(131 products available)
Ready to Ship
Ready to Ship
Ready to Ship
Since the main goal of an electrical insulator is to prevent any electrical leakage to the ground while supporting the working voltage and enduring environmental pressures, 10 kv electrical insulators come in various types.
Ceramic insulators
Ceramic insulators are considered traditional insulators. Often made of porcelain or stoneware, they have the follows features:
Polymer insulators
Often called composite insulators, polymer insulators are made from a combination of insulating materials with a core of non-conductive fibre-reinforced polymer. Due to the extreme environment and operational requirements, the following characteristics come in handy:
Lightweight and flexible: unlike inflexible glass and ceramic insulators, polymer insulators are lightweight and highly flexible. This feature makes them easy to install and transport, especially in remote locations.
Hydrophobicity: the surface of most polymer insulators is prone to hydrophobicity, which causes water to bead rather than film. Water films can lead to flashover, thus contaminating the surface and reducing electrical performance.
Faade and color: polymer insulators are attractive and usually come in various colour options, making them aesthetically appealing. Unlike ceramic insulators, they are prone to scratches, which may affect their electrical performance.
Glass insulators
Usually made with toughened glass, 10 kv electric insulators are well-suited for varied climate conditions. They compare favourably to ceramic insulators in terms of relation to pollution and flashover endurance. The following key features of glass porcelaine insulators are reasons for their wide appeal:
Transparency: in a situation where a power line needs to be viewed to minimize accidental contact with it, glass insulators come pure because they are transparent.
Durability: Other than being immune to chemical pollution, glass insulators can endure extreme temperatures, UV radiation, and physical stress. This makes them both strong and weatherproof.
Dielectric strength: due to their high dielectric strengths, glass insulators can withstand high voltages without breaking down. Commonly, they are used in high-voltage transmission lines.
Suspension insulators
Suspension insulators consist of several porcelain or polymer discs strung together to form a chain. They are specifically designed to transmit power at high voltages. Their main features include:
Design of the slackline: suspension insulators are designed with sufficient slack; hence, they are capable of absorbing tension in extreme weather conditions. This property reduces the risk of breaking the conductor.
Torque and strength: larger conductors have greater mechanical loads, requiring stronger suspension insulators to bear the extra weight.
Insulation: the more discs added to a suspension insulator, the greater the voltage insulation. This property minimizes the risk of electrical flashovers.
Mechanical design: suspension insulators feature ball and socket arrangements. These designs permit rotation in all directions, hence accommodating conductor movement caused by wind or changes in temperature.
Durable materials of 10 kv electrical insulator possess various features that ensure superior functionality, especially in tough outdoor conditions. These features include:
High dielectric strength
Durable materials like glass, ceramics, and specially formulated polymers have high dielectric strengths. Consequently, they can withstand huge electrical fields without breaking down. This property makes them capable of supporting high voltages, reducing the risk of arcing or flashover.
Chemical resistant
As glass and ceramic insulators come with great inherent material resistance, they are also immune to chemicals, salts, and other pollutants, which commonly degrade the surface of an insulator. By being chemist resistant, these materials maintain their electrical integrity for years even when exposed to harsh industrial environments.
Hydrophobic property
Some modern insulating materials, particularly silicone and rubber, exhibit hydrophobic properties. Instead, here, water beads off the surface instead of spreading or forming a film. This property prevents the electrical pathway from being extinguished and reduces the likelihood of flashover.
Thermal resistance
During operation, insulators may experience variations in temperature, especially within transmission lines and power equipment. Highly resistant thermal insulators can withstand extreme temperatures without degrading. This ability ensures they retain their shape and insulating properties under severe heat or cold conditions.
Mechanical strength
Glass and ceramic insulators possess high mechanical strength which helps them resist wind and ice loads. Also, suspension insulators are designed to support their weight, as well as the weight of electrical conductors without cracking or breaking. This is important for ensuring operational safety and reliability.
UV resistance
Particularly for outdoor electrical insulators, UV rays form a major threat to their integrity. Modern insulators are made of materials that have UV resistance to ensure they do not degrade, weaken, or lose their dielectric properties. This means the insulators will continue functioning safely for a long time even when exposed to sunlight.
Smooth surface
Durableinsulator materials are engineered to have smooth surfaces. Other than minimising potential electrical discharges, smooth surfaces prevent dirt and grime accumulation. This allows natural washing to occur in a rain or moisture event, aiding in the maintenance of the insulator’s electrical performance over time.
Environmental conditions
Buyers need to consider climate conditions like temperature range, humidity level, and typical weather patterns. They also have to focus on pollution types and levels, such as industrial deposits or coastal salts, which can contaminate the insulator surface. This information will help choose materials and designs that enhance performance and endurance, such as hydrophobic polymer insulators in high humidity or anti-fogging coatings in coastal regions.
Types of installation
In cases of 10-kV systems, buyers have to pay attention to the differences in mounting configurations for various installation types. In overhead lines, suspension and strain insulators are the most appropriate. For pole-mounted applications, go for port and pin or post insulators. Based on the buyer’s mounting style, ensure the insulator is mechanically compatible and can bear the required mechanical load while supporting the system voltage.
Mechanical strength
Buyers should check the tensile strength rating of 10 kV insulators. Those operating in high-winds, icy conditions, or with heavier conductors, require high tensile strength. The electromechanical factor safeguards that the insulator can withstand physical tension without breaking, ensuring safety and reliability in adverse conditions.
Dielectric strength
In electrical engineering, dielectric strength refers to an insulating material's ability to resist electrical breakdown. The higher the level of dielectric strength, the better the insulator performs. So, buyers should check the individual dielectric strength of the materials that make up the 10 kV insulator. For further information, they should consult the suppliers’ technical datasheets and other relevant documents. Note that in 10 kV systems, pollution and humidity may reduce dielectric strength. Therefore, customers should consider insulators with protective features, such as weep holes that lift the insulator surface or hydrophobic coatings that reduce water accumulation.
Compatibility
It is important to ensure that the chosen insulator for the 10kV systems is made of materials compatible with surrounding systems and hardware. To ensure this, buyers should look for manufacturers' recommendations. Also, they should consult existing technical standards like ANSI/IEEE and IEC, which are responsible for governing insulation design. Poor compatibility causes electrical interference, mechanical failures, and premature insulating damage. Thus, ensure all these are avoided by maintaining system consistency.
Easy maintenance
Luckily, some manufacturers offer easy-maintaining 10 kv electrical insulators like polymer and composite insulators, which have easy-washing surfaces that allow quick debris removal. They also come with features like anti-vibration and dampening which reduces mechanical noise and allows easy insulator inspection without special tools. Besides this, the materials have high resistance to chemicals that often require frequent maintenance. So, buyers should consider these factors when choosing insulated maintenance.
Overlooking environmental factors
For 10 kV lines, not considering the environment in which the insulator will operate can lead to serious consequences. For example, neglecting such factors as humidity, temperature variations, and pollution level may result in choosing the wrong material. Remember that outdoor areas with high humidity require insulators with hydrophobic coatings that prevent dew and condensation. In contrast, extreme temperatures need materials with low thermal expansion to avoid cracking. Exposure to industrial pollution demands frequent cleaning of the insulator surface to avoid electrical failure.
Poor material selection
A voiding 10 kv electrical insulators material with proven successful applications may lead to failure. For instance, ceramics are increasingly popular due to their excellent dielectric capabilities and mechanical strength. On the other hand, polymers are favoured by their flexibility, lightweight, and resistance to chemical pollution. Each material comes with a unique benefit. So, buyers should carefully consider insulator material. Further, materials perform differently under diverse conditions. Therefore, it is important to consider the environment where the insulator will operate.
Neglecting testing standards
Testing standards are created to ensure consistency, performance, and safety among electrical insulation products. They are established by reputable standards organisations. So, using insulators that meet these standards ensures reliability and that the product has undergone stringent independent evaluation. This improves the equipment's operational consistency.
Ignoring installation requirements
Installation specifications include the insulator's mechanical rating, compatibility with conductors, and tower design. Failure to align with these requirements often leads to adverse consequences, like undue mechanical stress on conductors and insulators, reduced system performance, and even insulator failure. Go for manufacturer instructions and consult industry standards when selecting insulation to meet the installation requirement.
Not considering maintenance
In power systems, maintenance is inescapable. Thus, go for insulators with easy maintenance. They possess features like smooth surfaces that allow quick cleaning and are resistant to chemical attacks from contaminants. Besides, ventilated porches help inspect physical insulators without displacing them from their positions.
Chovm.com is currently the most common platform buyers use to purchase 10 kv electrical insulators in bulk from reputable manufacturers. Once on the platform, the very first factor buyers consider when transporting and storing the 10 kV insulators is securing the appropriate shipping method. Reliable carriers, such as freight forwarders and shipping companies, are well-versed in handling fragile electrical equipment, including insulating materials. The next thing buyers invite their sellers to do is use sturdy packing containers, like wooden crates or corrugated boxes with cushioning materials, to ensure the insulators are well packed and have the longest durability while on transit. Then comes ensuring that insulators are properly loaded onto transportation vehicles. The vehicles should have proper security, like straps, to protect it from the inevitable bouncing and crashing that can sometimes occur during transportation.
As for storage, it is important for buyers to consider first keeping the insulators in a temperature-controlled and dry environment. The area should be free from excessive humidity and direct sunlight exposure, which deteriorates the insulator materials, especially polymer variants. The buyers' next storage consideration is safeguarding the insulators from physical damages. Like the packing cases used during transportation, sturdy shelving or racks will do the work effectively. Again, the insulator storage area should be kept free of chemicals and pollutants, such as industrial solvents and strong acids, that may degrade the materials.
A1: Although high heat may cause thermal stresses, which result in micro-cracking, a high-quality porcelain insulator is unlike to crack due to the high temperature.
A2: 10 kV electric insulators have the least maintenance. Just cleaning the surface and checking for physical damage are enough.
A3: During transportation, electrical insulators are placed inside sturdy packing containers like corrugated boxes and wooden crates with cushioning materials.
A4: Prolonged UV exposure leads to material degradation, especially for polymer insulators. This causes weakening, loss of flexibility, and surface cracking.
A5: Glass, ceramic, and polymer insulators are commonly used for 10kV systems.
浙公网安备 33010002000092号
浙B2-20120091-4