5kV DC Screened Silicone Wire
APPLICATIONS
The single core cables are suitable for high-voltage cabinet, power system, high voltage electric machineries, television receivers, transformers,high-voltage cables for electronic instruments, etc.
Rated Voltage
5kV
CONSTRUCTION
Conductor : Annealed copper conductor, class 5.
Insulation : Silicone rubber.
Screen : Tinned copper wire braiding.
Sheath : Silicone rubber.
COLOR CODE
Red, (other colours upon request).
PHYSICAL PROPERTIES
Operating Temperature : -45°C - 180°C
Dimension Data
Part NO. | Conductor | Approx. Overall Diameter | ||
|---|---|---|---|---|
No. of Core X Cross Section | No./Nominal Diameter of Strands | Nominal Diameter | ||
| mm² | No./mm | mm | mm |
1x0.20 | 7/0.20 | 0.6 | 4.1 | |
1x0.35 | 19/0.16 | 0.8 | 4.3 | |
1x0.50 | 16/0.2 | 0.94 | 4.5 | |
1x0.75 | 24/0.2 | 1.2 | 5.3 | |
1x1.0 | 32/0.2 | 1.34 | 5.8 | |
1x1.5 | 30/0.25 | 1.6 | 6.6 | |
1x2.5 | 49/0.25 | 2.1 | 7.5 | |
Introduction
In the realm of high-voltage electrical systems, the choice of cabling can significantly impact performance, safety, and longevity. Among the myriad options available, 5kV DC screened silicone wire cables stand out for their robust construction, flexibility, and ability to operate in extreme conditions. These cables, designed for applications ranging from high-voltage cabinets to electronic instruments, offer a unique combination of high thermal resistance, reliable insulation, and effective electromagnetic shielding. But what exactly makes these cables indispensable for demanding high-voltage environments? This article delves into the construction, applications, physical properties, and advantages of 5kV DC screened silicone wire cables, providing a comprehensive analysis for engineers, technicians, and industry professionals.
Applications of 5kV DC Screened Silicone Wire Cables
The versatility of 5kV DC screened silicone wire cables makes them suitable for a wide array of high-voltage applications:
High-Voltage Cabinets: These cables are commonly used in high-voltage cabinets, where reliable insulation and EMI shielding are critical to prevent electrical faults and ensure safe operation.
Power Systems: In power distribution systems, the cables’ ability to handle 5kV DC makes them ideal for connecting components in substations or renewable energy installations, such as solar inverters or wind turbine control systems.
High-Voltage Electric Machineries: Industrial machinery operating at high voltages, such as motors or generators, benefits from the cables’ flexibility and thermal resistance, which ensure consistent performance under demanding conditions.
Television Receivers: The screened design is particularly valuable in television receivers, where EMI can degrade signal quality. The tinned copper braid ensures clean signal transmission, enhancing picture and sound quality.
Transformers: Transformers, which often operate in high-temperature environments, rely on the thermal stability of silicone rubber insulation to maintain efficiency and safety.
Electronic Instruments: Precision instruments, such as medical imaging devices or laboratory equipment, require cables that can deliver stable power and resist interference. The screened silicone cables meet these requirements, ensuring reliable operation.
Advantages of 5kV DC Screened Silicone Wire Cables
Thermal Resilience
The ability to operate between -45°C and 180°C is one of the standout features of these cables. Unlike traditional PVC-insulated cables, which may become brittle at low temperatures or degrade at high temperatures, silicone rubber maintains its flexibility and integrity across this range. This makes the cables suitable for applications in industries such as aerospace, automotive, and renewable energy, where temperature fluctuations are common.
Flexibility and Durability
The Class 5 annealed copper conductor, combined with the flexible silicone rubber insulation and sheath, allows these cables to bend and flex without cracking or breaking. This is particularly advantageous in applications involving frequent movement or vibration, such as robotic systems or portable high-voltage equipment. Additionally, the silicone rubber sheath provides excellent resistance to abrasion, chemicals, and moisture, enhancing the cable’s lifespan in harsh environments.
Electromagnetic Interference Shielding
The tinned copper wire braid provides effective shielding against EMI, which is crucial in environments with high levels of electromagnetic noise, such as industrial plants or data centres. This shielding ensures that the cable maintains signal integrity and prevents cross-talk in multi-cable installations.
High Voltage Capability
Rated for 5kV DC, these cables are designed to handle high-voltage applications without compromising safety or performance. The silicone rubber insulation provides excellent dielectric strength, reducing the risk of electrical breakdown even under high voltage stress.
Customisation Options
The availability of different conductor sizes and the option for custom sheath colours allow these cables to be tailored to specific application requirements. This flexibility is particularly valuable in complex systems where multiple cables must be distinguished or where space constraints dictate specific cable dimensions.
FAQs
What is the primary benefit of using silicone rubber in these cables?
Silicone rubber provides excellent thermal resistance, flexibility, and dielectric strength, making it ideal for high-voltage applications in extreme environments.
Can these cables be used in outdoor applications?
Yes, the silicone rubber sheath offers resistance to moisture, UV radiation, and chemicals, making these cables suitable for outdoor use.
What is the purpose of the tinned copper wire braid?
The braid provides electromagnetic interference (EMI) shielding, protecting the cable from external noise and ensuring signal integrity in sensitive applications.
Are custom colours available for these cables?
Yes, while the standard sheath colour is red, other colours can be provided upon request to suit specific installation requirements.
What conductor sizes are available for 5kV DC screened silicone wire cables?
Conductor sizes range from 0.20 mm² to 2.5 mm², with varying strand counts and overall diameters to meet different application needs.
5kV DC screened silicone wire cables are a cornerstone of modern high-voltage systems, offering a unique blend of flexibility, thermal resilience, and electromagnetic shielding. Their construction, featuring annealed copper conductors, silicone rubber insulation, and tinned copper braiding, ensures reliable performance in demanding applications such as power systems, transformers, and electronic instruments. While challenges such as cost and installation complexity exist, the benefits of these cables far outweigh the drawbacks for high-voltage environments. As industries continue to evolve, these cables will play a critical role in supporting the next generation of electrical and electronic systems, making them an essential component for engineers and technicians worldwide.
