Jiangsu Huachen Transformer Co.,Ltd.
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Our European-style integrated energy storage transformer system is a fully integrated, prefabricated solution purpose-built for utility and commercial renewable energy and battery energy storage system (BESS) projects. This all-in-one system stores clean energy generated from solar, wind, and other renewable sources in battery systems, and inverts and delivers the power to the grid via a three-phase AC step-up transformer when required, solving the core industry challenges of intermittency and volatility inherent to wind and solar power generation.
Engineered for turnkey deployment, the complete system consists of an energy storage converter (PCS), busbar bridge, low-voltage chamber (communication + power distribution), dry-type transformer, high-voltage chamber (equipped with vacuum load switches/circuit breakers), and an all-in-one machine enclosure.. It is the ideal grid connection and power regulation solution for utility-scale renewable farms, commercial and industrial (C&I) energy storage projects, microgrids, and off-grid power systems.
Feature: Fully modular, integrated design consolidates all core power conversion, distribution, transformation, and protection components into a single prefabricated enclosure.
Benefit: Cuts overall footprint by up to 60% compared to traditional split-type PCS and transformer solutions, significantly reducing land acquisition costs for your project and simplifying site planning for space-constrained locations.
Feature: 100% of assembly, wiring, and full-system commissioning is completed in our ISO-certified manufacturing facility, delivered to your project site as a complete, ready-to-install enclosure.
Benefit: Eliminates complex on-site assembly and lengthy field commissioning, slashing project construction timelines by up to 80%, reducing on-site labor costs, and enabling faster grid connection and revenue generation for your project.
Feature: Fully automated system design with remote monitoring and control capabilities, paired with self-diagnostic protection functions.
Benefit: No need for full-time on-site personnel, reducing long-term operation and maintenance (O&M) costs. Simplified equipment servicing and fault localization maximize system availability and minimize downtime for your energy storage asset.
Feature: Premium dry-type transformer as standard, with stable, long-life performance and no oil-based fire risk.
Benefit: Industry-leading fire retardant and flame resistance performance, meeting the strictest fire safety requirements for BESS and renewable energy projects. Eliminates environmental contamination risks, simplifies regulatory compliance, and reduces insurance costs for your project.
Feature: Enclosure fabricated with specialized anti-corrosion, anti-UV coating processes, with a standard IP54 protection rating.
Benefit: Reliable operation in harsh outdoor environments, with exceptional resistance to sand, wind, corrosion, and extreme UV exposure. The system maintains stable performance across diverse climate zones, from desert to coastal locations.
Feature: High-voltage compartment fitted with vacuum load switch or circuit breaker, with full-spectrum protection functions and support for remote operation.
Benefit: Ensures reliable grid connection and full system protection against overcurrent, overvoltage, short circuit, and other grid faults. Remote control capabilities enable real-time grid management and fault response, improving grid compatibility and operational safety for your project.
Parameter Category | Parameter Name | Unit | Standard Value Range |
Basic System Information | Rated Voltage | kV | 12, 24, 40.5 |
Rated Frequency | Hz | 50/60 | |
High-Voltage Short Circuit Performance | HV Circuit Breaker Rated Current | A | 630, 1250 |
HV Switchgear Rated Current | A | 630, 1250 | |
HV Rated Short-Time Withstand Current (4s) | kA | 20, 25, 31.5 | |
HV Rated Peak Withstand Current | kA | 50, 63, 80 | |
HV Rated Short-Circuit Breaking Current | kA | 20, 25, 31.5 | |
High-Voltage Insulation Performance | 1min Power Frequency Withstand Voltage | kV | 35, 50, 70 |
Lightning Impulse Withstand Voltage (Peak) | kV | 75, 125, 170 | |
Enclosure Protection | Ingress Protection Rating | - | IP54 (Enclosure) |
This integrated energy storage PCS & transformer system is engineered to perform across a full spectrum of utility and commercial renewable energy projects, including:
Utility-Scale Solar PV Farms & Wind Farms
Grid-Scale Battery Energy Storage System (BESS) Projects
Commercial & Industrial (C&I) Behind-the-Meter Energy Storage
Remote Off-Grid Power Systems & Island Microgrids
Grid Peak Shaving & Frequency Regulation Applications
Hybrid Renewable Energy Power Plants
Our system is designed to operate reliably in extreme and diverse environmental conditions, with standard compliance for the following parameters:
Ambient Operating Temperature: -40°C to +45°C
Maximum Altitude: ≤4500m (custom high-altitude derating available for elevations above 2000m)
Maximum Outdoor Wind Speed: ≤35m/s
Seismic Resistance: Grade 8
Pollution Degree: Class II, III, IV
We understand that every renewable energy project has unique requirements. Our in-house engineering team provides end-to-end customization services to match your project specifications, including:
Custom rated power and voltage configurations
High-altitude and extreme climate adaptation
Tailored HV switchgear and protection relay configurations
Upgraded corrosion and ingress protection for harsh environments
Custom communication protocols for seamless integration with your BMS and SCADA systems
Enclosure layout and footprint customization for site-specific constraints
Full In-House Manufacturing & Quality Control: Every system is built in our state-of-the-art production facility, with strict ISO-compliant quality testing at every stage of production to ensure long-term reliable performance.
Dedicated Technical & Engineering Support: Our team of power system engineers provides full project support, from initial specification design to on-site commissioning guidance, ensuring seamless integration with your project.
Global Project Experience: Our equipment has been deployed in hundreds of renewable energy projects worldwide, with a proven track record of stable performance in diverse climate and grid conditions.
Full Lifecycle After-Sales Service: We provide comprehensive after-sales support, including spare parts supply, maintenance training, and 24/7 technical support, to protect your asset throughout its operational lifespan.
It is an all-in-one prefabricated solution that combines a power conversion system (PCS), step-up transformer, switchgear, and protection components into a single enclosure, designed to convert, regulate, and step up power from battery energy storage systems for grid connection.
Yes, our integrated system is fully compatible with both grid-tied renewable energy projects and off-grid/microgrid applications, with customizable protection and control functions to match your project’s grid connection requirements.
Yes, the standard system supports altitudes up to 2000m, with fully customized high-altitude derating and adaptation available for elevations up to 4500m.
Ready to find the perfect integrated energy storage PCS & transformer solution for your renewable energy or BESS project? Our technical sales team is ready to provide you with a free, no-obligation custom quote and dedicated project consultation tailored to your exact specifications.
