What is the Advantage and Disadvantage of glass insulator manufacturer

Advantages:

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1. The glass insulators have higher resistance to breaking comparing to the ceramics and its mechanical compressive strength is 1.5 times higher than ceramics.

2. The electrical resistance is much higher than that of ceramic insulators (between 500 kV/cm and kV/cm).

3. The thermal expansion coefficient of glass insulators is small, and its relative deformation is very low due to temperature variation. Also, glass insulators before cracking are completely crushed, so it is easy to detect faulty insulators on the floor. Contrary to ceramic insulators, any crack or hole created during the manufacturing process is detectable in the glass insulators.

4. Due to transparency, some sun rays pass from the glass insulator, thereby decreasing the degradation of the insulator.

Disadvantages:

1. The mechanical durability of glass insulators against bending forces is slightly less than that of ceramics.

2. With a strong impact all insulators will break.

3. Any impurity in composition or any temperature variations of the environment during storage or operation leads to breaking the insulator.

4. The glass insulators absorb contaminations easier than other types of insulators.

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5. The moisture is easily distilled on the surface of the glass insulators.

Devices used to support and insulate wires are called insulators. The insulator device is made of glass and is called a glass insulator. At present, the most widely used circuit is the tempered glass insulator.

Insulators are usually made of glass or porcelain. It is mainly used to fix the wire on the wire, etc., and insulate the wire with the wire. Insulator is one of the key components of high voltage transmission line, and its performance directly affects the safety of the whole transmission line. Glass insulators are widely used because of their zero-value self-destruction and ease of maintenance.

In the first few years of production and operation, glass insulators were found to have the following series of advantages over porcelain insulators:

Due to the high mechanical strength of the surface of the glass insulator, the surface is not easy to break. The electrical strength of glass usually remains constant throughout the operation, and its aging process is much slower than that of porcelain. Therefore, glass insulators are mainly scrapped due to self-damage that occurs within the first year of operation, but the defects of porcelain insulators are only discovered after several years of operation.

The use of glass insulators eliminates the routine preventive testing of insulators during operation. This is because all kinds of damage to the tempered glass will cause damage to the insulator, which is easy for the operator to find when patrolling the line. When the insulator is damaged, the glass debris near the steel cap and iron foot will become stuck, and the mechanical strength of the rest of the insulator is sufficient to prevent the insulator from breaking. The self-breaking rate of glass insulators is one of the important indicators to measure product quality, and is also the quality basis of current transmission project bid evaluation.

Disadvantages of glass insulators

In terms of their own composition, the raw materials used to make glass insulators are more stable than those used to make electric porcelain, thus creating good conditions for stabilizing the electrical and mechanical properties of glass.

Due to the transparency of the glass, it is easy to find small cracks and various internal defects and damage during exterior inspection.

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