Specification
| Rated Voltage(kV) |
252 |
| Shed No. |
26/25 |
| Creepage Distance(mm) |
8070 |
| Main Dimensions(mm ) |
H |
2600 |
| D |
550 |
| h1 |
2125 |
| d1 |
290 |
| d2 |
370 |
| d3 |
140 |
| d4 |
200 |
| d5 |
470 |
| Weight(kg) |
363 |
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 Cable Termination Porcelain Bushing?
Cable Termination Porcelain Bushing is a necessary accessory designed to provide dielectric protection as well as mechanical support to electrical cables and conductors at a point that it interfaces with specific electrical equipment or when transitioning from outdoor to indoor or vice versa. It is normally manufactured from porcelain material which is very efficient in the provision of insulation as well as resistance to harsh weather conditions. The bushing makes the electrical connection safe by guarding against leakage currents and also provides a place where the cable gets connected to high-voltage units such as transformers or circuit breakers among others. Consequently, its design enables it to meet the mechanical stress and electrical insulation necessary for high-voltage systems and therefore is so critical in enhancing system reliability and performance. The porcelain sheath not only offers electrical insulating properties but also offers mechanical protection to the cable and all the equipment connected to it from the environment such as moisture, dust, and extreme temperatures making the electrical installation more durable and safe.
Features
- High Dielectric Strength
The most vital property of porcelain is that it offers better electrical insulation as compared to other electrically insulating materials and is therefore well suited for high voltage electrical equipment in which it can withstand high electric fields without undergoing dielectric breakdown.
- Durability in Harsh Environments
This cable bushing is very immune to weathering, moisture, and extreme temperatures hence can be used outdoors in testing conditions.
- Mechanical Strength
Porcelain is quite rigid and possesses a carrying capacity of mechanical stress. Thus, porcelain is ideal for contributing mechanical support for cables when they are either to be installed in the vertical orientation or arranged horizontally.
- Low Maintenance Requirements
Generally, it does not need frequent maintenance as compared to other materials like resin or composite bushings; they are less prone to contamination and degradation.
- Thermal Stability
It retains its insulation as well as mechanical strength even when exposed to high temperatures which are important in utilization in high voltages.
Benefits
- Enhanced safety
This electrical cable bushing lowers the chance of electrical failures by offering adequate insulation and shielding components and engineers from electrical mishaps.
- Long service life
These make it have a long durability by resisting environmental factors hence can be used for many years before getting a replacement.
- Cost-effectiveness
Although the cost of this material may be slightly higher than those of other types of materials, it has a long life span and requires little maintenance when in use, meaning that it will not be costly in the long run to undertake its maintenance.
- Compatibility with high-voltage applications
It is capable of handling high voltage levels and more preferable for transmission and distribution networks.
- Improve system reliability
This is because insulation and control of electrical leakage are effective in the enhancement of the overall capability of the power grid hence reducing the probability of system failures.
- Environmental protection
Porcelain is a non-degradable material that releases no toxic fumes or hazardous compounds into the environment; therefore, the use of porcelain for power infrastructure is considered sustainable.
Maintenance Tips
- Regular visual inspection
Carry out a simple visual check for signs of damage such as cracks or chips in the insulation or even the presence of contaminations such as dirt or droppings from birds in the area.
- Clean the surface
It is also required to clean the porcelain surface clearly from dirt, dust, or any contaminants since they may make the surface conduct and affect the insulating property of the bushing. Nonslip cleaner should be used and it is also recommended that the bushing should not be moist before re-energization.
- Monitor leakage current
Measure leakage current regularly to detect any degradation of the insulation layer. An abnormal increase in leakage current may indicate the need for maintenance or replacement.
- Check for moisture intrusion
Make sure no moisture penetrates the bushing, especially around the cable termination point. Moisture can degrade insulation performance and cause electrical failures.
- Test insulation resistance
Physically check the insulation resistance of the bushing with a megohmmeter (insulation resistance tester) to determine if the electrical insulation capability is still ok, then perform this at a set frequency or time.
- Monitor mechanical integrity
Check on other mechanical parts of the insulating bushings like the clamps and seals and confirm whether they are well fixed or not and if they are strong enough. Slack bar connection can result in vibration as well as putting mechanical pressure on the bushing.
Certificate
Factory
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