Energy Storage Integrated Step-Up Converter Unit
The integrated energy storage step-up conversion unit integrates the energy storage PCS, step-up transformer, and switchgear within a container, supporting voltage classes of 6–35kV with single-unit capacity up to 10MW. With C5 anti-corrosion rating and strong environmental adaptability, it significantly simplifies system configuration, installation, and commissioning. Compared with conventional solutions, this integrated design lowers investment costs, streamlines operation and maintenance, and delivers more obvious economic benefits.
Product Introduction
Key Specifications
Rated Power Range
500kW ~ 6300kW
Rated voltage, low-voltage side
0.27kV / 0.4kV / 0.69kV
Rated voltage, high-voltage side
10kV / 35kV
Frequency
50Hz / 60Hz
Cooling Method
Forced Air Cooling or Natural Cooling
Applications
Commercial and industrial energy storage
Park-level energy storage stations, focusing on simplified configuration and quick installation
PV and energy storage projects
Renewable energy plant-side energy storage, emphasizing environmental adaptability and grid-connection capability
Grid-side services
Ancillary services such as peak shaving and frequency regulation, focusing on large capacity and high reliability
Product Overview
- Highly integrated: inverter, step-up, and power distribution in one unit, factory-commissioned to reduce on-site workload
- Easy transport and installation: compact container-type structure, convenient for transport and hoisting, adaptable to various sites
- Strong environmental adaptability: weather-resistant, corrosion-proof enclosure with thermal insulation and fireproof design for harsh climates
- More flexible configuration: multiple solution combinations and systematic packages for different scenarios to meet diverse needs
Product Features
High Safety
Cast-resin dry-type transformers offer excellent flame retardance, eliminating the risk of fire and explosion.
Economic advantages
Compared with the traditional 'inverter room + photovoltaic prefabricated substation' solution, it saves 15%~20% of investment cost and cuts installation and commissioning time by 50%.
Efficient Heat Dissipation Design
The optimized ventilation and heat dissipation system effectively improves cooling performance, ensuring stability and efficiency during long-term operation.
Long Service Life
Rational material selection and structural design reduce equipment wear and ensure long-term reliable operation, thereby lowering maintenance costs.
Faster deployment
Integrated step-up, conversion, and distribution functions reduce footprint and on-site wiring, shortening delivery cycles
Intelligent O&M
Supports data acquisition and alarm linkage for more efficient condition monitoring and fault location, easier O&M
Standards and certifications
GB/T 19939-2005
Grid-Connection Technical Requirements for Photovoltaic Systems
GB/T 50063-2017
Electrical Design Code for Power Installations
GB/T 4208-2017
Enclosure Protection Rating (IP Code)
GB/T 10228-2015
Technical Parameters and Requirements for Dry-Type Power Transformers
GB/T 15576-2008
Low-voltage switchgear and controlgear assemblies
Technical Advantages
R&D cloud platform
Integrates electromagnetic optimization design, parametric drawing, performance analysis, structural optimization, and automatic drawing output for transformers, enabling shared transformer design resources and search, modification, and version control of all kinds of data.
Simulation Analysis
Flow field, temperature field, electric field, leakage magnetic field, wave process, and short-circuit force. The R&D and design of every product series are verified through flow field and temperature field simulation analysis to determine the winding average temperature rise and hot-spot temperature, ensuring product performance.
Smart O&M platform
By collecting key data such as transformer temperature, current, voltage, vibration, and grid harmonics, it enables online power quality analysis and fault alarms, and can be installed on mobile phones.





