12KV High Voltage Gas Insulated Switchgear

12KV high voltage gas insulated switchgear

Descriptions

In modern power systems, Gas Insulated Switchgear (GIS) plays a crucial role in ensuring the stable transmission and distribution of electric power due to its outstanding performance and reliable quality.

GIS is an advanced equipment that seals high-voltage electrical components, such as circuit breakers, isolation switches, grounding switches, transformers, surge arresters, and busbars within a metal enclosure filled with insulating gas. This unique design provides 12KV high voltage gas insulated switchgear with numerous significant advantages.

Firstly, GIS significantly saves space. In today's urban areas where land resources are increasingly scarce, the size of substations becomes an important consideration. Compared to traditional open-type switchgear, 12KV high voltage gas insulated switchgear 's compact structure allows it to perform more functions in a limited space, providing greater flexibility for the construction of urban power infrastructure.

Its high reliability is particularly noteworthy. The insulating gas creates a stable and clean operating environment for internal components by effectively isolating them from dust, humidity and other contaminants. This enables GIS to operate stably under various harsh weather conditions while greatly reducing the number of faults and power outages caused by environmental factors, thus ensuring the continuity and stability of power supply.

In terms of safety considerations, GIS performs well due to its excellent insulation performance and sealed structure which greatly reduce safety risks such as electric shock or short circuits thereby providing maintenance personnel with a more reliable working environment. Furthermore, the integration of advanced arc-extinguishing technology has made switch operations faster and more reliable further enhancing the overall safety aspect within the power system.

As technology continues to advance, GIS is also constantly developing & improving. The research & application of new insulating gases are expected to further enhance its performance & environmental characteristics. Furthermore, integration of intelligent monitoring & diagnostic technology enables GIS real-time self-monitoring capabilities, enabling early warnings for potential faults thereby providing strong support for intelligent operation & maintenance within the power system.

Working condition

►Altitude: ≤2500m.

►Environmental temperature: -35°~ +45°, maximum daily average temperature difference ≤25°C

►The average daily relative humidity should not exceed 95%, and the average monthly relative humidity should not exceed 90%

►Earthquake resistance: magnitude 8

Product structure Characteristics

The structural characteristics of the 12KV high voltage gas insulated switchgear (GIS) mainly include the following aspects:

1. Compact layout: GIS uses a compact modular design to integrate multiple high-voltage components in a small space, reducing the equipment footprint.

2. Gas insulation: GIS uses sulfur hexafluoride (SF6) or other types of insulating gas as the primary insulating medium, providing high insulation strength, allowing for smaller device sizes and tighter component layouts.

3. Metal closed structure: All high-voltage components are sealed in the metal housing to ensure the safe operation of the equipment and protect the components from the external environment.

4. Low maintenance requirements: Because the components are sealed in a dry and clean gas environment, the maintenance requirements of the GIS are relatively low, extending the service life of the equipment.

5. High reliability: The GIS design reduces the risk of failure caused by environmental factors (such as humidity, salt spray, pollution) and improves the reliability of the equipment.

6. Environmental adaptability: GIS can operate in a variety of environmental conditions, including harsh climates and high altitudes, without compromising its performance.

7. High safety: Due to the closed structure of GIS, it reduces the risk of electric shock and fire, and improves the safety of operation.

8. Easy installation and expansion: GIS is usually assembled and tested in the factory, and then shipped to the site as a whole, simplifying the installation process. In addition, the GIS is designed to allow for easy expansion and upgrading.

9. Integrated control and protection system: GIS is usually equipped with advanced control and protection systems, which can realize remote monitoring and automatic operation.

10. Fault location and isolation: The GIS design allows for fast and accurate fault location and, if necessary, isolation of the fault part to minimize the impact on the power grid.

11. Pressure sealing system: In order to maintain the pressure and purity of the internal gas, GIS has a complex sealing system to prevent gas leakage.

12. Gas monitoring system: GIS is equipped with a gas monitoring system to continuously monitor the pressure and quality of SF6 gas to ensure the insulation performance of the equipment.

13. Compact bus system: The bus system in GIS is compact in design and usually adopts three-dimensional layout to save space.

 Main Technical Parameters

Note:

1) Depends on the rated current of the fuse

2) Limited by high voltage fuses

The XELS-12 SF6 common enclosure gas inflatable cabinet follows the IEC standards IEC 60056, IEC 60129, IEC60298, IEC60420 and IEC60694

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