Specification
| Rated Voltage(kV) |
252 |
| Shed No. |
25/24 |
| Creepage Distance(mm) |
6800 |
| Main Dimensions(mm ) |
H |
2300 |
| h1 |
140 |
| h2 |
140 |
| D |
480 |
| d |
265 |
| d1 |
455 |
| d2 |
455 |
| n-d3 |
18-φ18 |
The table above is just one of our product parameters. If you want more information, please get in touch with info@wishpower.net
What is Instrument Transformer Porcelain Bushing?
Instrument Transformer Porcelain Bushing serves the purpose of a crucial component in Instrument Transformers. They are used both for electrical and mechanical sheltering of conductors whereby these conductors penetrate a earthed shield. The material used for the bushing which is porcelain has a high dielectric strength coupled with a great ability to withstand high voltages in electrical systems. This bushing enables the safe flow of electrical current from one terminal of the transformer to another terminal while at the same time providing adequate insulation and protection against electrical discharges and short circuits. The porcelain structure which usually has ribs or sheds hampers moisture, pollution, and dust from penetrating the bushing thus increasing the overall reliability and performance of the bushing even under unfavorable weather conditions. It also has a contribution in giving support to the transformer, particularly in the mechanical aspect. This they argued makes it possible to withstand both electrical and mechanical stress hence the stability of the transformer and efficiency during operations for long periods.
Why use it?
Instrument Transformer Bushing helps to insulate the conductors through which high-voltage electrical currents flow to avoid electrical discharges or short circuits in between the conductor and other grounded parts. This is important to help reduce any occurrence of danger while at the same time helping the transformer work properly.
Second, porcelain bushing has very good insulation characteristics against external conditions such as moisture, pollution, and fluctuating temperatures which are very harmful to transformer performance. The peculiar fact that they can have ribs or sheds contributes to sheltering water and contamination, decreasing the opportunity for flashover and preserving insulating properties at the same time.
Further, the bushing also plays the mechanical function of supporting the conductor of the transformer so that it does not exert pressure on other parts within the transformer thereby causing mechanical stress. This mechanical stability helps in the enduring performance of the transformer as it should remain undisturbed for several years especially where there is a high voltage system that undergoes both electrical and mechanical stress. Applying it to an instrument transformer will help to achieve these benefits as it enables it to work for longer hours without failure hence increasing the life of the equipment.
Benefits
- High insulation performance:
Porcelain is an insulating material par excellence, which offers high rugged shielding against high voltage discharge and short circuits. This prevents short-circuiting of electricity when the transformer is transmitting electricity to another circuit.
- Durability and weather resistance:
This Porcelain Bushing is highly resistant to the aggressiveness of the environment in terms of moisture, dust, pollution, and changes in temperature among others. Their ribbed or shed-like design aids in the discharge of water and debris lessen the probability of flashover, and sustain its performance either outdoors as well as under extreme weather conditions.
- Mechanical stability:
It serves to give the exact mechanical strength needed to secure the conductors adequately and assist in relieving mechanical loads throughout assisting in improving the transformer’s mechanical design.
- Long life:
They are more durable in construction to allow them to handle electrical as well as mechanical stress for a long time hence reducing the frequent maintenance or replacement of the transformer.
- Cost-effective reliability:
This characteristic makes a transformer valuable in providing a cost-effective solution in containing downtime and reducing maintenance, yet ensuring the reliability and operational safety of the transformer in extreme conditions.
Market Trends
With the continuous increase in energy demand worldwide, the requirement for effective power structures is equally increasing. Instrument transformers that are required for the determination of metering and observation of high voltage apparatus use porcelain bushings for dependable and effective performance. This is particularly crucial as those parts of the world that are today trying to modernize their power networks are focusing on the Asia Pacific region, North America, and Europe. Porcelain bushing in transformers is widely used in the construction of transformers due to its sturdy nature and impact on safety and subsequently, it has led to an increase in its market.
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