
Photovoltaic Power Distribution Substation
✅Efficient Voltage Step-Up,Reduced Transmission Losses
✅Centralized Monitoring & Smart Operation and Maintenance (O&M)
✅Comprehensive Protection, Ensures Grid Safety
✅Optimized Layout, Saves Land and Costs
✅Unified Grid Connection, Standardized Interface
- Product Introduction
Product Feature
Grid-Ready Voltage Levels
Operates seamlessly at 35kV, 10kV, and 0.4kV. We step up the voltage to the exact level required for safe, long-distance grid connection.
Flexible Capacity Range
Customized to fit your project scale, with capacities ranging from 500kVA up to 10MVA.
High-Efficiency Power Conversion
Designed to maximize your ROI. Transformer efficiency reaches ≥98%, and overall system efficiency is ≥96%, significantly reducing energy loss.
Built for Harsh Outdoors
Features a robust protection class of IP54 or higher, ensuring reliable operation and durability against dust, water, and extreme weather.
Products Description
| Parameter | Unit | HYB-12 (Manual/Electric) | FYB-24 (Manual/Electric) | BYFI-40.5 (Manual/Electric) |
|---|---|---|---|---|
| Rated Voltage | kV | 12 | 24 | 40.5 |
| 1-min Power Frequency Withstand Voltage (Phase-to-phase / Earth-to-ground) | kV | 42 | 70 | 95 |
| Isolation Distance (Phase-to-phase / Earth-to-ground) | mm | 48 | 80 | 110 |
| Lightning Impulse Withstand Voltage (Phase-to-phase / Earth-to-ground) | kV | 75 | 170 | 200 |
| Isolation Distance (Lightning Impulse) | mm | 85 | 195 | 215 |
| Rated Current | A | 315 / 630 | 400 / 630 | 315 / 630 |
| Rated Short-circuit Withstand Current (2s) | kA | 12.5 / 20 | 16 / 20 | 12.5 / 20 |
| Rated Peak Withstand Current | kA | 31.5 / 50 | 40 / 50 | 31.5 / 50 |
| Rated Short-circuit Making Current | kA | 31.5 | 20 / 40 | 31.5 / 50 |
| 100% Load Operation Frequency | Times | 30 | 30 | 30 |
| Mechanical Lifespan | Times | 10,000 | 10,000 | 10,000 |
Key Components
- Power Transformation Unit: High-efficiency transformers (e.g., 35kV/10kV or 10kV/0.4kV) that step up the voltage for safe grid transmission.
- PV Inverter System: Reliable inverters that convert direct current (DC) from your solar arrays into alternating current (AC).
- Distribution Equipment: Heavy-duty medium and low-voltage switchgear for secure power routing.
- Protection Devices: Advanced relays, circuit breakers, and surge protection to safeguard your equipment from electrical faults.
- Smart Monitoring System: Integrated SCADA and intelligent control units for real-time data tracking and remote management.
Core Functions
| Core Function | What It Does for Your Project |
|---|---|
| Power Conversion | Converts raw DC power from PV arrays into AC and steps up the voltage to grid-ready levels (10kV/35kV). |
| Grid Connection | Synchronizes perfectly with the grid. Supports reactive power compensation (SVG) and harmonic suppression to ensure stable output. |
| System Protection | Keeps your investment safe with overcurrent, short-circuit, anti-backfeed, and anti-islanding protection. |
| Energy Management | Integrates smart meters and SCADA systems to optimize power dispatch and manage energy storage efficiently. |
| Environmental Adaptation | Built to survive extreme conditions. Features high corrosion and wind resistance, making it ideal for offshore or harsh-terrain PV farms. |
Products Application
Utility-Scale PV Plants: High-capacity transmission for large solar farms.
Distributed PV Systems: Compact, plug-and-play design for C&I rooftops.
PV-Storage Hybrid Systems: Seamless integration with BESS for peak shaving.
Microgrid Applications: Stable power hub for off-grid or weak-grid sites.

FAQ
Q1: Can you customize the voltage level and layout based on our project site?
A: Absolutely. We don't just sell standard boxes. Our engineering team will work with your drawings to customize the voltage (e.g., 35kV/10kV/0.4kV) and the internal layout to fit your land constraints. We provide CAD drawings for approval before production.
Q2: What kind of protection system is included?
A: Safety is non-negotiable. Our substations come with comprehensive protection: over-current, short-circuit, anti-islanding, and harmonic suppression. We use top-tier relay brands (can be specified by you) to ensure your system passes grid connection inspections on the first try.
Q3: What's the delivery time for a 2MVA substation?
A: Standard lead time is 4-6 weeks after order confirmation and drawing approval. We offer expedited manufacturing for urgent projects-just let our sales team know your required timeline.
Q4: Do you provide installation guidance or commissioning support?
A: Yes. We can dispatch experienced engineers to your site for supervision and commissioning. We also provide full sets of test reports (type tests and routine tests) with every shipment.
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