XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU
XGN15 High Voltage Air Insulated SF6 RMU

XGN15 High Voltage Air Insulated SF6 RMU

The RMU is generally divided into air insulated and SF6 insulated types. XGN15 indoor fixed type SF6 RMU uses SF6 switch as its main switch, and air insulation is used for the entire cabinet. lt is suitable for 10kV distribution systems in factories,enterprises, residential districts, high-rise buildings.mines and ports. And it can be combined into ring network system used for power supply and distribution of three-phase AC ring network, biradial power supply unit or line terminal,receiving, distributing and controlling electric power, and protecting the safety operation of electrical equipment.

Product Description

Product Overview:

The XGN15 high voltage air insulated SF6 Ring Main Unit (RMU) is designed for use in medium voltage electrical distribution systems. It provides reliable and efficient protection, control, and distribution of electrical power. This RMU is ideal for applications in urban and industrial power grids, ensuring the safety and stability of the electrical network.

Structural Features:

  1. Air Insulated Design:
    • Utilizes air insulation combined with SF6 gas to provide high dielectric strength and arc quenching capabilities.
  2. Compact and Modular:
    • Features a compact, modular design that allows for easy installation and integration into various switchgear configurations.
  3. SF6 Gas Insulation:
    • The use of SF6 gas ensures excellent insulation properties and reliable arc extinguishing performance.
  4. High-Quality Construction:
    • Built with robust materials to withstand harsh environmental conditions and mechanical stress, ensuring long-term durability.
  5. Interlocking Mechanism:
    • Equipped with reliable interlocking mechanisms to prevent incorrect operations and enhance safety.

Installation Method:

  1. Site Preparation:
    • Ensure the installation site is clean, dry, and free from dust and other contaminants.
  2. Mounting:
    • Securely mount the RMU on a stable and rigid surface using the provided mounting brackets and hardware.
  3. Electrical Connections:
    • Connect the incoming and outgoing cables to the designated terminals, ensuring tight and secure connections. Follow the wiring diagram provided with the RMU for correct electrical connections.
  4. Grounding:
    • Ensure proper grounding of the RMU to prevent electrical hazards. Connect the grounding terminal to the panel or switchgear’s grounding busbar.
  5. Testing:
    • After installation, perform insulation resistance and continuity tests to ensure proper installation and functionality. Verify the operation of the RMU by performing open and close operations several times.

Applicable Environmental Conditions:

  1. Temperature Range:
    • Operating temperature: -25°C to +40°C
    • Storage temperature: -30°C
  2. Altitude:
    • Suitable for altitudes up to 1000 meters.
  3. Humidity:
    • Daily average relative humidity: ≤95%
    • Monthly average relative humidity: ≤90%
  4. Water Vapor Pressure:
    • Daily average: ≤2.2×10³MPa
    • Monthly average: ≤1.8×10³MPa
  5. Seismic Resistance:
    • Capable of withstanding earthquakes with a grade less than Degree 8.
  6. Air Quality:
    • The ambient air should not be significantly polluted by dust, smoke, corrosive or flammable gases, vapors, or salt.

Model and meaning

Specifications

Content Unit Value
Rated Voltage kv 12 24 36
Rated Frequency Hz 50/60
Rated Current A 630
Max. rated Current of Fuse A 125
Rated Short-circuit Breaking Current kA 31.5(Fuse Group)
Rated Peak Withstand Current kA 50
Rated Short-time Withstand Current(4s) kA 20
Rated Short Circuit Making Current kA 50
Grounding Loop

 

Rated Short-time Withstand Current(2s) kA 20
Rated Peak Withstand Current kA 50
Power Frequency Withstand Voltage in 1 min

 

Phase.Earthed kv 42 52 80
Isolating Fracture kV 48 58 85
Lightning Impulse Withstand Voltage(Peak)

 

Phase.Earthed kV 75 110 170
lsolating Fracture kV 85 120 180
Rated Active Load Breaking Current A 630
Rated Closed Loop Breaking Current A 630
Rated Cable-charging Breaking Current A 10
Rated Transfer Current A 1750
SF6 Gas Pressure(Relative Pressure at 20℃) MPa 0.045
Internal Arc Duration Test(0.5s) kA 31.5
Mechanical Life

 

Load Switch Times 5000
Earth Switch Times 2000
Degrees of Protection IP IP4X
Operation Mode - Manual/Electric

Product Advantages

  • 1. Modular design. Each unit module can be combined and extendedarbitrarily, which is easy to schemes combination, with a wide applicable
  • 2. The armored structure is used for the cabinet. And each compartment isseparated to the other one by metal partition board.
  • 3. The corrosion resistant metal is used for the operating mechanism, and bearings of rotating parts are all self-lubricating bearings.The product will not be affected by the environment, thus exempting from regular
  • 4. In order to adapt to the power grid automation and improve the reliability ofpower distribution, the electric drive mechanism, control terminal unit of power distribution network and other equipment can be added. Thus, it possesses telemetering, remote signaling and remote control systems.
  • 5. The cabinet is compact design, using three-positions rotary load switch.which effectively reduces the number of components and parts,and realizes the five-preventions interlocking.
  • 6. The simulated single line diagram of primary circuit and analog displaycan display the internal conditions of the switch, so that the operation can be simple,correct and safe.
XGN15 High Voltage Air Insulated SF6 RMU

Application Places

The XGN15 type AC high-voltage sulfur hexafluoride ring switchgear is a robust and reliable solution for power distribution systems, widely implemented across various sectors including industrial and mining enterprises, high-rise buildings, residential communities, and educational institutions. Its compact design allows for efficient space utilization in urban environments, while its high-voltage capacity and use of SF6 as an insulating medium ensure it can handle the demands of heavy-duty power distribution. The ring switchgear plays a critical role in maintaining a stable and secure power supply, facilitating both ring grid power supply and terminal distribution. Its safety features protect against electrical faults, and its design ensures operational safety and ease of maintenance. Furthermore, the ring switchgear’s compatibility with existing infrastructure allows for seamless integration into a variety of electrical systems, contributing to the overall resilience and efficiency of power distribution networks.

Packing

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Faq

  • 1. What appearance information and accessories does Switchgear factory have?

    1.Packing list
    2.Qualification certificate and routine test report
    3.Operation manual
    4.Electric drawings
    5.Manualfor main components
    6.Keys for switchgear doors, operating handle and spare parts specified in contract.

  • 2. What types of environments is the XGN15 RMU suitable for?

    The RMU is designed to operate in environments with an altitude up to 1000 meters, ambient temperatures ranging from -5 to +40 degrees Celsius, and relative humidity with daily and monthly averages not exceeding certain limits. It is also suitable for areas with seismic intensity up to 8 and free from intense vibrations, chemical corrosion, and explosive hazards.

  • 3. What are the main features of the XGN15 RMU?

    The XGN15 RMU is a compact and flexible switchgear that incorporates air insulation and uses SF6 as the main switching medium. It is equipped with multiple interlocks and can be integrated with various components like electric actuators, potential transformers (PTs), current transformers (CTs), uninterruptible power supplies (UPS), and fault testing units (FTU) for use in automated distribution network systems.

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