YB6-12/0.4-Z Energy Storage Prefabricated Substation
🔋 All-in-One Prefabricated Substation for BESS Integration
The YB6-12/0.4-Z prefabricated substation is specifically designed for battery energy storage systems (BESS), combining high-voltage switchgear, distribution transformer, low-voltage panel, and intelligent monitoring into a weatherproof, modular container. It is engineered for fast deployment in solar+storage, wind+storage, and grid-support projects, meeting the needs of modern distributed energy solutions.
📐 Key Technical Parameters
| Parameter | Specification |
|---|---|
| Model | YB6-12/0.4-Z |
| Rated Capacity | 250–2000 kVA (customizable) |
| High Voltage Level | 6kV / 10kV / 11kV / 12kV |
| Low Voltage Level | 0.4kV / 0.69kV / 1kV |
| Frequency | 50Hz or 60Hz |
| Cooling Method | Oil-immersed / Dry-type |
| HV Switchgear Options | Vacuum breaker, load switch, fuse |
| Enclosure Protection | IP54 (outdoor), IP33 (ventilated) |
| Dimensions | 3000x2500x2400 mm (standard) |
| Applicable Standards | IEC 62271-202, GB/T 17467 |
✅ Features That Make the Difference
One-Stop Solution for Energy Storage
Integrates HV, LV, and transformer sections in a single steel-structured module with separate compartments.Designed for ESS Safety
Includes battery fault isolation, thermal sensors, and arc flash protection schemes.Flexible System Integration
Compatible with CATL, BYD, Tesla Powerpack, or containerized lithium-ion systems.Fast Onsite Commissioning
Arrives fully wired, tested, and ready for connection, cutting deployment time by 70%.Remote Control & Data Access
Built-in SCADA/EMS interface with Modbus, CAN, and optional 4G/5G modules.
🏗 Application Scenarios
PV + Storage Plants (USA, Germany, UAE)
Wind Farm Smoothing Substations
Commercial & Industrial BESS Hubs
Grid Peak-Shaving and Frequency Support Projects
EV Charging Parks with Battery Backup
🌍 Real Customer Testimonials
🔹 James M. – Grid Engineer, NextEra Energy (USA)
"We deployed six of these substations across our Texas BESS project—extremely reliable and delivered on time. The plug-and-play concept works well."
🔹 Laura H. – EPC Director, BayWa r.e. (UK)
"It meets G99 grid compliance and integrates seamlessly with Huawei inverters and LG Chem racks."
🔹 Carlos D. – Technical Lead, Iberdrola (Spain)
"Tested in harsh summer and winter conditions. No thermal failures. It’s a compact but durable substation option for hybrid energy facilities."
❓ FAQs – Energy Storage Substation
• What’s the advantage of prefabricated over traditional substations?
Prefabricated models cut project delivery time by 40–60% and reduce installation risks.
• Can this unit be placed near battery containers?
Yes. Its electromagnetic shielding and temperature protection make it suitable for close coupling with battery enclosures.
• Does it support multi-transformer parallel connection?
Yes. You can customize it with busbar couplings or ring main units for redundancy.
• Can the transformer type be selected?
Both oil-immersed and cast-resin types are available, based on site conditions.
• Is it compliant with European and North American standards?
Yes. Designed per IEC 62271-202 and available with UL/NEMA adaptations upon request.
📞 Contact Us for Drawings, Pricing & SLDs
Thor – Electrical Engineer, Wei Shoe Elec
📞 Phone: +86-0577-62788197
📱 WhatsApp: +86 159 5777 0984
📧 Email: [email protected]
Let’s simplify your ESS deployment. Send us your layout, and we’ll return a tailored technical proposal within 24 hours.








