Energy Storage Converter Step-up Integrated Machine Standard

This document specifies the enterprise standard Q/TB J31.600803.02—2023 for energy storage converter step-up integrated machines, issued by Tianjin TBEA Transformer Co., Ltd. It covers terms and definitions, service conditions, enclosure structure, main equipment, performance parameters, tests, nameplate marking, transportation, installation, and operation maintenance. The standard applies to integrated machines for power energy storage systems with voltage levels up to 35kV and capacities up to 3450kVA. Key components include power converters, step-up transformers (dry-type), high-voltage and low-voltage switchgear, and controlgear. Normal service conditions are defined for outdoor enclosures, indoor switchgear, and converters with specific temperature and humidity ranges. The document references national standards such as GB/T 34120 and GB/T 17467, ensuring compliance with power quality and safety requirements. It is drafted by the R&D Center and approved by the company, with first issuance in September 2023.