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China factory - East Union Energy (Shenzhen) Technology Co., Ltd.

East Union Energy (Shenzhen) Technology Co., Ltd.

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  3. Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V
China Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V
China Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V

  1. China Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V
  2. China Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V
  3. China Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V

Photovoltaic Prefabricated Substation Solar Power Transformer Substation 850V

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Rated Grid Voltage 6kV/10kV/35kV
Communication Protocol Modbus RTU/Modbus TCP/IEC104/IEC61850
Transformer Type Dry‑type/Oil‑immersed Transformer
Payment Terms L/C,T/T,DDP,DDU
Maximum DC Bus Voltage 850V / 1500V
LV/MV Voltage 0.4/ (6‑35) kV / 0.69/ (6‑35) kV
Protection Rating IP54
DC Voltage Operating Range 580V~850V / 1000V~1500V
Rated Power 1000kW - 6250kW
Packaging Details Different packaging methods are adopted according to different modes of transportation
Product Name Photovoltaic Prefabricated Substation
Place of Origin China
Brand Name EUE Power

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Product Specification

Rated Grid Voltage 6kV/10kV/35kV Communication Protocol Modbus RTU/Modbus TCP/IEC104/IEC61850
Transformer Type Dry‑type/Oil‑immersed Transformer Payment Terms L/C,T/T,DDP,DDU
Maximum DC Bus Voltage 850V / 1500V LV/MV Voltage 0.4/ (6‑35) kV / 0.69/ (6‑35) kV
Protection Rating IP54 DC Voltage Operating Range 580V~850V / 1000V~1500V
Rated Power 1000kW - 6250kW Packaging Details Different packaging methods are adopted according to different modes of transportation
Product Name Photovoltaic Prefabricated Substation Place of Origin China
Brand Name EUE Power
High Light Photovoltaic prefab substation ，1500V prefab substation ，850V prefabricated substation

850V 1500V Photovoltaic Prefabricated Substation for Solar Power Plants

 

The Photovoltaic Prefabricated Substatio serves as the power unit of the energy storage system. It seamlessly integrates two key functions: PCS and booster transmission. By storing and releasing electrical energy on demand, it balances the supply and demand of the power system, enhances stability and reliability, improves overall sustainability, and reduces the peak-to-valley difference.

System Stability: Balances supply and demand effectively.
Integrated Design: Combines PCS and booster transmission in one unit.
Sustainability: Improves overall energy efficiency and reduces peak-to-valley differences.
 

Structural Features

  • Containerized system integrated with energy storage PCS
  • Step-up transformer
  • High-voltage RMU
  • Low-voltage distribution cabinet and other equipment

Performance Advantages

  • Energy Storage Converter PCS: Mounted on a robust skid base, this AC/DC conversion unit acts as the primary interface for battery charge and discharge control. Comprising a bidirectional DC/AC converter, advanced control logic, and filter circuits, it executes operational commands to manage DC-side battery flows while precisely regulating active and reactive power on the AC grid side.
  • Step-Up Transformer Cabin: The integrated cabin houses a transformer compatible with voltage levels up to 35kV for electrical energy steping up low-voltage output from the PCS to meet high-voltage transmission or load requirements. The system features comprehensive monitoring capabilities, supporting both local and remote integration.
  • Integrated System: The cabin is equipped with an emergency lighting system, fire suppression system, access control, and cooling mechanisms. Fireproof partitions within the enclosure effectively ensure the safe and reliable operation of the integrated step-up cabin.
  • Optimized Footprint & Design: The integrated design significantly reduces the footprint required for installation. Compared to traditional decentralized setups, it consolidates complex circuits and components within a single cabin. This minimizes interconnection cabling and line losses while creating a compact, cohesive system that allows for streamlined layout optimization in space-constrained environments.
  • Peak Shaving and Load Leveling: The system enables energy storage and release in response to grid load fluctuations to achieve effective peak shaving. During peak demand, the energy storage system discharges to alleviate grid pressure; during off-peak periods, it absorbs surplus electricity. This prevents system overloads and maintains overall grid stability.
  • Grid Stability Enhancement: The system improves grid frequency and voltage stability. In the event of significant fluctuations, the energy storage device can promptly discharge or store energy to maintain grid operation within reasonable parameters.
  • Emergency Backup Power Supply: In the event of sudden grid failures or outages, the energy storage system can instantly switch to backup mode. It provides a continuous, stable power supply to critical loads, ensuring the uninterrupted operation of essential facilities.

Product Photos

New Energy Box-type Substation-1.png

Technical Parameters

Parameters 850V 1500V
DC Side Parameters Maximum DC Bus Voltage 850V 1500V
Maximum DC Side Current 1147A*2 1147A*4

1935A*2 1935A*2 2500A*2/1935A*4 1935A*4
DC Voltage Operating Range 580V~850V 1000V~1500V
Number of DC Input Circuits 2 4 1/2 2 2 2 2/4 4
AC Side Parameters Rated Power 1000kW 2500kW 2500kW 3150kW 3450kW 5000kW 6250kW
Branch Power * Quantity 500kW*2 630kW*4 2500kW*1 1250kW*2 3150kW*1 1725kW*2 2500kW*2 1250kW*4 1563kW*4
Maximum Output Power 1100kW 2750kW 2750kW 3465kW 3795kW 5500kW 6250kW
Isolation Method Transformer Isolation
Reactive Power Range 0~1050kvar 0~2625kvar 0~2625kvar 0~3308kvar 0~3623kvar 0~5250kvar 0~6250kvar
Rated Grid Voltage 6kV/10kV/35kV
Grid‑connected Operation Parameters Rated Grid Frequency 50Hz/60Hz
Total Current Harmonic Distortion Rate < 3%
Power Factor -1~1
Rated Capacity 1000KVA 2500KVA 2500KVA 3150KVA 3450KVA 5000KVA 6250KVA
Transformer Parameters Transformer Type Dry‑type/Oil‑immersed Transformer
LV/MV Voltage 0.4/ (6‑35) kV 0.69/ (6‑35) kV
No‑load Loss Compliant with National Standards
Load Loss Compliant with National Standards
No‑load Current Compliant with National Standards
Impedance Compliant with National Standards
System Parameters Permitted Ambient Temperature -30℃ to +60℃ (Derating above 40℃) -30℃ to +60℃ (Derating above 45℃) -30℃ to +60℃ (Derating above 50℃)
Permitted Relative Humidity 0~100%
Permitted Altitude <5000m (Derating above 2000m) <5000m (Derating above 3000m) <5000m (Derating above 4000m)
Protection Rating IP54
BMS Communication Interface RS485
EMS Communication Interface Ethernet
Communication Protocol Modbus RTU/Modbus TCP/IEC104/IEC61850
Compliance with Standards GB/T34120,GB/T34133,GB/T36547
Grid Support High/Low Voltage Ride‑Through (HVRT/LVRT), Frequency Regulation, Voltage Regulation, Grid‑Forming Function, etc.
Overall Dimensions
Depending on Specific Configuration
Weight
Depending on Specific Configuration
 

About EUE Power – Your Trusted Power Distribution Equipment Manufacturer

EUE Power is a China-based manufacturer specializing in power distribution equipment and energy storage products for global industrial, commercial, and renewable energy applications.


With professional manufacturing capabilities and OEM/ODM support, EUE Power supplies reliable power distribution products including distribution transformers, compact substations, switchgear, UPS systems, and battery energy storage systems.


Our factory combines engineering expertise, strict quality control, and flexible production capabilities to meet different market requirements worldwide.


Whether you are looking for a reliable distribution transformer supplier, compact substation manufacturer, switchgear supplier, or energy storage equipment partner, EUE Power provides dependable products and professional support.


Partner with EUE Power for:

  • Stable manufacturing quality 
  • Customized OEM/ODM services
  • Competitive factory pricing
  • International export experience
  • Professional technical support


EUE Power — Reliable Power Equipment Manufacturer for Global Markets.

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    11

  • Total Annual:

    200000m²-200000m²

  • Employee Number:

    15~20

  • Ecer Certification：

    Verified Supplier

About Us East Union Energy (Shenzhen) Technology Co., Ltd., referred to as EUE Power, is a Shenzhen-based international enterprise specializing in power distribution and energy storage solutions. EUE Power integrates R&D, manufacturing, sales and international trade, supply chain services, and p... About Us East Union Energy (Shenzhen) Technology Co., Ltd., referred to as EUE Power, is a Shenzhen-based international enterprise specializing in power distribution and energy storage solutions. EUE Power integrates R&D, manufacturing, sales and international trade, supply chain services, and p...

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Get in touch with us

  • Reach Us
  • East Union Energy (Shenzhen) Technology Co., Ltd.
  • Room 1102 Block A, Building 6, Exhibition Bay Zhonggang Plaza, Zhanjing Rd 83, Fuhai Sub-district, Bao'an District, Shenzhen, China 518103
  • https://www.euepower.com/

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