10kV Ring Network Switchgear HXGN

Product Overview

The 10kV ring network switchgear HXGN (core model: HXGN15-12) is a fixed high-voltage complete power distribution equipment specially designed for 10kV power distribution networks. It is suitable for power systems with AC 50Hz, rated working voltage of 10kV (rated voltage 12kV), and rated working current of 630A and below. Its core function is to realize the distribution, control, protection and ring network power supply of electric energy. It can be flexibly connected to the ring network or radial power supply network of the power distribution network. As a key node equipment of the power distribution network, it is widely used in 10kV urban power distribution networks, industrial parks, residential districts, high-rise buildings, schools, parks, industrial and mining enterprises, photovoltaic power stations, data centers and public facilities. It undertakes the important tasks of transfer, protection and control of high-voltage electric energy, ensuring the safe, stable and continuous operation of the power distribution network under various working conditions, avoiding power outages caused by equipment failures, and reducing economic losses and operation and maintenance costs.

This product adopts a fully sealed and fully insulated structural design, integrating load switches, fuses, earthing switches and intelligent monitoring units. It optimizes the cabinet layout and insulation performance, and can flexibly configure different functional units (incoming line unit, outgoing line unit, metering unit, PT unit). It has core functions such as short-circuit protection, overload protection, earth protection and fault location, effectively solving the pain points of low reliability, poor insulation performance, inconvenient operation and maintenance, and large floor space of the power distribution network. It realizes the precise control, safe operation and convenient operation and maintenance of the 10kV power distribution network, and is suitable for both outdoor and indoor installation scenarios, meeting the needs of different power distribution network renovation and new construction projects.

The product strictly implements national and industrial standards such as DL/T 404-91 "Technical Conditions for Ordering Indoor AC High-Voltage Switchgear", GB/T 11022-1999 "Common Technical Requirements for Standards of High-Voltage Switchgear and Control Equipment", and GB/T 4208 "Degree of Protection Provided by Enclosures (IP Code)". It has passed CCC and ISO9001 certifications, and selects high-voltage components of domestic first-line brands. The core components adopt vacuum arc-extinguishing technology and environmentally friendly insulation medium. The entire production process is inspected, and the protection level can reach IP30 and above. It has excellent dust-proof, anti-condensation, anti-creepage and anti-small animal intrusion performance, and can serve stably for a long time, meeting the strict operation requirements of high-voltage power distribution equipment for 10kV power distribution networks.

Operating Environment

1.  Ambient temperature: -20℃～+40℃, 24h average temperature ≤+35℃, suitable for most outdoor and indoor power distribution scenarios. It can be customized and adapted under special working conditions of -30℃ to 50℃ to meet the temperature difference needs of different regions. It can realize stable operation in low-temperature environments and normal heat dissipation operation in high-temperature environments, avoiding the decline of insulation performance.

2. Altitude: ≤1000m, directly applicable to conventional scenarios. For special high-altitude areas, the insulation design can be customized and optimized to meet the needs of power distribution networks and photovoltaic power stations in high-altitude mountainous areas, avoiding the impact of high-altitude environments on high-voltage insulation performance.

3.  Relative humidity: ≤90%, daily average not more than 95%, with anti-condensation and dehumidification functions. It can adapt to humid, plum rain seasons and coastal high-humidity environments, avoiding moisture aging, creepage and short circuits of internal high-voltage components, and ensuring the insulation safety and operation stability of the equipment.

4.  Pollution level: Level 2, which can resist outdoor dust, debris and slight pollution. It is suitable for clean indoor installation environments and general outdoor power distribution scenarios. For special industrial pollution and heavy pollution scenarios, it can be customized with enhanced dust-proof, anti-corrosion and anti-pollution designs to adapt to special scenarios such as chemical industrial parks.

5.  Installation inclination: ≤5°, which can be stably installed on the ground, brackets or outdoor prefabricated foundations. It is suitable for standard installation layouts such as outdoor box-type transformers and indoor power distribution rooms, meeting the installation needs of new and renovation projects of power distribution networks, with convenient and stable installation.

6. Environment: Can be installed indoors/outdoors (outdoor installation requires customized protection upgrade). It is free from corrosive gases, conductive dust and flammable and explosive hazards, and can resist slight vibration and wind impact. The overall noise is <50dB, running quietly without affecting the surrounding environment, suitable for unattended power distribution scenarios. It can be used normally in areas with seismic intensity not exceeding 8 degrees.

Technical Parameters

Product Features

1. Fully Insulated and Sealed, Safe and Reliable: Adopting fully insulated and fully sealed structural design, all high-voltage live parts are wrapped with high-quality insulating materials, effectively isolating the intrusion of external dust, condensation, small animals and pollutants, greatly improving the insulation performance of the equipment, avoiding potential safety hazards such as creepage and short circuits. The protection level can reach IP40, and the customized outdoor model can reach IP67, suitable for various complex indoor and outdoor environments; the core arc-extinguishing components adopt vacuum arc-extinguishing technology, with excellent arc-extinguishing performance, reliable opening and closing, no arc leakage, and safe operation. At the same time, it can be equipped with environmentally friendly dry air/nitrogen insulation medium, which is in line with the "dual carbon" goal, replacing traditional SF6 gas, with a leakage rate of less than 0.1% per year, environmentally friendly and safe.

2. Modular Design, Flexible Adaptation: Adopting modular layout, it can flexibly configure different functional units such as incoming line unit, outgoing line unit, metering unit, PT unit and earthing unit, and combine them on demand, adapting to various power distribution modes such as ring network power supply and terminal power supply, meeting the diverse needs of 10kV power distribution network new construction and renovation projects; the cabinet has a compact size and small floor space, saving more than 30% of space compared with traditional switchgear, especially suitable for scenarios with limited space such as residential districts, high-rise buildings and outdoor power distribution nodes, with convenient installation and quick commissioning.

3.   Multiple Protections, Precise Protection: Integrating a complete protection mechanism, it has functions such as short-circuit protection, overload protection, earth protection, over-voltage protection and under-voltage protection. The core components are matched with high-voltage fuses and load switches, which can quickly cut off fault current, prevent fault expansion, and ensure the safety of power distribution network and equipment; it is equipped with mechanical interlocking and electrical interlocking devices to realize the interlocking of opening and closing and earthing switches, avoiding safety accidents caused by misoperation, standardizing the operation process, and greatly improving safety, which is in line with the safe operation requirements of high-voltage power distribution equipment.

4. Intelligent Operation and Maintenance, Convenient and Efficient: Integrating intelligent monitoring unit, standard equipped with RS485/CAN bus interface, supporting Modbus RTU/TCP protocol, it can seamlessly connect to the power distribution automation system, realizing the "three remote" functions (remote measurement, remote signaling, remote control), remotely viewing parameters such as voltage, current, power and equipment operation status, receiving fault alarm and fault location information, facilitating operation and maintenance personnel to quickly troubleshoot problems; the panel is equipped with a high-definition display screen, intuitively displaying equipment operation parameters and fault codes, supporting on-site operation and parameter setting. At the same time, the equipment has a maintenance-free design, greatly reducing the inspection frequency and operation and maintenance costs, and adapting to unattended power distribution scenarios.

5. Excellent Material, Durable: The cabinet is made of high-quality cold-rolled steel plate (complying with GB/T 708 standard), processed by phosphating and electrostatic spraying, with corrosion resistance, rust resistance, wear resistance and high mechanical strength, which can resist slight vibration, wind impact and outdoor harsh environment erosion; internal components are selected from high-voltage components of first-line brands such as Chint and Delixi, with stable performance, low failure rate and excellent insulation performance. The service life of core components is more than 15 years, and the overall service life of the whole machine can reach 20 years, reducing equipment replacement and maintenance costs, and lowering power distribution operation investment.

6. Compliant and Up to Standard, Widely Adaptable: Strictly following national and industrial standards such as DL/T 404-91 and GB/T 11022-1999, passing authoritative certifications such as CCC and ISO9001, the product performance meets the power distribution procurement standards of State Grid, and can smoothly pass the power engineering acceptance; it is suitable for various scenarios such as 10kV urban power distribution networks, industrial parks, residential districts and photovoltaic power stations, and can be used as ring network power supply unit and terminal equipment, undertaking the functions of power distribution, control and protection, adapting to different power distribution architectures and load needs, with strong versatility.

7.  Convenient Operation, Efficient Installation: Adopting manual/electric dual operation mode, the operation is light and flexible, the opening and closing feel is comfortable, and quick opening and closing operation can be realized; the cabinet is reasonably designed, the wiring is standardized, and the wiring is convenient. No complex debugging is required during installation, and installation and commissioning can be completed quickly; it supports parallel combination of multiple cabinets, convenient expansion, no overall transformation, meeting the needs of power distribution network load growth, adapting to power distribution network renovation and upgrading projects, and shortening the project construction cycle.

Core Value

1. Provide a safe and stable 10kV high-voltage power distribution solution to realize the distribution, control and protection of electric energy, ensure the continuous operation of the power distribution network, avoid power outages caused by equipment failures, reduce economic losses, and improve the reliability of power distribution network power supply.

2. The fully insulated and fully sealed design and multiple protection mechanisms greatly improve the safety of equipment operation, avoid potential safety hazards such as misoperation, creepage and short circuits, and ensure the personal safety of operation and maintenance personnel and the safety of power distribution network equipment.

3. Modular and compact design, flexibly adapting to various power distribution scenarios and functional needs, convenient installation and expansion, reducing initial investment and later transformation costs, and adapting to new and renovation projects of power distribution networks.

4.Intelligent monitoring and maintenance-free design reduce operation and maintenance costs, improve operation and maintenance efficiency, realize unattended operation and preventive maintenance of the power distribution network, reduce the workload of manual inspection, and quickly respond to fault handling.

5. Environmentally friendly insulation medium and efficient energy-saving design are in line with the "dual carbon" goal, reduce environmental pollution, and at the same time reduce equipment energy consumption, helping the green and low-carbon transformation of the power distribution network.

6.Comply with national industry standards and power grid procurement specifications, with compliant design, which can smoothly pass the power engineering acceptance, adapt to various 10kV power distribution projects, and help the construction and digital transformation of intelligent power distribution networks.

Our Advantages

1.  Quick selection and quotation, familiar with the needs of 10kV power distribution scenarios, deeply engaged in the R&D and production of HXGN series ring network cabinets. According to the user's power distribution network architecture, load scale and installation environment, we can provide customized solutions to accurately match the needs of different scenarios such as residential districts, industrial parks and photovoltaic power stations.

2. Standardized production, core components adopt vacuum arc-extinguishing technology and first-line brand components, strictly follow national and industrial standards, advanced production processes, full-process quality inspection, and the fastest delivery time is 20 working days, ensuring the construction progress of power distribution network projects.

3. Full-process technical support: installation and commissioning, operation and maintenance training, after-sales maintenance, providing special operation and maintenance guidance for equipment to quickly solve equipment operation and installation problems.

4. Pass authoritative certifications such as CCC and ISO9001, comply with the power distribution procurement standards of State Grid, the product quality is guaranteed, and the operation is stable and reliable. It has been successfully applied in many 10kV urban power distribution, industrial park and residential district projects, with a good reputation.

5. The cabinet size, functional units, protection level, insulation medium and monitoring functions can be customized on demand, with stronger adaptability, meeting various personalized 10kV power distribution needs, and taking into account practicality, safety and economy.

Ordering Guide

Please provide the following information when placing an order:

1. Usage scenario (power distribution network new construction/renovation, residential district/industrial park, etc.), rated voltage, rated current and short-circuit breaking current requirements.

2. Functional unit configuration requirements (incoming line/outgoing line/metering/PT and other units), whether ring network power supply or terminal power supply mode is required.

3.  Installation method (indoor/outdoor), protection level and cabinet size requirements, whether it is necessary to adapt to a specific installation space.

4. Monitoring function requirements (whether remote communication, fault alarm, fault location, "three remote" functions, etc. are required) and operation mode (manual/electric).

5. Usage environment (low temperature/high humidity/high altitude/heavy pollution, etc.) and customized requirements such as insulation medium (environmentally friendly gas/SF6) and redundant backup.