AI Intelligent Computing Center (AIDC) The power consumption of a single cabinet is higher than that of traditional cabinets IDC 4～8kW surge to 40～120kW, GPU Cluster hasPulsed, Severe fluctuation loadfeature; Tradition「Centralized power frequency UPS + lead-acid battery」The architecture occupies a huge amount of land, Insufficient response, Poor magnification performance, Can only be used as a passive backup, Unable to adapt to shortcomings such as elastic computing power. High rate lithium iron phosphate battery with a new generation of bidirectional modularization UPS, It's not just a simple battery replacement, But to promote the four major changes in the power supply system: Layered backup architecture, Integration of AC and DC routes, UPS Upgrade from emergency power supply to global energy storage node, The power supply system is transitioning from rigid static to flexible elastic, Thoroughly reconstruct from the power grid to GPU The complete power chain of the chip. Doledly Dongchi is a brand under Guangdong Beineng New Energy Co. , Ltd, Guangdong Beineng New Energy Co. , Ltd. was established in 2021 year, It is a company that integrates research and development, Production, sales, A professional manufacturer and service provider specializing in integrated data center services business, It is one of the world's most powerful integrated computer room equipment manufacturers .

1. 1, Mismatch of load characteristics
   AI Training task load in a short period of time 30%→150% Drastic jump; Lead acid batteries have a common discharge rate≤0. 5C, Insufficient instantaneous high-power output capability, Extremely prone to voltage drop, GPU downclocking, Training task interrupted.
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3. 2, The spatial contradiction is irreconcilable
   Lead acid has low energy density, The battery room occupies a large area of the computer room; In high-density intelligent computing scenarios, Each square meter of computer room is prioritized for deploying computing power servers, The huge opportunity cost between batteries is highlighted.
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5. 3, Poor lifecycle economy
   Lead acid cycle life is only 300～500 time, 3～5 The entire group must be replaced annually; Data center design lifespan 10～15 year, at least 2 Next large-scale battery replacement, Overlay operation and maintenance, Temperature control cost, TCO Continuously rising.
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7. 4, single-function, only "Power outage safety net"
   Traditional one-way UPS Only responsible for fault backup; Unable to participate in smoothing power grid fluctuations, Peak and valley arbitrage, Consume photovoltaic green electricity, Long term idle energy storage assets.
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9. 5, Rigid expansion mode
   centralized UPS It must be constructed at once according to the long-term peak value; AI Staged production of computing power, Tidal fluctuations in computing power, A large number of equipment were unloaded in the early stage, Low asset utilization rate.
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two, lithium battery UPS Bring about a leap in underlying capabilities: The core differentiation advantages of lithium batteries compared to lead-acid batteries (Intelligent computing scenario)

Mainstream solution: High rate lithium iron phosphate (LFP)

shortcoming: Initial CAPEX higher; Safety control of lithium electric heating out of control, The fire protection plan requires significantly higher requirements than lead-acid.

• Eliminate large power frequency machines, Fully adoptedSiC High frequency modular bidirectional lithium battery UPS; N+X Hot swappable redundancy, Staged construction of computing power, On demand expansion;
• Cancel the independent battery room, Lithium battery cabinet and UPS Placed side by side, Shorten the DC cable, Reduce line losses;
• Bidirectional topology: When the mains power is normal, it can be used as an energy storage system to participate in grid interaction, No longer just waiting for power outages.
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Regarding power grid flashover, Short term voltage disturbance, Compensate for concentration UPS Switching gaps, Smooth the overall power impact of the cluster, Reduce the upstream transformer and UPS Peak Capacity Configuration.

• reduce AC/DC Multiple transformation losses; Significant reduction in current of equal power, Save copper materials, Reduce line heating;
• Direct parallel connection of lithium batteries to DC bus, omit UPS Inverter link, Simplified architecture, Reliability improvement; Core Conclusion: Regardless of communication UPS Architecture or high-voltage direct current architecture, All energy storage carriers will be electrified with lithium; Lithium batteries are no longer attached UPS host, Gradually becoming independent, Standardized energy storage units that can be flexibly connected to AC/DC busbars.
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Fundamental changes: Energy storage is a cost item, Transforming into generating electricity revenue, Optimizing capacity allocation of operational assets.

1. deployment mode: prefabrication, modularity, Container type lithium battery UPS
   The traditional on-site construction cycle is several months; Lithium battery modular system factory pre integration (UPS + lithium battery + firefighting + BMS Integrated pry block) , Quick on-site assembly, match AI Request for rapid project launch.
2. Capacity design logic innovation
   Traditional design: According to the maximum peak value of a single cabinet × Total number of cabinets configuration UPS Capacity;
   New Paradigm: Relying on instantaneous power support from lithium batteries, Design the main circuit according to the average load, Lithium battery hedge instantaneous peak value, Reduce the transformer, UPS installed capacity, Implement "Capacity reduction construction" .
3. Intelligent global collaborative operation and maintenance
   UPS Monitoring System + BMS Battery Management System + Connect the computing power scheduling platform:
   AI Algorithm predicts battery degradation, Risk of thermal runaway; Dynamically adjust battery charging and discharging strategies based on computing task scheduling; Implement predictive maintenance, Replace manual regular inspections.
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1. safety risk: Prevention and control of lithium electric thermal runaway in high-density computer rooms
   The computer room is sealed, Equipment intensive, The risk of lithium battery fire and diffusion is higher than in ordinary scenarios; Need to be matched with liquid cooling temperature control, Specialized lithium battery fire protection, Cabin fire separation, Raise initial investment.
2. The standard system has not been fully unified yet
   800V HVDC, rack-mounted BBU, Bidirectional lithium battery UPS Domestic and international standards are still iterating, Difficulty in interconnecting devices from different manufacturers.
3. Initial investment pressure
   The procurement cost of lithium batteries is higher than that of lead-acid batteries; Higher short-term capital investment, The project must be based on5～10 Annual full lifecycle TCO modelPerform calculations.
4. Controversy over the Application of Tiered Batteries
   Industry discussion on retired power batteries for new energy vehicles UPS Backup power, But consistency, safety responsibility, Overseas Certification (UL, EU Battery Regulations) Restrict large-scale promotion.
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1. short-term (1～3 year)
   New large and medium-sized construction AIDC lithium battery UPS Penetration rate continues to rise; Modular lithium battery for communication UPS and 800V HVDC Parallel development; "Concentrated lithium battery UPS + end BBU" Layered power supply scheme has become a mainstream design template.
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3. mid-term (3～5 year)
   UPS Continuous blurring of boundaries with energy storage inverters; Guangshu Zhirou has landed on a large scale in the intelligent computing park; Deep lithium battery energy storageParticipate in virtual power plants, demand response; Sodium ion batteries form a supplement in low to medium power backup scenarios.
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5. forward
   solid-state battery, supercapacitor + Lithium hybrid energy storage is gradually being piloted; Further simplification of power supply architecture, Ultimately forming a power grid — DC bus — distributed energy storage — Minimalist power link with computing power load.

AI The load characteristic revolution brought by computing power, Forcing the paradigm shift of data center power supply architecture. lithium battery UPS Not just upgrading battery materials, It achieves three major reconstructions: