Daqo Group

DQM is an independently developed product by Nanjing Daqo Electric. Its performance and technical indicators reach leading domestic levels, with advantages of robust structure, reliable performance, flexible design, and easy operation. It has passed tests such as anti-seismic, internal arc, and salt spray, obtained KEMA international certification and 7500A type test certification. With leading technical parameters, it complies with IEC61439-2 and GB7251.12-2013 standards.

The MODAQO-M modular intelligent low-voltage power distribution system is an independently developed product by Zhenjiang Klockner-Moeller Electric Co., Ltd. It has advantages of flexible design, safety and reliability, easy operation, and cost-effective configuration, complying with standards such as IEC61439 and GG/T7251. It can be used as a power distribution center, motor control center, or centralized power and lighting control system, and is widely applied in fields like energy and power, petrochemicals, industrial and mining enterprises, and commercial buildings.

SIEMENS SIVACON S8 low-voltage switchgear sets industry standards for safe, flexible, and intelligent power distribution. It integrates modular design, premium performance, and reliable quality to deliver stable power support across industrial manufacturing, data centers, commercial buildings, and infrastructure sectors.

The KYN28-12 armored metal-enclosed switchgear is suitable for 3-phase AC 50Hz / 3.6~12kV single busbar and single busbar section power systems. It is used for receiving and distributing electrical energy, as well as controlling, protecting, and monitoring circuits.

Products of the DOC series feature a fully enclosed system, where all live parts and primary equipment are enclosed in a stainless steel housing. The entire switchgear is not affected by the external environment, ensuring operational reliability and personal safety, and achieving maintenance-free product characteristics. It has high current and high breaking capacity. The extended bus adopts fully insulated solid bus, ensuring high reliability and safety. The DQS series switches also offer automated and intelligent solutions for users to choose from, enabling more value-added services for users.

The UR4 medium-voltage switchgear has over 20 years of experience in design, production, and operation. It is the only authorized cabinet type by Eaton in China, with reliable products and complete solutions. The switchgear is equipped with Eaton-branded NVU12 and 150VCP-WG series vacuum circuit breakers. The UR4 medium-voltage switchgear can meet the requirements of China's power grid and overseas markets for medium-voltage switchgear, and is suitable for special performance requirements such as "five preventions", full sealing, full isolation, full insulation, and full working conditions.

The 10kV energy saving SCB series epoxy resin casting dry-type power transformer has a voltage class of 10kV and a maximum capacity of 5000kVA. It is suitable for 3 phase, 50/60Hz power supply systems. It is used for input on the primary side and output on the secondary side of the power grid to realize voltage conversion between the primary and secondary sides.

This product is suitable for new energy power generation systems with 50Hz / 60Hz and voltage below 40kV. The rated capacity of the transformer ranges from 500 to 4000kVA, and it is specially used for power supply and distribution in photovoltaic power plants.

Equipment of the XL-III series compact busway is suitable for various high-capacity power transmission and distribution systems with 3 phase AC 50Hz / 1000V. It has been widely used in fields such as automobiles, industrial and mining enterprises, airports, metallurgy, government agencies, and high-rise buildings.

Steel cable tray can be divided into tray type and ladder type according to their structure. The surface of the tray can undergo anti-corrosion treatments such as hot-dip galvanizing, electro-galvanizing, and electrostatic spraying. Among them, hot-dip galvanized products have characteristics of corrosion resistance, impact resistance, and excellent load-bearing performance, and are suitable for indoor and outdoor use in different environments.

The BGFM non-segregated phase bus duct is used in plant distribution circuits, power transmission between transformers and switchgear in substations, and generator output circuits below 100 MW, as well as their connections to transformers, ensuring the safe transmission of electric power. The product complies with international and domestic standards such as IEEE C37.23 and GB/T 8349.

Solar and wind power generation are developing rapidly worldwide. The AC/DC voltage generated by these new energy sources is boosted to the medium-voltage distribution network voltage. The cubicle type substations designed and manufactured by Daqo can flexibly meet the needs of renewable energy power generation, and have the characteristics of high robustness and internal fault arc testing, providing a more reliable and safer solution for equipment and personnel. New energy box-type substations are widely used in fields such as wind power generation, photovoltaic power generation, and energy storage. Product range: American type substation, Chinese type substation, European type substation, e-house, energy storage integrated machine. They meet the latest IEC/GB standards, with a maximum voltage class of 40.5 kV.

The intelligent integrated terminal is a core device for the new generation of power distribution stations. It adopts the design concept of hardware platformization and software in application, with functions such as edge computing and on-site autonomous decision making, effectively supporting power distribution business, electricity consumption collection business, and new power system business. The terminal adopts industrial grade, modular, scalable, and low-power design standards, adapting to complex operating environments and having high reliability and stability. It is mainly used in 400V low-voltage stations, and is generally installed in JP cabinets, outdoor cubicle type substations, power distribution stations, and other places.

It optimizes the operation mode of the power distribution system, conducts remote fault diagnosis and intelligent operation and maintenance of equipment, improves the efficiency of power distribution operations, and realizes energy conservation and consumption reduction, as well as meeting the "dual carbon" targets.

It is a data collection and processing unit, used for telecontrol applications between various relay protection devices and other intelligent equipment, and remote dispatching centers / centralized control centers.

As an emerging electrical energy storage technology, flywheel energy storage has advantages over traditional chemical energy storage technologies, such as good safety and environmental protection, strong deep charge discharge capability, high number of charge discharge cycles, high frequency modulation performance, wide temperature range, low cost, zero attenuation, zero maintenance, and high accuracy. It holds profound significance for accelerating the demonstration of energy transition and building a new power system. The entire system consists of 4 parts: power control, liquid cooling, flywheel, and braking unit.

The TLEN-C series high-voltage cascaded energy storage system device has leading domestic and advanced international technology. Lithium battery energy storage products take high energy density, long service life, and safety as their core advantages, and the product series are widely used in fields such as power systems, transportation, and industrial production. With mature technology and controllable costs, they are the mainstream solutions in the current energy storage field. The system is composed of a boost cabin, a battery cabin, and an EMS system. The boost cabin includes a high-voltage room, a low-voltage room, a transformer, and a PCS, the battery cabin includes a battery cluster, a fire protection system, a liquid cooling system, and a BMS. In addition, other special energy storage systems can be customized according to customer requirements.

This series of ultra microporous alkaline anion exchange membrane products is prepared based on high-stability polyarylpiperidine polymers, with advantages of high ionic conductivity, strong alkali stability, and high mechanical strength.

DQPRAS is a new set of independently developed products by our company, with leading domestic and advanced international technology. The system comprehensively considers factors such as electrical balance, thermal field balance, and system simplicity, and reasonably divides the silicon cores in the reduction furnace into n groups of circuits, with each group consisting of x pairs of silicon cores. It complies with standards such as GB7251, GB/T14549, and GB/T1102. The system is composed of a PLC control cabinet, a reduction transformer, a reduction furnace power cabinet (integrated with a high-voltage starting module and a high-voltage switching device), and a host computer or DCS. It centrally controls the reduction electrical equipment in local or entire workshops through a communication network, completing the entire process of high-voltage starting and reduction growth of silicon cores. Currently, the company provides main solutions for reduction furnace power supplies, including 30-pair rods, 36-pair rods, 40-pair rods, 48-pair rods, and 60-pair rods. In addition, other special reduction electrical systems can be customized according to customer requirements.

The 1MW marine domestic inverter power supply is specially designed for domestic loads such as marine cabin equipment, communication and navigation equipment, and lighting. It has a rated power of 1MW, adapts to a wide DC input of 600-975Vdc, and outputs an AC voltage of 0-400Vac and an adjustable frequency of 50/60Hz, accurately matching the power supply requirements of domestic equipment. The product has an efficiency of ≥0.97, supports vector control, and supports vector control with high precision in voltage and frequency regulation. It is equipped with overvoltage, overload, short circuit, overheating protection, and anti-condensation functions, operating stably at -10~+40℃, with no power derating within an altitude of 1000m. It adopts forced air cooling and a compact structure, adapting to the narrow space of ships, complying with CCS marine specifications, and providing efficient and reliable guarantee for the daily electricity consumption of ships.

The DQY-CY9200 series charging piles mainly include AC charging piles with three power levels: 7kW, 11kW, and 21kW, and a 60kW AC charging system with one host and six terminals. The products communicate in real time with the station level monitoring center or operation management center through 4G/5G communication networks, and upload real-time charging information.

The DQV series indoor high-voltage vacuum circuit breakers are a new generation of vacuum circuit breakers with internationally leading levels independently developed by the company. They fully meet the requirements of the latest national standards GB/T1984 and DL/T403, and also comply with the international electrotechnical standard IEC62271-100, enabling stable and reliable operation worldwide. The products are widely used in various fields such as power plants, power systems, metallurgy, petrochemicals, environmental protection, rail transit, municipal engineering, and high-altitude areas.