E7-ST.3000 / E7-ST.6000 / E7-ST.9000 — Smart Transformer Station
All-in-one smart transformer stations E7-ST.3000 / 6000 / 9000 in 20-ft container. Factory-direct from China with fast delivery to Europe and worldwide.
Applicated Reference
Wind power Station
PV Power Station
Generator Factory
Island
Large-scale
Industrial User
Integrated and Economic
- Prefabricated and pre-tested, simple installation onsite without internal cabling
- Standard container design for easy transportation
- High capacity, reduce quantity of MV equipment, save investment of the whole plant
Efficient and Smart
- Low power consumption, Tier 1/2 PEI efficiency
- LV panel, transformer and RMU real-time monitored, LV panel and RMU remote controlled
Stable and Reliable
- IP54 protection for LV and MV room, IP68 for transformer body
- C4/C5 anti-corrosion, adaptable to harsh environments
All-in-one, containerized Smart Transformer Stations integrating LV panel, transformer, RMU and auxiliaries. Converts LV DC to MV AC for grid injection — ideal for utility PV plants.
Technical Specification — Models
Unless stated otherwise, parameters are common across models. Cells show per-model values side-by-side.
Input
| Item | E7-ST.3000 | E7-ST.6000 | E7-ST.9000 |
|---|---|---|---|
| Available inverters | E7-ST300KTL, E7-ST330KTL, E7-ST360KTL | ||
| Max. LV inputs | 10 | 20 | 28 |
| AC power | 3630 kVA @30°C 3300 kVA @40°C 3000 kVA @50°C |
7260 kVA @30°C 6600 kVA @40°C 6000 kVA @50°C |
10164 kVA @30°C 9240 kVA @40°C 8400 kVA @50°C |
| Rated input voltage | 800 V | ||
| LV switches — MCCB | MCCB (400A / 800Vac / 3P, 10 pcs) | MCCB (400A / 800Vac / 3P, 20 pcs) | MCCB (400A / 800Vac / 3P, 28 pcs) |
| LV switches — ACB | ACB (3200A / 800Vac / 3P, 1 pc) | ACB (3200A / 800Vac / 3P, 2 pcs) | ACB (4000A / 800Vac / 3P, 2 pcs) |
Output
| Item | E7-ST.3000 | E7-ST.6000 | E7-ST.9000 |
|---|---|---|---|
| Rated output voltage | 10 kV ~ 34.5 kV | 20 kV ~ 34.5 kV | 20 kV ~ 34.5 kV |
| Rated frequency | 50 Hz / 60 Hz | ||
| Transformer type | Oil-immersed, fully sealed, Dy11 | Oil-immersed, fully sealed, Dy11y11 | |
| Transformer tappings | ±2×2.5% | ||
| Transformer oil type | Mineral oil (PCB-free) | ||
| Transformer cooling type | ONAN | ||
| Transformer efficiency | >99% (standard); Tier-1 / Tier-2 optional | ||
| RMU type | SF6 gas insulated | ||
| Auxiliary transformer | Dry type, 5 kVA, 800 V / 400 V, Dyn11, level H | ||
| UPS | 1 kVA, 30 min | ||
Protection
| Item | Specification |
|---|---|
| Transformer monitoring & protection | Oil level, temperature, pressure |
| Rated short-circuit breaking current | 20 kA / 3 s |
| MV relay protection | 50 / 51, 50N / 51N |
| LV surge protection | Type I+II |
| Protection degree | IP54 for LV/MV room; IP68 for transformer body |
| Anti-corrosion degree | C4 / C5 (optional) |
General
| Item | E7-ST.3000 | E7-ST.6000 | E7-ST.9000 |
|---|---|---|---|
| Dimension | 6058 mm × 2896 mm × 2438 mm (standard 20-foot container) | ||
| Weight | <18 t | <24 t | <28 t |
| Temperature range | -25°C ~ 60°C | ||
| Relative humidity | 0% ~ 95% | ||
| Max. operating altitude | 1000 m (standard) / >1000 m (optional) | ||
| Measuring & control device | CEM9000 or similar | ||
| Communication interface | RS485 / Ethernet | ||
| Communication protocol | Modbus-RTU / Modbus-TCP / IEC104 | ||
| Color | RAL7035 | ||
| Standard compliance | IEC60076, IEC62271-200/202, IEC61439, EN50588-1 | ||
Product Introduction
The product integrates LV panel, transformer, RMU and auxiliaries into a 20-foot container. It converts LV DC power to MV AC for grid injection, providing an all-in-one solution for PV power plants.
Advantages
- Integrated & Economic: Prefabricated and pre-tested; simple on-site installation without internal cabling; standard container design for easy transport; high capacity reduces MV equipment count and plant CAPEX.
- Efficient & Smart: Low power consumption; Tier-1/2 PEI efficiency; real-time monitoring and remote control for LV panel & RMU.
- Stable & Reliable: IP54 (rooms) / IP68 (transformer body); C4/C5 anti-corrosion for harsh environments.
- Grid Support: Compliant with IEC standards; MV up to 35 kV.
The technical parameters are for reference only; actual delivered products prevail.
Worldwide shipping
We ship our equipment worldwide.
Contact us and we will solve any issue concerning logistics.