Modular ups redundancy configuration system and method

By filtering and adjusting parameters in real time, the problem of redundancy mismatch in modular UPS systems under load changes was solved, thus improving system stability and power supply reliability.

CN122437225APending Publication Date: 2026-07-21SHENZHEN LI RUISI ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN LI RUISI ELECTRONICS CO LTD
Filing Date
2026-04-29
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing modular UPS systems are prone to problems such as mismatch between redundant configuration and power supply capacity, frequent module switching, and excessively high load when load changes and module status is inconsistent, which affect system stability and power supply continuity.

Method used

By reading UPS power module and load-side parameters, configurable modules are selected, load demand and actual available capacity are calculated, module quantity is calculated and connection scale is corrected, parallel operation condition verification and redundancy replacement capability verification are established, and module configuration is adjusted in real time to match load changes.

Benefits of technology

It achieves more accurate load demand matching, reduces module switching instability, and improves the adaptability and power supply reliability of modular UPS systems.

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Abstract

The application discloses a modular UPS redundancy configuration system and method, relates to the technical field of modular uninterruptible power supply redundancy configuration and operation control, and aims to solve the problems of inaccurate redundancy configuration, untimely replacement and insufficient switching stability of the existing modular UPS under the conditions of load change and module state fluctuation. The rated power, allowed output current, input and output voltage range, parallel connection access capacity and operation state parameters of a UPS power module are read first, and total active power, apparent power, power factor and loop state parameters of a load are collected. Then, the target access module quantity, working module and redundant module are determined according to the load demand value, actual available capacity of the module and a preset redundancy level. Subsequently, voltage consistency, frequency consistency, phase synchronization, current sharing capacity, redundancy replacement capacity and capacity margin are checked. Finally, module switching, redundancy replacement and reconstruction control are executed, and dynamic optimization of the modular UPS redundancy configuration is realized.
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