Introduction: The comparison of high-voltage PVC cables can be mainly analyzed from the aspects of their performance characteristics, application scenarios, and comparison with other insulating materials.

Performance characteristics:
Electrical performance: PVC insulation materials perform well in electrical performance and can meet the general needs of high-voltage cables. Its volume resistivity and dielectric strength both reach a high level, ensuring the safety and stability of the cable during transmission.

Mechanical properties: PVC material has high tensile strength and tensile strain at break, which makes the cable not easily damaged when subjected to external forces, ensuring the mechanical strength and durability of the cable.

Environmental protection: With the improvement of environmental awareness, non-toxic and odorless PVC insulation materials have gradually been favored by the market. This type of material does not produce toxic gases and a lot of smoke when burned, and is environmentally friendly.

Application scenarios:
High-voltage PVC cables are widely used in power, lighting, electronics and other fields, especially in some low-voltage cable scenarios with certain cost requirements. However, in the field of high-voltage cables, the application of PVC materials is relatively limited, and more often insulating materials with higher heat resistance and electrical properties, such as cross-linked polyethylene (XLPE), are used.

Comparison of insulating materials
Compared with XLPE: XLPE insulating materials have higher heat resistance and electrical properties, and can withstand higher temperatures and voltage levels, so they are more widely used in the field of high-voltage cables. In contrast, PVC materials are slightly insufficient in heat resistance and electrical properties.

Comparison with PE: PE insulating materials also have high voltage resistance and insulation properties, but their tensile strength is relatively low, requiring additional mechanical protection measures. PVC materials are better than PE in mechanical properties, but may be slightly inferior in electrical properties and heat resistance.

Comparison with silicone rubber: Silicone rubber insulating materials have excellent high temperature resistance and weather resistance, but the price is relatively high. PVC materials have advantages in cost, but are not as good as silicone rubber in terms of high temperature resistance and weather resistance.

In summary, high-voltage PVC cables have certain advantages in electrical properties, mechanical properties, heat resistance, etc., but their application in the field of high-voltage cables is relatively limited. When choosing a cable, you need to consider the specific application scenario, voltage level, environmental conditions, cost and other factors.

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