Model number: CRH8011-630 Maximum DC voltage: 1000Vdc DC operating voltage range: 600~850Vdc Maximum DC current : 1250A     AC phase number: Three-phase three-wire      Rated output power: 630kW Maximum output power : 750kVA Rated grid-side voltage: 380V Allowable grid voltage range: 342~418V Rated output current: 957A Maximum output current: 1150A Rated grid frequency: 50Hz Allowable grid frequency range: 47.5~52.5Hz Power factor: 0.9 leading~0.9 lagging, continuously adjustable Grid-connected current total harmonic distortion rate THD: < 3% ((at rated power)

· Achieve safe and reliable variable frequency power supply for ship surveying.

· The input adopts AFE active rectification design, with a power factor almost close to 1 and low harmonic design, reducing harmonic pollution to the power grid.

· The efficiency of the variable frequency power supply is ≥ 97% (100% load).

· Reverse power suppression technology&heavy-duty design.

· The rectification and inverter unit adopts modular design, which is easy to maintain and highly reliable.

· The internal communication network adopts fiber optic network, which has fast communication transmission speed and strong anti-interference ability.

· Dynamic voltage stabilization function: When the voltage of the power grid fluctuates, internal PID closed-loop control is used to ensure that the output power grid does not fluctuate with the fluctuation of the power grid and does not change with the fluctuation of the load.

OEM Services for New Energy Storage Cabinets: A Key Driver for Energy Transition

Against the backdrop of accelerated global energy transition, new energy storage cabinets, as core equipment for electrical energy storage and management, have witnessed explosive growth in market demand. The OEM (Original Equipment Manufacturing) services for new energy storage cabinets provided by our company have become a crucial link in the energy storage industry supply chain, thanks to our professional technology, efficient production, and flexible responsiveness. We offer highly competitive customized solutions to various enterprises.

I. Core Value and Structural Composition of Energy Storage Cabinets

New energy storage cabinets are integrated electrical energy management units. Their core value lies in addressing the intermittency of renewable energy sources (such as solar and wind energy) and balancing power supply and demand. They can be widely used in households, industrial and commercial sectors, and large-scale power projects, undertaking important functions like load regulation and emergency backup power supply. They are key equipment for improving energy utilization efficiency and power supply stability.

Their basic composition includes four major systems:

Battery System: The core of energy storage, which determines the capacity and endurance.

Electrical Control System: Responsible for power conversion and circuit protection to ensure safe operation.

Thermal Management System: Maintains the stable operating temperature of the equipment through air-cooling or liquid-cooling technology.

Monitoring System: Real-time monitors the operating status to realize fault early warning and remote management.

II. Three Advantages of Choosing Our OEM Services

1. Professional Technology and Controllable Quality

Our company has a team of senior technical professionals who are familiar with various energy storage technical standards and product characteristics. We can provide full-process services from scheme design to finished product delivery, strictly controlling the quality of each process to ensure that product performance exceeds the customer's technical requirements.

2. Cost Reduction, Efficiency Improvement, and Accelerated Market Launch

Enterprises need to invest a huge amount of capital in workshops, equipment, and personnel training to build their own production lines. By choosing our OEM services, customers can significantly reduce raw material and manufacturing costs through large-scale procurement and lean production. At the same time, the product R&D cycle is shortened, helping customers quickly seize the market.

3. Flexible Customization and Rapid Response

In response to the dynamically changing demands of the energy storage market, our company has the ability to quickly adjust production plans. We can flexibly optimize the design scheme according to the customer's personalized needs for load type, electrical parameters, and usage environment, helping customers gain an advantage in market competition.

III. Standardized OEM Production Process

Our company strictly follows four production stages to ensure the quality and efficiency of each energy storage cabinet:

1. Demand Connection and Scheme Design

We communicate in-depth with customers to clarify the purpose, performance indicators, and installation scenarios of the energy storage cabinet. Based on this, we complete the electrical layout design, structural optimization (including the heat dissipation system), and material selection, and output a complete set of executable production drawings.

2. Raw Material Preparation and Precision Processing

High-quality metal plates and electrical components are purchased according to the design scheme. CNC laser cutting machines are used to cut and drill the plates, ensuring that the precision error of parts is less than 0.1mm, laying a solid foundation for subsequent assembly.

3. Sheet Metal Forming and Surface Treatment

The cabinet frame and door panels are processed through stamping, bending, and welding processes to ensure structural strength and stability. After welding, grinding and cleaning are carried out, and the surface is treated with an electrostatic spraying process to improve corrosion resistance and appearance texture.

4. Component Installation and System Commissioning

Components such as circuit breakers and contactors are installed in accordance with the electrical drawings, and wiring is standardized to ensure safety. After assembly, power-on testing is conducted to verify the electrical functions, temperature control effect, and stability of the monitoring system one by one. Only qualified products are allowed to leave the factory.

IV. Industry Technological Innovation and Development Trends

Currently, in the field of OEM new energy storage cabinets, technological innovation focuses on high efficiency, integration, and intelligence:

Integrated Design: For example, the high integration of battery clusters, PCS (Power Conversion System), and BMS (Battery Management System) (referring to Yizhou Energy Storage's 5MWh liquid-cooled system), realizing "one cluster, one management", simplifying the installation process and improving the safety level.

High-Efficiency Heat Dissipation Technology: For industrial and commercial scenarios, a 261kWh liquid-cooled cabinet (with a floor area of only 1.26㎡) has been launched. Equipped with lithium iron phosphate batteries and full silicon carbide power devices, the system efficiency can reach 91%.

Intelligent Early Warning System: The introduction of AI prediction algorithms (referring to Chuangleng Technology's solution), combined with liquid-cooled hybrid heat dissipation technology, can provide early fault warning 48 hours in advance, greatly improving the operational safety and service life of the equipment.

V. Conclusion

Through professional OEM services, our company will continue to be driven by technological innovation to provide efficient and reliable product support for the energy storage industry. In the future, we will further optimize the production process and service system to contribute to the advancement of global energy transition and promote the sustainable development of energy.