metallurgical industry, chemical plants, water supply and drainage systems, HVAC equipment, automated production lines and new energy industrial equipment. Relying on excellent anti-interference performance and high-frequency stability, the cables effectively guarantee precise speed regulation, stable operation and long service life of frequency conversion equipment.
Variable frequency cables adopt high-purity stranded copper conductors with excellent conductivity and flexibility, specially optimized for variable frequency motor power supply. The insulation layer is made of high-quality cross-linked polymer material with high dielectric strength and voltage resistance, which resists partial discharge caused by high-frequency pulse voltage.
The cable is equipped with professional multi-layer shielding structure, including copper tape shielding or copper wire braided shielding, which effectively isolates internal high-frequency interference and external electromagnetic signal crosstalk. The integrated extrusion molding ensures compact structure, stable overall dimension, outstanding mechanical toughness and long-term laying durability.
These cables feature low and stable conductor resistance, excellent insulation performance and low dielectric loss, adapting to high-frequency, high-speed and variable-load operating conditions of frequency conversion systems. They effectively suppress surge voltage and harmonic interference generated during frequency conversion operation to reduce transmission loss.
With superior high-voltage pulse resistance, electrical aging resistance and electromagnetic compatibility, the cables maintain stable electrical parameters under long-term alternating frequency and variable load operation. They avoid insulation breakdown and equipment signal disorder, ensuring efficient and safe operation of frequency conversion drive systems.
The cables are designed, manufactured and tested in strict accordance with national standards GB/T 12706 and industry specifications for variable frequency special cables.
They comply with relevant IEC international standards and RoHS environmental protection requirements, fully meeting the technical specifications and safety acceptance standards of industrial frequency conversion transmission systems.
