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What is SBMS in High-Voltage Lithium Battery Systems?

Apr , 03 2026

Functions, Working Principles & Best Practices As high-voltage lithium battery systems continue to dominate applications such as UPS backup power, data centers, and energy storage systems (ESS), the importance of a reliable control system becomes critical. The SBMS (System Battery Management System) acts as the “brain” of the battery system — responsible for safety, performan...

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UPS Power Failure: Causes, Troubleshooting & How to Prevent It

Apr , 11 2026

UPS power failure is one of the most critical risks in data centers, telecom systems, and industrial facilities. However, most UPS failures are not caused by equipment defects — they are the result of incorrect selection, improper operation, poor environment, or lack of maintenance. In this article, we analyze the most common UPS failure causes and provide practical UPS troubleshooting solut...

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Ensuring Safe and Reliable Operation of DC Power Systems

Apr , 16 2026

Ensuring Safe and Reliable Operation of DC Power Systems In modern substations and industrial power systems, DC power panels play a critical role in supplying uninterrupted power to protection relays, automation devices, RTUs, emergency lighting, and circuit breaker control mechanisms. Any failure in the DC system may directly affect system protection and operational safety. Therefore, system...

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Where Are Industrial Frequency Battery Chargers Used in Metro Systems?

Apr , 16 2026

In a metro system, many critical devices operate behind the scenes. One of them is the DC battery charger. It charges backup batteries during normal operation and supplies DC power when the grid fails. Although high-frequency chargers are smaller and more efficient, industrial frequency (SCR-based) chargers are still widely used in metro systems. The reason is simple: rail infrastructure prioritiz...

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