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35kV Insulators for Substations - High-Performance Electrical Insulation from China Suppliers and Factory
Product Overview
Designed to meet the rigorous demands of 35kV substations, our insulators serve two core functions: supporting conductors and securing them to pole towers or other substation structures, while strictly confining current flow along the conductor path and preventing leakage to grounded parts.
The store offers transparent round glass insulators with outstanding insulation stability, ideal for power engineering and industrial household lines. We also provide composite insulators featuring glass fiber epoxy resin pull-out rods and silicone rubber sheds. These composite models combine robust mechanical structure with advanced anti-pollution performance, making them a versatile choice for diverse substation working conditions.
Product Performance
The performance of our 35kV insulators is defined by four key dimensions: electrical properties, mechanical properties, thermal properties, and anti-aging properties, with the following standout advantages:
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⚙️1. High Mechanical Strength
The glass fiber epoxy resin pull-out rods adopted in composite insulators deliver superior mechanical strength, capable of withstanding various mechanical loads during transmission line operation, and ensuring the stable operation of substation equipment and lines.
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⚡2. Excellent Electrical Properties
Composite insulators exhibit high voltage resistance and low leakage current, effectively preventing electrical faults in 35kV high-voltage systems. The electrical performance also covers core indicators such as flashover characteristics, electrical stability under overvoltages, pollution flashover characteristics, and power frequency breakdown voltage in oil.
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🛡️3. Strong Pollution Flashover Resistance
The silicone rubber sheds of composite insulators have excellent hydrophobicity and pollution flashover resistance. They can maintain reliable insulation performance even under harsh environmental conditions, significantly reducing the risk of substation line failures caused by pollution flashover.
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🌡️4. Superior Thermal & Anti-Aging Properties
Our 35kV insulators are engineered with excellent thermal stability, capable of adapting to temperature changes in substation environments with stable hot and cold resistance. Meanwhile, the durable material composition ensures strong anti-aging performance, extending the service life of the products.
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🔧5. Easy Installation & Maintenance
Composite insulators feature a lightweight and simple structure, facilitating quick installation and daily maintenance. Their long service life also helps lower the overall operation and maintenance costs of substations.
Applicable Scenarios
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1. 35kV Substations
As the core application scenario, the insulators are widely used to support busbars, disconnectors, circuit breakers and other key equipment in 35kV substations, realizing the electrical isolation between live parts and grounded structures.
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2. 35kV Overhead Transmission Lines
Matching the voltage level of substations, the insulators can be applied to 35kV overhead transmission lines connected to substations, ensuring the safe transmission of electric energy from substations to end users.
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3. Industrial Power Supply Lines
The reliable insulation performance makes the insulators suitable for industrial power supply lines with 35kV voltage level, meeting the power demand of high-power industrial equipment.
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4. Harsh Environment Power Systems
Thanks to the strong pollution flashover resistance of composite insulators, they can be used in power systems located in areas with heavy pollution, high humidity or large temperature differences, maintaining stable operation without frequent maintenance.
Frequently Asked Questions
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What is the main difference between glass insulators and composite insulators?
Glass insulators offer outstanding insulation stability and are ideal for standard power engineering and industrial household lines. Composite insulators, featuring glass fiber epoxy resin pull-out rods and silicone rubber sheds, provide superior mechanical strength and advanced anti-pollution performance, making them better suited for harsh or heavily polluted environments.
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Are these insulators suitable for use in high-pollution or high-humidity environments?
Yes. The composite insulators are specifically designed with silicone rubber sheds that exhibit excellent hydrophobicity and pollution flashover resistance. They maintain reliable insulation performance in areas with heavy pollution, high humidity, or large temperature differences, significantly reducing the risk of line failures.
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What voltage level are these insulators designed for?
These insulators are specifically designed for 35kV voltage level applications, including 35kV substations, 35kV overhead transmission lines, and industrial power supply lines operating at the same voltage level.
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How do composite insulators help reduce maintenance costs?
Composite insulators feature a lightweight and simple structure that enables quick installation and straightforward daily maintenance. Combined with their long service life and strong anti-aging properties, they help lower the overall operation and maintenance costs of substation infrastructure over time.
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What electrical performance indicators do your 35kV insulators cover?
Our 35kV insulators cover a comprehensive range of electrical performance indicators, including flashover characteristics, electrical stability under overvoltages, pollution flashover characteristics, and power frequency breakdown voltage in oil. They also demonstrate high voltage resistance and low leakage current to effectively prevent electrical faults.
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Can these insulators be used for both substation equipment support and overhead lines?
Yes. Our insulators are versatile and can be used to support busbars, disconnectors, and circuit breakers within 35kV substations, as well as applied along 35kV overhead transmission lines connecting substations to end users, providing consistent insulation and mechanical support across both applications.
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