12kV XGN15-12 DF Configuration Ring Main Unit
Our 12kV XGN15 - 12 "DF" Configuration Ring Main Unit is a sophisticated and reliable electrical distribution solution engineered to meet the diverse needs of modern power systems. The XGN15 - 12 is available in various configurations such as DF, CC, CCC, CCCC, FCC, CCF, CCCF, CCCCF, CF, CFC, CCFF, CCCFF, CFFC, CCVV, among others. In this description, we will focus on the DF configuration. However, each of these configurations is designed to meet different requirements in power distribution systems, with variations in the combination of load break switch units, fuse - load break switch combination units, voltage transformer units, and other components.
1. Innovative Design and High - Tech Components
Understanding the Unit Notations
D (Load Break Switch Unit): The "D" represents a load break switch unit. This component is specifically designed for the smooth and efficient switching of normal load currents. It features a robust contact system that can endure frequent on - off operations with minimal wear. This ensures reliable performance across various load conditions, making it highly suitable for routine power distribution tasks. For example, in a typical power distribution network, the load break switch can be used to connect or disconnect electrical loads during normal operation, such as turning on or off a feeder line supplying power to a group of consumers.
F (Fuse - Load Break Switch Combination Unit): The "F" stands for a fuse - load break switch combination unit. This unit provides an additional layer of protection. In the event of an over - current or short - circuit, the fuse within the unit quickly blows, interrupting the faulty current flow. This not only safeguards the electrical equipment downstream but also helps prevent widespread power outages. The fuse - load break switch unit also incorporates a built - in monitoring system that can detect abnormal current levels and provide early warnings. For instance, in an industrial setting, if a large motor experiences a short - circuit, the fuse in the "F" unit will rapidly cut off the current, protecting the motor and other connected equipment from damage.
C (Load Break Switch Unit - for Consistency): In some configurations where "C" is used, it also refers to a load break switch unit, similar to the one denoted by "D". The use of different notations in the combinations might be a matter of specific product coding or to distinguish between different types or arrangements of the same basic load break switch unit. It serves the same function of normal load current switching, but its position or specific application within a particular combination can vary. For example, in a complex power distribution network, multiple load break switch units (denoted as "C" or "D") might be used in different sections of the network to control the flow of power to different areas or types of loads.
Load Break Switch and Fuse - Load Break Switch Combination
Load Break Switch (D): The load break switch unit in the DF configuration is designed for smooth and efficient normal load current switching. It features a robust contact system that can handle frequent on - off operations with minimal wear. This ensures reliable performance in various load conditions, making it suitable for routine power distribution tasks.
Fuse - Load Break Switch (F): The fuse - load break switch combination unit provides an added layer of protection. In the event of an over - current or short - circuit, the fuse quickly blows, interrupting the faulty current flow. This not only safeguards the electrical equipment downstream but also helps prevent widespread power outages. The fuse - load break switch unit also has a built - in monitoring system that can detect abnormal current levels and provide early warnings.
Voltage Transformer Unit (V)
The "V" in some configurations may represent a Voltage Transformer Unit. This unit is essential for measuring the voltage in the electrical system. It steps down the high - voltage levels in the power network to a lower, more manageable level for accurate measurement and for providing input to protection and control devices. For example, in a power distribution network, the voltage transformer unit helps in monitoring the voltage quality at different points, ensuring that the power supplied to consumers is within the acceptable range.
2. Sturdy Build for Durable Performance
Robust Enclosure
The entire ring main unit is housed in a high - quality metal enclosure. This enclosure is designed to provide excellent protection against dust, moisture, and other environmental factors. It has a high - grade powder - coated finish that enhances its corrosion resistance, ensuring long - term durability even in harsh industrial or outdoor environments. The enclosure also meets strict IP (Ingress Protection) standards, providing reliable protection against the ingress of foreign objects and water.
Stable Mounting Structure
The unit is equipped with a stable mounting structure that allows for easy and secure installation. Whether it's mounted on a wall, pole, or in a switchgear room, the mounting structure ensures that the ring main unit remains firmly in place. The structure is also designed to withstand vibrations and mechanical shocks, further enhancing the reliability of the unit.
3. Exceptional Electrical Performance
Rated Voltage and Current
With a rated voltage of 12kV, this XGN15 - 12 DF configuration is well - suited for use in most medium - voltage power distribution systems. It can handle rated currents up to [specific value], ensuring stable power supply under normal operating conditions. The unit is also designed to handle voltage fluctuations within the acceptable range of the power grid, maintaining consistent performance.
High - Performance Protection
The combination of the load break switch and the fuse - load break switch in the DF configuration offers high - performance protection. The fuse has a fast - acting response time, capable of cutting off short - circuit currents in milliseconds. This protects the power system from the potentially damaging effects of short - circuits, such as equipment overheating and fire hazards. The load break switch also contributes to the overall protection by safely interrupting normal load currents.
4. Versatile Applications
Power Distribution Networks
In power distribution networks, the XGN15 - 12 DF configuration can be used at various points, such as distribution substations, feeder lines, and at the connection points of different electrical equipment. It plays a crucial role in ensuring the reliable distribution of electrical power, protecting the network from faults, and maintaining the quality of the power supply.
Industrial and Commercial Installations
For industrial plants and commercial buildings, this ring main unit provides a reliable solution for power distribution and protection. In industrial settings, where there are high - power electrical loads and strict safety requirements, the DF configuration can effectively protect expensive machinery and equipment from electrical faults. In commercial buildings, it ensures a stable power supply for lighting, HVAC systems, and other electrical appliances, minimizing downtime and enhancing operational efficiency.
The 12kV XGN15 - 12 DF Configuration Ring Main Unit combines innovative design, high - tech components, and exceptional electrical performance. It is a reliable and efficient choice for power distribution and protection in a wide range of applications, meeting the demands of modern power systems.
Technical Specification PN-XGN12/24 Switchgear
| Rated voltage |
kV |
12 |
24 |
| Frequency |
Hz |
50/60 |
50/60 |
| Lightning impulse withstand voltage |
Phase to phase, phase to earth |
kV |
75 |
125 |
| Fracture |
kV |
85 |
145 |
| 1 min Power frequency withstand voltage |
Phase to phase, phase to earth |
kV |
42 |
65 |
| Fracture |
kV |
48 |
79 |
| Rated frequency |
Hz |
50/60 |
50/60 |
| Rated current |
Main bus |
A |
630 |
630 |
| Branch bus |
A |
630 |
630 |
| Short time withstand current |
Main circuit |
kA |
20/3S |
20/3S |
| Earthing circuit |
kA |
20/2S |
20/2S |
| Rated withstand current (peak) |
kA |
50 |
50 |
| Rated transfering current |
A |
1700 |
870 |
| Protection level |
Ip2x |
| Load break switch mechanical life |
Times |
2000 |
3000 |
| Earthing switch mechanical life |
Times |
2000 |
2000 |
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