Jiangsu Huachen Transformer Co.,Ltd.
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Our medium voltage AC-DC integrated 1.25MW/2.5MWh energy storage system is an advanced prefabricated energy solution integrating cutting-edge power electronics, electrochemical energy storage, new energy transformer technology, and full-link power system design. Adopting an innovative cabin-level modular design, it realizes a fully integrated structure of boost, power conversion, and energy storage, greatly facilitating transportation and rapid on-site deployment. The built-in cabin-level EMS enables full-dimensional perception of AC-DC conversion, liquid-air heterogeneous intelligent heat exchange, and electrical/non-electrical protection links, with adaptive control based on specific scenarios. This modular integrated energy storage system effectively solves core pain points of traditional energy storage in medium voltage applications.
Medium voltage distribution lines often face single-radiation multi-circuit structures, excessive power supply radius, insufficient grid power transfer capacity, and large-branch power quality issues, which directly undermine power supply stability and reliability. Targeted Solution: Our 1.25MW/2.5MWh medium voltage energy storage system supports direct medium voltage grid connection without extra step-up equipment, providing comprehensive power quality management, voltage regulation, and power transfer support to optimize grid structure and eliminate supply bottlenecks.
Traditional split energy storage requires separate procurement, installation, and commissioning of PCS, transformers, and battery systems, resulting in large floor space, complex on-site construction, long project cycles, and soaring comprehensive costs. Targeted Solution: The all-in-one prefabricated cabin completes 100% factory pre-assembly and pre-commissioning, eliminating complex on-site integration work. It cuts floor space by over 40% compared with traditional split solutions, enabling rapid grid connection and drastically reducing construction and commissioning costs.
Traditional split energy storage has independent control of each link, lacking unified perception and coordinated control, leading to low operation efficiency, difficult fault location, and high potential safety hazards. Targeted Solution: The cabin-level EMS realizes unified monitoring, coordinated control, and full-link protection of the entire system, with intelligent fault identification and rapid response, ensuring safe and stable operation in complex grid environments while reducing O&M workload.
Parameter | Specification |
|---|---|
Rated Active Power | 1.25MW |
Rated Energy Capacity | 2.5MWh |
System Architecture | Medium voltage AC-DC integrated, boost + PCS + energy storage all-in-one design |
Cooling System | Liquid-air heterogeneous intelligent heat exchange |
Core Control System | Cabin-level intelligent EMS |
Grid Connection Voltage | Medium voltage |
Deployment Form | Prefabricated modular cabin |
Enclosure Protection Level | IP54 |
Installation Method | Outdoor floor-mounted, no dedicated computer room required |
All-in-one integrated design for ultra-fast deployment: Factory prefabrication and pre-commissioning cut project delivery cycle by over 60%, realizing plug-and-play grid connection.
Cabin-level intelligent coordinated control: Unified EMS management optimizes system operation efficiency by over 15% via adaptive adjustment to real-time grid conditions.
Direct medium voltage grid access: Integrated boost and power conversion design eliminates extra medium voltage transformer investment, reducing system loss and equipment costs.
High space and cost efficiency: Integrated structure drastically reduces floor space and civil construction investment, adapting to various site constraints.
Medium voltage distribution network optimization and power quality management
Utility grid peak shaving and frequency regulation auxiliary services
Large-scale commercial and industrial (C&I) energy management and electricity cost control
Wind and solar renewable energy grid connection stability control
Emergency power supply for remote areas and heavy-load industrial parks
Our medium voltage integrated energy storage system strictly follows international and domestic industry standards throughout R&D, production and testing. It has passed ISO 9001 quality management system and ISO 14001 environmental management system certifications, and fully complies with IEC 62933 energy storage safety standards, IEC 61439 switchgear standards, and GB/T 36276 electrochemical energy storage standards. Each product undergoes full-load operation testing, insulation testing, and safety function verification before delivery to ensure long-term reliable operation in harsh working conditions.
Whether you need to optimize medium voltage grid operation, reduce large-scale industrial electricity costs, or improve renewable energy grid connection stability, we can provide tailored medium voltage AC-DC integrated energy storage solutions according to your specific project requirements and site conditions.
