Compact Substation

Energy Storage Substation System

Brand: HENGFENGYOU
Series: Energy Storage Substation Series
USES: Utility-scale energy storage, peak shaving, grid frequency regulation, solar-wind-storage microgrids, and backup power integration
Country of origin: China
Terms of payment: L/C, T/T, Western Union, Paypal, Money Gram
Certification: ISO9001、CB、CE、KEMA

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Energy Storage Substation System Overview & Working Principle

The YBW-C Series Energy Storage Substation System from HENGFENGYOU ELECTRIC is an advanced, fully integrated power conversion and step-up substation engineered for utility-scale battery energy storage systems (BESS). It operates as an independent grid-tied energy management unit or seamlessly pairs with solar PV and wind power generation to form robust renewable microgrid solutions.

To minimize electromagnetic interference and circulating current impact between multiple battery storage branches, the system features a high-efficiency double split transformer. It integrates step-down, step-up, power conversion (PCS), load circuits, and intelligent grid-interconnection switching. This allows precise control over charge/discharge cycles, optimizes energy consumption structures, performs peak shaving and frequency regulation, and maximizes power grid reliability.

Implementation Standards: IEC 62271-200, IEC 60076, UL 9540, GB/T 17467, CE, CSA, ISO9001 approved.
Energy Storage Substation System, YBW-C Containerized BESS Substation, Double Split Transformer Substation, Battery Energy Storage Step-Up Station, Grid-Tied BESS Substation

Energy Storage Substation System Technical Specifications & Parameters

Technical Parameter	Engineering Details & Options
Model / Product Series	YBW-C Series Containerized BESS Substation
Rated Voltage Class (HV)	6 kV, 10 kV, 11 kV, 20 kV, 33 kV, 35 kV
Low Voltage Interface (LV)	0.315 kV, 0.4 kV, 0.615 kV, 0.69 kV, 0.8 kV (Compatible with main PCS)
System Capacity Range	500 kVA – 6300 kVA (Customizable per BESS MW/MWh requirements)
Transformer Type	Double Split Oil-Immersed / Dry-Type Step-Up Transformer
Rated Frequency	50 Hz / 60 Hz
Enclosure Protection Rating	IP54 / IP65 (Outdoor heavy-duty weatherproofing)
Safety & Fire Protection	Total-flooding Novec 1230 / FM200 / Aerosol fire suppression + Gas detection
Thermal Management	Industrial precision HVAC air cooling / Liquid cooling integration
Smart Communication	Modbus TCP, IEC 60870-5-104, CAN bus SCADA integration

Core Advantages & Features of YBW-C Energy Storage Substations

1. Low-Interference Double Split Transformer Technology

Specially engineered dual-winding/double-split transformer configuration reduces circulating currents and harmonic interference between separate battery strings by up to 90%.
Designed with high short-circuit impedance and thermal tolerance to sustain rapid charge/discharge cycles.

2. All-in-One Compact Integration & Smart Microgrid Control

Houses high-voltage switchgear, step-up transformers, low-voltage distribution cabinets, and auxiliary power supplies in a unified outdoor enclosure.
Built-in intelligent grid-interconnection switches support seamless switching between grid-tied and islanded (off-grid) modes for uninterrupted emergency backup.

3. Comprehensive International Certification & Safety Safeguards

Meets global grid-code compliance with UL, CSA, CE, CCC, and ISO certifications.
Multi-stage safety architecture including automatic thermal run-away monitoring, smoke/combustible gas detectors, and aerosol/gas fire suppression systems.

Energy Storage Substation System Procurement & Technical FAQ

Q1: What is the standard manufacturing lead time and delivery schedule for energy storage substations?

A: Standard modular configurations or stocked transformer units can be dispatched within 7 to 30 days. For fully customized YBW-C energy storage substations requiring specialized voltage ratios, double split transformers, or specific PCS/BMS integration, the total engineering and testing delivery cycle is 75 to 90 days with worldwide fast shipping.

Q2: What warranty protection and technical support do you offer?

A: All HENGFENGYOU ELECTRIC YBW-C energy storage substations come with a standard 1-year (12 months) comprehensive factory warranty. Extended warranty packages up to 5 years are available for major utility-scale BESS contracts, complete with lifetime spare parts availability and 24/7 remote technical support.

Q3: Does the YBW-C substation comply with international safety certifications for global utility tenders?

A: Yes. Our energy storage substations are fully tested and certified under ISO9001, CE, CCC, COC, UL, and CSA standards. They strictly comply with IEC 62271-200 and IEC 60076 regulations, making them fully eligible for utility tenders across Europe, the Americas, Asia, and Africa.

Q4: Why is a double split transformer used in an energy storage substation system?

A: In high-voltage (6kV to 33kV) energy storage projects, multiple PCS units and battery banks operate in parallel. A double split transformer isolates the low-voltage inputs onto separate windings, preventing circulating currents and electromagnetic interference between battery branches while significantly reducing system loss.

Q5: How does the energy storage substation handle thermal management and fire safety?

A: Thermal stability is maintained via smart industrial air-conditioning or liquid-cooling loops that maintain optimal operating temperatures. For fire safety, the system incorporates localized multi-point thermal/smoke sensors linked directly to automatic FM200/aerosol fire suppression equipment and emergency circuit breakers to prevent thermal runaway.

Q6: Can this substation be customized to work with specific PCS and battery brands?

A: Yes. We provide full OEM/ODM engineering customization. The YBW-C series can be customized to interface with all leading Power Conversion System (PCS) manufacturers (e.g., Sungrow, Kehua, SMA, Delta) and battery chemistries (LiFePO4, Flow batteries), tailored precisely to your project's single-line diagram (SLD).