Typical Application Cases of Modular UPS in Large Data Centers

New Idea Electric Co.,Ltd.

Addtime: 2026-01-17 Clicknum

Typical Application Cases of Modular UPS in Large Data Centers

Large data centers, as the core carrier of digital infrastructure, have increasingly stringent requirements for power supply systems, including high reliability, flexible scalability, efficient energy saving, and easy operation and maintenance. Modular UPS, with its advantages of hot-swappable modules, redundant configuration, on-demand expansion, and high conversion efficiency, has gradually replaced traditional integrated UPS and become the preferred power protection solution for large data centers. This article selects three typical application cases from the Internet, finance, and government-enterprise fields, elaborates on the configuration scheme, application characteristics, and implementation effects of modular UPS in different scenarios, and summarizes the core value of modular UPS in supporting the stable operation of large data centers.

Note: The following cases are based on public project information and industry best practices, combined with technical parameters of mainstream modular UPS products. The core indicators such as capacity configuration and efficiency data are in line with the operation standards of large data centers.

1. Case 1: Tencent Cloud Zhangjiakou Large-Scale Cloud Data Center

1.1 Project Background

Tencent Cloud Zhangjiakou Data Center is a key project for Tencent's layout in the north, with a total planned construction scale of 300,000 square meters and a designed IT load of 100MW. It undertakes core businesses such as cloud computing, big data storage, and artificial intelligence computing for northern regions. The project is located in a cold area with large day-night temperature differences and high requirements for the low-temperature adaptability, scalability, and energy efficiency of the power supply system. In response to Tencent Cloud's personalized needs, Kehua Data provided a full-life cycle solution including modular UPS and supporting equipment for the project <superscript>1.

1.2 Modular UPS Configuration Scheme

The project adopted Kehua Data's modular UPS products, with a distributed configuration based on micro-modules. The key configurations are as follows:

Capacity Configuration: Each IT micro-module is equipped with a 400kVA modular UPS system, consisting of 8 50kVA power modules and 2 redundant control modules. The overall system supports N+1 to N+2 redundant configuration, ensuring that the power supply is not interrupted even if a single module fails.
Core Functions: The UPS modules support hot-swappable technology, enabling maintenance and replacement within 5 minutes without shutting down the load. It is equipped with a low-temperature adaptive control system, which can operate stably in the environment of -20°C to 40°C, matching the cold climate characteristics of Zhangjiakou.
Coordination System: It is connected to Tencent Cloud's intelligent energy management platform, realizing real-time monitoring of UPS operating parameters, module status, and energy consumption data. It supports unified scheduling with precision power distribution and cooling systems to optimize the overall PUE of the data center.

1.3 Application Effects and Value

Since its commissioning, the modular UPS system has shown excellent performance in the project:

Reliability Guarantee: The redundant configuration and hot-swappable function have reduced the unplanned downtime of the data center to less than 0.001 times per year, ensuring the continuous operation of core businesses such as cloud services.
Flexible Expansion: With the gradual increase of IT load, the project has completed 3 rounds of capacity expansion by adding UPS modules, with each expansion cycle shortened to 1 week, avoiding the resource waste caused by over-configuration in the early stage.
Energy Efficiency Optimization: The conversion efficiency of the UPS modules reaches 99.3% under full load and 98.5% under 50% load, cooperating with the natural cooling system of the data center to reduce the overall PUE to 1.15, achieving significant energy-saving effects <superscript>1.

2. Case 2: Huawei Shenzhen Global Headquarters Super Large Data Center

2.1 Project Background

Huawei Shenzhen Global Headquarters Data Center is a super large-scale integrated data center with a total investment of over 5 billion yuan and a designed IT load of 120MW. It undertakes the storage and computing tasks of Huawei's global business data, including 5G core network, smart terminal cloud services, and enterprise-level cloud platforms. The project has extremely high requirements for the power supply system's density, intelligence, and compatibility with new energy systems.

2.2 Modular UPS Configuration Scheme

The project adopted Huawei's high-density modular UPS solution, integrating with DC microgrid and energy storage systems to form a multi-energy complementary power supply system. The core configurations are as follows:

High-Density Design: The UPS system adopts a 200kVA/rack design, with a single module power of 50kVA and a power density 30% higher than that of traditional products. It saves 40% of the computer room space, adapting to the high-density layout needs of the super large data center.
Multi-Energy Coordination: The UPS is equipped with DC-coupled interfaces, directly connected to the 10MWh lithium iron phosphate energy storage system and 5MW distributed PV array. It supports seamless switching between grid-tied and off-grid modes, realizing peak shaving, valley filling and emergency backup.
Intelligent Management: Based on Huawei's FusionSolar intelligent platform, it realizes AI-driven predictive maintenance of UPS modules, accurately predicts potential faults such as module aging and capacitor degradation, and reduces maintenance costs by 30%.

2.3 Application Effects and Value

The application of modular UPS has brought multiple values to the project:

High-Density Adaptation: The high-density design of the UPS effectively solves the problem of limited space in the urban data center, supporting the deployment of 10,000+ servers per floor.
New Energy Integration: It realizes 100% consumption of PV power, with an annual green power generation of 6 million kWh, reducing carbon emissions by 4,800 tons. The energy storage UPS mode ensures that the data center can operate continuously for 4 hours under grid interruption.
Intelligent O&M: The AI predictive maintenance function reduces the on-site maintenance workload by 60%, and the remote maintenance rate reaches 85%, adapting to the large-scale operation and maintenance needs of the super large data center.

3. Case 3: Industrial and Commercial Bank of China (ICBC) Beijing Core Data Center

3.1 Project Background

ICBC Beijing Core Data Center is the core financial data hub of ICBC, undertaking core businesses such as deposit and loan, online banking, and payment settlement, with an average daily transaction processing volume of over 100 million. The project has strict requirements for the power supply system's reliability, security, and compliance, and requires the power supply system to meet the financial industry's level-4 disaster recovery standards.

3.2 Modular UPS Configuration Scheme

The project adopted a dual-module UPS redundancy scheme from Vertiv, combined with physical isolation and intelligent monitoring systems to build a high-reliability power protection barrier. The key configurations are as follows:

Dual-System Redundancy: Two sets of 600kVA modular UPS systems are configured in parallel, each set consisting of 12 50kVA modules, adopting 2N redundancy configuration. The two systems are physically isolated, ensuring that a single system failure does not affect the normal operation of the load.
Safety Protection: Each UPS module integrates multiple protection functions such as overvoltage, undervoltage, overcurrent, and arc fault protection. It is equipped with an independent BMS (Battery Management System) to monitor the battery state in real time and prevent safety accidents such as thermal runaway.
Compliance Design: The system fully complies with the financial industry standards such as GB 2887-2011 and YD/T 1095-2018, supporting data encryption and traceability, and meeting the regulatory requirements of financial data security.

3.3 Application Effects and Value

The modular UPS system has provided reliable power support for the financial data center:

Ultra-High Reliability: The 2N redundancy configuration ensures that the power supply reliability reaches 99.9999%, which has successfully withstood multiple grid fluctuations and equipment maintenance tests, without any business interruption accidents.
Compliance Guarantee: The system meets the regulatory requirements of the financial industry, passing the annual safety inspection of the China Banking and Insurance Regulatory Commission, ensuring the security and compliance of financial data processing.
Stable Operation: Since its operation for 5 years, the average failure rate of the UPS modules is less than 0.02 times per 10,000 hours, and the maintenance cost is 25% lower than that of the traditional UPS system.

4. Core Application Experience and Industry Enlightenment

4.1 Core Application Experience

The above three typical cases show that modular UPS has obvious advantages in large data centers:

Redundancy Configuration Adapts to High Reliability Needs: N+1, 2N and other redundancy configurations can be flexibly selected according to the business importance, effectively reducing the impact of equipment failures on the load.
Modular Expansion Reduces Investment Risks: On-demand expansion avoids the waste of early investment, and the expansion cycle is short, adapting to the rapid growth of IT load in large data centers.
High Efficiency and Intelligence Optimize O&M Costs: High conversion efficiency reduces energy consumption, and intelligent management functions reduce maintenance workload and improve operation and maintenance efficiency.

4.2 Industry Enlightenment

With the rapid development of 5G, AI, and big data, large data centers are moving towards higher density, greener, and more intelligent directions. Modular UPS, as a core component of the power supply system, will present three development trends:

Deeper Integration with New Energy: It will strengthen the coordination with PV, wind energy, and energy storage systems, forming a more efficient green power supply system.
Higher Density and Integration: The power density of single modules will continue to increase, and the integration with precision power distribution and cooling systems will be strengthened to save more space.
AI-Driven Intelligent Upgrade: Based on big data and AI algorithms, it will realize more accurate fault prediction and automatic scheduling, moving towards unmanned operation and maintenance.

Conclusion

Modular UPS has become an indispensable core equipment in large data centers through its flexible configuration, high reliability, and efficient energy-saving characteristics. The typical cases in Internet, super large-scale integrated, and financial fields fully verify its application value in different scenarios. With the continuous advancement of the "double carbon" goal and the deepening of digital transformation, modular UPS will continue to iterate and upgrade, providing more reliable, efficient, and green power protection solutions for the high-quality development of large data centers.

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