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Huawei Digital Power's Achievement in BESS Safety

In recent developments, Huawei Digital Power has made significant strides in the energy sector with its innovative Full-Lifecycle Safety Quantitative Assessment System for Battery Energy Storage Systems (BESS). This cutting-edge system has been highly regarded by the China Electricity Council following rigorous evaluations conducted in collaboration with leading industry partners. The commendation highlights the technological advancements made to enhance the safety standards of energy storage systems, not just within China, but on a global scale.

The recognition stems from a comprehensive technical appraisal conducted by a panel of esteemed industry experts, including Professor Ouyang Minggao from Tsinghua University and other prominent figures from national power grids and research institutes. Their unanimous endorsement underscores how Huawei's innovative approach addresses critical safety issues that have historically plagued the BESS sector.

Overview of the Assessment System

The Full-Lifecycle BESS Safety Assessment System is designed to pinpoint and categorize safety risks associated with battery storage systems. It employs a quantitative method that classifies risks into three distinct levels: A (Unacceptable), B (Manageable), and C (Acceptable). Each level comes with specific failure rate requirements, allowing for a systematic evaluation and prioritization of safety measures.

• - Level A identifies severe risks that can lead to catastrophic safety incidents if not managed adequately.
• - Level B encompasses high-risk scenarios that necessitate mitigation through ongoing product design improvements and the introduction of advanced technologies.
• - Level C indicates manageable risks, where proactive measures can prevent significant adverse outcomes.

By employing this sophisticated framework, Huawei aims to revolutionize safety in large-scale BESS applications.

Innovative Technologies Driving Safety

The system’s success can be attributed to several pioneering safety technologies developed during the project:
1. Intelligent Active Safety Warning Technology: This high-precision system utilizes a dual-decoder architecture to maintain an impressive recall rate of over 95% for failure predictions, enhancing operational safety.
2. High-Pressure Oxygen Blocking Technology: This innovation introduces a battery design that is highly heat resistant, capable of withstanding elevated pressures without the risk of combustion, even under extreme failure conditions.
3. Dual-Level Conversion Architecture: Designed to ensure stable power delivery during voltage surges, this technology protects the integrity of both the energy storage system and the grid.
4. Real-Time Detection for High-Temperature Insulation: Employing advanced technologies to monitor insulation integrity minimizes the risk of arc ignition, creating safer operational environments for energy storage systems.

Global Applications and Future Prospects

Huawei's methodologies and technologies have already been integrated into several large-scale projects worldwide, including notable energy storage facilities in China, Uzbekistan, and Saudi Arabia's microgrid aimed at achieving 100% renewable energy targets.

Professor Ouyang has acknowledged this initiative as a pioneering milestone in safety assessment methodologies within the industry, significantly contributing to advancing the overall safety of BESS. The systems developed offer considerable economic, social, and practical prospects, reinforcing their position at the apex of technology innovation in energy storage.

As Steven Zhou, President of the Smart PV ESS Product Line at Huawei Digital Power, indicated, the coming years will be essential for the transition of solar, wind, and energy storage technologies into mainstream energy sources. The support of various stakeholders across the sector is crucial to fostering standards, sharing technology, and building collaborative ecosystems.

Huawei Digital Power is committed to working alongside industry partners to promote large-scale, standardized advancements in energy technologies, driving the adoption of sustainable energy solutions that bridge gaps in global energy accessibility.