CEEG

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.

Energy Storage
Integrated Step-Up Converter Unit
Energy Storage
Integrated Step-Up Converter Unit
Energy Storage
Integrated Step-Up Converter Unit

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.