Can multiple systems operate in parallel?

Yes. The system supports multi machine parallel operation and redundant configuration for higher reliability and flexible capacity expansion.

What cooling methods are available?

FGI BESS supports both air cooling and water cooling solutions depending on project requirements and environmental conditions.

How does FGI BESS perform in weak grid conditions?

FGI BESS supports weak grid applications with SCR adaptation range from 1.1 to 20 and maintains stable operation during voltage and frequency fluctuations.

What protection functions are included?

The system includes short circuit protection, over current protection, islanding protection, over voltage and under voltage protection, communication protection, and cooling system fault protection for safe and reliable operation.

Customizable Cascaded Energy Storage System for Utility Scale Integration

Name: Customizable Cascaded Energy Storage System for Utility Scale Integration
Brand: WindSun Science & Technology CO.,Ltd.
SKU: 2167900562

Shandong, ChinaWindSun Science & Technology CO.,Ltd.

US$23,000.00-990,000.00

1 Set

Product profile

Customization

Available

Application

Utility Scale Energy Storage / Renewable Integrati

Installation

Standard Container (20ft/40ft)

Model NO.

FGESS-C2M/4M-35

Energy Capacity

1MWh-5MWh

Power Configuration

2MW~100MW

Cycle Life

5000 Cycles (80%DOD)

Cooling Method

Full Liquid Cooling (Temperature Difference ≤3℃)

Topology Structure

H-Bridge Cascaded

Grid Forming Capability

Supported

Fast Response Time

<10ms

Low Harmonic Distortion

Thdi <3%

Communication Protocols

Modbus RTU/TCP, IEC 61850

Installation Type

Indoor / Outdoor Containerized

Protection Level

IP20 / IP54

Parallel Operation

Supported

Redundancy Function

Supported

Operating Frequency

50Hz

Operating Temperature

-25℃ to 45℃

Cooling Mode

Air Conditioning / Liquid Cooling

Installation Method

Indoor / Outdoor Container

IP Rating

Indoor IP20, Outdoor IP54

Overload Capacity

1.1 X Rated Current for 10 Min, 1.2 X Rated Curren

Transport Package

Wooden Package

Trademark

FGI

Origin

China

HS Code

8504409999

Production Capacity

1000/Year

Key features

FGI BESS adopts advanced H-bridge cascaded topology to deliver high efficiency, low harmonic distortion, and excellent grid compatibility for utility scale and industrial energy storage applications.

FGI BESS features grid forming technology with virtual synchronous generator capability, providing voltage support, frequency regulation, and virtual inertia support for weak grid and renewable energy

FGI BESS offers ultra fast response time below 10ms, enabling seamless charge and discharge switching, rapid frequency regulation, and dynamic power compensation for modern smart grids.

FGI BESS supports flexible modular expansion from 2MW to 100MW with medium and high voltage levels from 6kV to 35kV, making it suitable for solar farms, wind farms, substations, and industrial microgr

FGI BESS is designed with comprehensive protection functions, multi machine parallel operation, redundant architecture, and optional air cooling or water cooling systems to ensure long term safe and r

Company profile

Cooperated with Fortune 500Years of Export Experience100% Finished Products InspectionHigh Repeat Buyers Choice

WindSun Science & Technology CO.,Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.96h

About Our Factory & Business Background

AddressMid-Section of Jincheng Road, North Side, Economic Development Zone, Wenshang County, Shandong 272500, Jining, Shandong, China

Plant Area122570 square meters

Number of Employees784

Registered Capital141,382,530 RMB

Terms of PaymentT/T, LC

International Commercial Terms(Incoterms)FOB

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity1 set

Supply Chain Partners377

Our Production Capability & Technical Expertise

Main ProductsVFD, Bess, Svg, Statcom

Production Lines18

Production MachinesPCBA, Auto-production line, Auto-testing line, Laboratory

QA/QC inspectors64 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers79 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2004-08-10

Main MarketsSoutheast Asia/ Mideast, East Asia(Japan/ South Korea), Domestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff33

Overseas Agent/BranchYes

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001

Product CertificationCCC

Cooperated with Fortune 500Yes

Product Q&A

Q:What applications is FGI BESS suitable for?

FGI BESS is suitable for utility scale energy storage, renewable energy integration, solar and wind farms, industrial microgrids, peak shaving, frequency regulation, voltage support, and weak grid stabilization.

Q:What voltage range does FGI BESS support?

FGI BESS supports medium and high voltage applications from 6kV to 35kV, making it suitable for industrial facilities, substations, and utility grid projects.

Q:Does FGI BESS support grid forming operation?

Yes. FGI BESS supports grid forming control with virtual synchronous generator technology, providing voltage support, frequency support, and virtual inertia for weak grid and islanded operation scenarios.

Q:What is the response time of the system?

The response time and charge/discharge switching time are both less than 10ms, enabling fast frequency regulation and dynamic grid support.

Q:What communication protocols are supported?

FGI BESS supports RS485 and Ethernet communication interfaces, with Modbus RTU, Modbus TCP, IEC 103/104, and IEC 61850 protocols.