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Power Transformers HV (High Voltage) Bushings are classified based on their design, insulation type, and application. These bushings are crucial for insulating and supporting the conductors that connect the transformer windings to external power systems.

Types of Power Transformer HV Bushings1. Based on Insulation Materiala. Oil-Impregnated Paper (OIP) Bushings

• Description: These bushings consist of a conductor surrounded by layers of paper impregnated with insulating oil, enclosed in a porcelain or composite housing.
• Applications: Widely used in high-voltage transformers up to 765 kV due to their excellent insulation properties and cost-effectiveness.
• Features: Good thermal dissipation and long service life.

HV (High Voltage) Transformer Bushings are indeed considered a type of electrical insulator. However, they are specifically designed to serve as both insulation and a connection point for the electrical conductors entering and leaving the transformer.

Why HV Transformer Bushings are Called Electrical Insulators:

1. Electrical Insulation:

   • HV transformer bushings provide electrical insulation between the high-voltage conductors (inside the transformer) and the grounded transformer body or surrounding environment.
   • The bushing ensures that there is no electrical leakage or short circuits between the high-voltage electrical components and the grounded parts, thus maintaining the safe operation of the transformer.

2. Functionality as Insulators:

   • The bushing typically consists of an insulating material, often porcelain or composite materials, which offer high dielectric strength to withstand high-voltage conditions.
   • It isolates the internal electrical conductors from the external environment while providing a secure entry and exit for the electrical conductors from the transformer.

3. Mechanical Support:

   • In addition to providing insulation, transformer bushings also provide mechanical support to the conductors entering and exiting the transformer, ensuring they stay securely in place during operation.

Distribution Transformer Bushings are critical components that facilitate the safe and reliable transfer of electrical energy between the transformer windings and the external circuits. Their working area refers to the specific functions and locations where these bushings operate effectively. These bushings are designed to handle both high-voltage (HV) and low-voltage (LV) connections in distribution transformers.

Additional Information:

• Production Capacity: 5000/ per Month
• Delivery Time: 6 weeks

33 kV transformer HV (High Voltage) bushing is an essential component used in high-voltage transformers, particularly in transformers with a 33 kV ratings. It provides electrical insulation and mechanical support for the conductor passing from the high-voltage side of the transformer to the external electrical network. 

Additional Information:

• Production Capacity: 1000

High Voltage Transformer Bushings are crucial components in transformers that allow the high-voltage electrical conductors to safely pass through the transformer tank or other enclosures while maintaining electrical insulation and mechanical support. These bushings provide the connection points between the high-voltage winding of the transformer and the external power network, ensuring safe and efficient operation of the transformer in high-voltage systems.

Key Functions of High Voltage Transformer Bushings:1. Electrical Insulation

• Purpose: High-voltage transformer bushings provide electrical insulation between the high-voltage conductor and the grounded transformer tank or other electrical equipment.
• How It Works: They ensure that the high-voltage current inside the transformer does not leak to the surrounding metal parts, preventing short circuits, electrical shocks, or ground faults. This is achieved by using high-quality insulating materials, such as porcelain, resin-impregnated paper, or epoxy composites.

2. Mechanical Support for High-Voltage Conductors

• Purpose: The bushings also provide mechanical support to the high-voltage conductor as it passes through the transformer tank or housing.
• How It Works: The bushing holds the high-voltage conductors securely in place, preventing damage due to physical stresses, such as vibrations, thermal expansion, or mechanical shocks.

3. Safe Electrical Connection

• Purpose: Bushings allow the safe connection of the transformer’s high-voltage terminals to the external power network.
• How It Works: The bushing provides a safe pathway for the high-voltage electricity to flow from the transformer to the grid, ensuring that the connection is insulated and protected from environmental elements.

4. Voltage Stress Control

• Purpose: Transformer bushings help to control electrical stress across the insulation of the transformer.
• How It Works: High-voltage bushings often include grading rings or stress cones, which help evenly distribute the electrical field and reduce the chance of breakdown or flashover at the bushing connection.

5. Sealing and Environmental Protection

• Purpose: High-voltage transformer bushings protect the internal components of the transformer from external environmental conditions.
• How It Works: They create a sealed environment that prevents moisture, dirt, dust, and pollutants from entering the transformer tank and degrading the insulation or causing electrical failures.

An 11 kV bushing is used in electrical equipment that operates at 11 kV (kilovolt) voltage levels, such as transformers, switchgear, and substations. The bushing provides electrical insulation, mechanical support, and a safe path for high-voltage conductors to pass through the equipment without causing electrical faults or physical damage.

Common Working Places for 11 kV Bushings:1. Transformers

• Role: 11 kV bushings are used in distribution transformers to connect the high-voltage winding of the transformer to external electrical systems.
• Working Place: The bushings are installed at the high-voltage terminal of the transformer, where they provide insulation and mechanical support for the conductor that connects to the high-voltage network.

The transformer porcelain bushing is a critical component used in electrical transformers to provide electrical insulation and mechanical support for conductors that pass through the grounded transformer tank. These bushings are designed to safely isolate the high-voltage (HV) or low-voltage (LV) conductors from the transformer’s grounded structure, ensuring efficient and safe electrical operation. The porcelain material, known for its high mechanical strength and excellent dielectric properties, is commonly used for these bushings due to its ability to withstand environmental stresses and high voltage.

The working principle of a 33 kV transformer bushing is centered around its role in providing electrical insulation, mechanical support, and safe electrical connections between the internal high-voltage components of the transformer and the external electrical network. The bushing ensures that high-voltage conductors can pass through the transformer tank without creating electrical faults or leakage currents.

Additional Information:

• Production Capacity: 5000 / PER MONTH
• Delivery Time: 6 WEEKS

Transformer HV (High Voltage) Bushings are critical components used in transformers to facilitate the connection of high-voltage electrical conductors to the transformer windings. 

An 11 kV transformer bushing is used in electrical systems to provide safe electrical isolation and mechanical support for high-voltage conductors in 11 kV transformers. These bushings ensure that high-voltage electrical connections can be made safely between the transformer and the external power network, while also preventing electrical faults and ensuring the system's reliability.

Uses of 11 kV Transformer Bushings:1. Electrical Insulation

• Purpose: The primary use of an 11 kV transformer bushing is to provide electrical insulation between the high-voltage conductor (carrying the 11 kV) and the grounded transformer body (tank).
• How It Works: The bushing ensures that the electrical energy transmitted through the conductor remains isolated from the transformer tank, preventing short circuits or leakage currents that could cause safety hazards or system failure.

1. Transformer HT (High Tension) Bushings are insulating components designed to safely pass high-voltage electrical conductors through the transformer tank while preventing electrical leakage and ensuring mechanical support. These bushings are typically made of porcelain, epoxy resin, or polymer for high dielectric strength and durability.

Additional Information:

• Production Capacity: 10000 Pieces

Transformer Bushing is an insulating device that allows an electrical conductor to pass safely through the transformer tank or casing while preventing electrical leakage and ensuring mechanical support. Transformer bushings are typically made of porcelain, epoxy resin, or polymer to provide high dielectric strength, durability, and weather resistance.

Transformer LV (Low Voltage) Bushings are designed for applications where voltages are typically below 1 kV. These bushings facilitate the safe passage of low-voltage electrical conductors through the grounded tank or enclosure of a transformer.

Additional Information:

• Production Capacity: 5000/ per Month

Transformer Neutral Bushing is an insulating component that provides a safe passage for the neutral connection of a transformer, preventing electrical leakage and ensuring proper grounding. It is typically made of porcelain, epoxy resin, or polymer materials for durability and electrical insulation.

Additional Information:

• Production Capacity: 10000 Pieces

Porcelain Transformer Bushings are high-voltage insulating components designed to provide a safe passage for electrical conductors through the transformer casing while preventing electrical leakage and ensuring mechanical stability. These bushings are made of porcelain due to its excellent dielectric strength, mechanical durability, and weather resistance.

Additional Information:

• Production Capacity: 10000 Pieces

An 11 kV bushing is a crucial component in electrical equipment, especially in transformers and switchgear, used to manage high-voltage connections safely. It is designed to handle and insulate electrical conductors at 11 kV (kilovolt) levels, ensuring that the system operates safely and efficiently.

Why 11 kV Bushings are Needed:1. Electrical Insulation

• Purpose: The primary function of the 11 kV bushing is to provide electrical insulation between the high-voltage conductor (carrying the 11 kV) and the grounded parts of the equipment (such as the transformer tank or switchgear housing).

Electrical transformer bushings are essential components that provide electrical insulation and mechanical support for the conductors and connections within transformers. These bushings come in various types to meet different voltage and application requirements. The primary types of electrical transformer bushings include:

Dry-Type Bushings:

Resin Cast Bushings: Resin cast bushings use epoxy resin as the insulating material. The resin is cast around the conductor and insulation components to create a solid and durable insulating structure. These bushings do not require oil and are often used in dry-type transformers.

Porcelain Insulated Dry Bushings: These bushings have porcelain insulators but do not require oil for insulation. The porcelain insulator provides electrical insulation without the need for oil filling. Dry porcelain bushings are often used in both dry-type and oil-immersed transformers.

Additional Information:

• Production Capacity: 10000 Pieces

A 12 kV, 2000 Amp anti-fog high-voltage (HV) transformer bushing is typically installed in electrical transformers and electrical equipment where high-voltage connections need to be insulated and supported. The exact location and fixing method depend on the specific design of the equipment and its intended application. Here are some common places where you might find a 12 kV, 2000 Amp anti-fog HV transformer bushing:

1. Power Transformers: These bushings are commonly used in power transformers to provide electrical insulation and mechanical support for the high-voltage connections within the transformer tank. They are typically mounted on the transformer tank itself.

Additional Information:

• Production Capacity: 10000 Pieces