CEEG
Addresses energy storage grid connection and voltage step-up needs, improving power conversion efficiency and system stability

Wind-solar-storage transformer solutions

The CEEG energy storage industry solution focuses on energy storage scenarios, effectively improving the stability of power output and helping energy storage customers enjoy more economical, greener, and more efficient energy.

Highly integrated, highly adaptable power system solutions for renewable energy and energy storage scenarios

Renewable power generation is characterized by volatility, intermittency, and strict grid-connection requirements, and energy storage systems must play a key role in grid peak shaving, power smoothing, reactive power compensation, and adaptation to complex environments. For wind-solar-storage scenarios, CEEG provides integrated energy storage step-up converter units, dedicated energy storage transformers, and system integration solutions.

The solution supports standalone energy storage, wind-solar-storage integration, microgrids, and other application scenarios, covering engineering consulting, design, system integration, and station-level monitoring to help customers achieve fast installation, stable operation, and integrated delivery.

New energy power system challenges

Grid-Side Challenges

High volatility of renewable generation affects grid stability

Growing peak-shaving pressure on the grid demands greater regulation capability

Growing demand for source-grid-load-storage coordination

Strict grid-connection standards for distributed power sources

Equipment-Side Challenges

Harsh operating environments (high temperature, high humidity, salt spray, etc.)

Complex load characteristics (intermittent and random)

Severe harmonic pollution that shortens equipment service life

Difficult maintenance, high reliability requirements

New energy power system solutions

Integrated energy storage step-up and conversion unit series

  • Integrates transformers, converters, and other core equipment
  • Container-style structural design
  • No special lifting tools required; easy to transport and hoist
  • Integrated turnkey project delivery
  • High voltage side 6-35kV, low voltage side 0.315-0.69kV
  • Single-unit capacity up to 6.8mw
  • Flexible choice of oil-immersed or dry-type to meet different scenario needs
Integrated energy storage step-up and conversion unit series

Dedicated energy storage transformer series

  • Customized for energy storage application scenarios
  • Innovative structural design with advanced manufacturing processes
  • Ensure high reliability and high efficiency
  • Multiple options including oil-immersed, open-type, and epoxy resin dry-type, suitable for all kinds of energy storage systems
Dedicated energy storage transformer series

System Application Solution

  • Supports standalone energy storage systems, wind-solar-storage integrated systems, microgrid systems, and more
  • Supports peak shaving and valley filling, reactive power compensation, renewable power smoothing, and other grid functions
  • One-stop services covering engineering consulting, design, system integration, and station-level monitoring
System Application Solution

Customer Value

Complete equipment integration, turnkey project

Reduce system integration difficulty

Factory prefabrication, rapid on-site installation

Shorten project delivery cycles

Built for Harsh Environments

Adapt to complex outdoor conditions

Enabling Peak Shaving and Valley Filling

Increase energy storage regulation revenue

Strong harmonic adaptability for a more stable system

Improve system operation quality

Intelligent monitoring, maintenance-free design

Reduce later operation and maintenance pressure

Partnering with leading industry customers to build critical digital infrastructure

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Consultation Process

01

Needs Assessment

We discuss project type, capacity, voltage class, application, installation environment, and delivery milestones to define basic requirements.

02

Parameter Confirmation

Load characteristics, energy efficiency class, cooling method, protection requirements, interface conditions, and applicable standards are confirmed as technical inputs.

03

Solution Sign-Off

Confirms product selection, technical solutions, drawings, test requirements, and commercial terms to advance contract signing.

04

Production Scheduling

Design, procurement, manufacturing, in-process inspection, and factory testing are organized per the confirmed technical documents to keep delivery on schedule.

05

Shipment and Delivery

Handles packaging, protection, logistics shipping, and delivery documentation handover, supporting on-site acceptance and equipment positioning.

06

Installation Service

Installation and commissioning, operation guidance, O&M recommendations, and after-sales response support long-term stable equipment operation.

We can customize a dedicated power solution for you