Cast Resin Dry-Type Transformer for Energy Storage Systems | High Reliability & Low Loss Power Solution

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Cast Resin Dry-Type Transformer for Energy Storage Systems

The Resin Cast Dry-Type Transformer for Energy Storage Systems is designed for PCS impact conditions and long-duration operation. It delivers stable temperature rise performance, strong short-circuit resistance, and a highly reliable insulation system. Optimized for energy storage containers and integrated step-up systems, it ensures safe and stable operation while significantly reducing maintenance costs.

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CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems (ESS) - Step-up Solution for Battery Storage

Scope of application

Containerized Energy Storage

Designed for high-frequency charge and discharge cycles, with a focus on partial discharge performance and thermal stability.

Containerized Energy Storage

Park-Level Energy Storage

Installed near load centers, emphasizing safety, reliability, and low maintenance requirements.

Park-Level Energy Storage

Wind & Solar Energy Storage Projects

Provides power-side fluctuation smoothing and grid support, ensuring stable and reliable operation for renewable energy integration.

Wind & Solar Energy Storage Projects

Product Description

Product Description

1 Harsh Environment Adaptability: Designed for high humidity, salt spray, and dust conditions, meeting high-level anti-corrosion and protection requirements.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

2 Enhanced Overload & Thermal Shock Resistance: Built to withstand frequent charge/discharge fluctuations in energy storage applications.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

3 Optimized for Harmonic Conditions: Specially engineered for nonlinear loads such as PCS systems, ensuring stable and reliable operation.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

4 Low-Loss Design: Improved efficiency reduces overall system energy consumption and supports energy-saving operation.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

5 Flexible Cabling & Compact Design: Multiple high/low voltage terminal configurations enable flexible layout and easier system integration.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

6 Customizable Parameters: Capacity, voltage, and impedance can be tailored to different system requirements, supporting multi-platform and multi-solution applications.

CEEG Cast Resin Dry-Type Transformer for Energy Storage Systems

Product Features

Low Loss & High Efficiency

-20% No-Load Loss: Lowers no-load loss by 20% compared to stringent national standards.
-10% Load Loss: Reduces operational load loss by 10% for enhanced heavy-duty efficiency.
Eco-Efficiency Compliant: Fully engineered to exceed global eco-design and energy efficiency requirements.

Low Noise & Low Partial Discharge

-10 dB Noise Level: Achieves an operating noise level up to 10 dB lower than stringent national standards.
< 5 pC Partial Discharge: Lowers partial discharge to below 5 pC for unmatched insulation reliability.
Enhanced Reliability: Minimizes electrical aging and stress to significantly extend transformer lifespan.

High-Level “3-Proof” Protection

98% Humidity Resilience: Formulated to withstand extreme environments with excellent resistance to moisture, salt spray, and mold.
Zero Pre-Drying Required: Eliminates the need for tedious pre-drying after long shutdowns to ensure instant, hassle-free restarts.
Downtime & Cost Cut: Minimizes operational delays and labor requirements to significantly reduce maintenance time and cost.

Certified Safety Performance

F1/C2/E2 Certified: Fully passed rigorous F1, C2, and E2 tests for maximum fire, environmental, and thermal shock resistance.
Load Center Ready: Engineered with ultimate safety profiles to allow direct installation at load centers.
Infrastructure Savings: Eliminates the need for long-distance low-voltage cabling to significantly reduce installation and cable costs.

Strong Overload Capability

Class H Insulation: Utilizes premium Class H (180°C) insulation materials to withstand extreme thermal stress.
F-Class Temperature Rise: Engineered with a Class F temperature rise (100K) to ensure a large thermal margin.
Strong Overload Performance: Delivers exceptional heavy-duty resilience for strong and reliable overload performance.

Reliable Protection System

3-Phase Temp Monitoring: Equipped with an advanced three-phase temperature monitoring system for real-time thermal tracking.
Remote Monitoring Ready: Supports seamless data integration to enable reliable remote monitoring capability.
Optional Forced Air Cooling: Offers optional forced air cooling (AF) to ensure stable performance in demanding environments.

Main Parameters

Rated Capacity	1000～7500 kVA
High Voltage	6~35 kV
Low Voltage	0.315, 0.4, 0.55, 0.63, 0.69, 0.72, 0.8, 1.14 kV (customizable)
Impedance Voltage	6%、6.5%、7%、8%
Frequency	50/60Hz
Vector Group	Dy11、Yd11、Dy11y11、Yd11d11
Main Structure	Double-winding or three-winding (split-type)

Implementation Standard

Implementation Standard

GB/T 1094.1 Power Transformers – Part 1: General Requirements

GB/T 1094.3 Power Transformers – Part 3: Insulation Levels, Dielectric Tests and External Clearances in Air

GB/T 1094.5 Power Transformers – Part 5: Ability to Withstand Short Circuit

GB/T 1094.11 Power Transformers – Part 11: Dry-Type Transformers

GB/T 10228 Technical Specifications and Requirements for Dry-Type Power Transformers

GB 20052 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Power Transformers

Technical Advantages

R&D Cloud Platform

R&D Cloud Platform

An integrated digital platform combining electromagnetic optimization design, parametric modeling, performance analysis, structural optimization, and automatic drawing generation. It enables transformer design resource sharing and efficient data management, including search, modification, and version control.

Simulation Analysis

Simulation Analysis

Comprehensive multi-physics simulation covering fluid flow, thermal field, electric field, leakage magnetic field, transient processes, and short-circuit forces. Each transformer series is optimized through thermal and flow analysis to accurately control winding temperature rise and hotspot distribution, ensuring reliable and stable performance.

Smart Operation & Maintenance Platform

Smart Operation & Maintenance Platform

By collecting key data such as temperature, current, voltage, vibration, and grid harmonics, the system enables real-time power quality analysis and fault alarms. It also supports mobile access for remote monitoring and intelligent O&M management.

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