Wind Farm Step-Up Prefabricated Cabin MV/HV Substation Cabin for Wind Turbines
HENTG POWER Wind Farm Step-Up Prefabricated Cabin MV/HV Substation Cabin for Wind Turbines The Wind Farm Step-Up Prefabricated Cabin is a fully integrated, factory-assembled MV/HV substation solution designed specifically for wind power applications. It combines the step-up transformer, medium/high-voltage switchgear, protection and control panels, and auxiliary systems into a single modular cabin.It provides fast installation, high reliability, excellent environmental
wind farm prefabricated substation cabin
,MV HV substation for wind turbines
,compact substation transformer with warranty
The Wind Farm Step-Up Prefabricated Cabin is a fully integrated, factory-assembled MV/HV substation solution designed specifically for wind power applications. It combines the step-up transformer, medium/high-voltage switchgear, protection and control panels, and auxiliary systems into a single modular cabin.
It provides fast installation, high reliability, excellent environmental protection, and stable voltage boosting from 0.4kV to 11kV/33kV/66kV for seamless grid connection of wind turbines.
Suitable for both onshore and offshore wind energy projects that require high efficiency, safety, and long-term performance.
| Product Parameters | ||||
| Item | Parameter | No | Item | Parameter |
|---|---|---|---|---|
| Basic Technical Parameters | 2 | Insulation & Thermal Classes | ||
| Type & Model | S11-5000-33/0.69 | Insulation Level | Class A | |
| Rated Capacity | 5000kVA | a | High-Voltage Side | |
| Rated Voltage(HV / LV) | 33kv/0.69kv | Lightning Impulse Withstand(peak) | 200kv | |
| Rated Current(HV / LV) | 87.5A /4183.7 A | Short-Duration Power-Frequency Withstand(r.m.s.) | 85kv | |
| Voltage Ratio | ±2 * 2.5 % | Lightning Impulse Withstand (peak) | ||
| Short-Circuit Impedance | 7% | Short-Duration Power-Frequency Withstand (r.m.s.) | 5kv | |
| Vector Group | Dyn11 | |||
| Cooling Method | ONAN | Overall Dimensions (L * W * H) | 2650 mm * 2900 mm * 2750 mm | |
| No-Load Loss | ≤ 3970W (+15%) | b. | Estimated Total Mass | 10.7t |
| Load Loss | ≤ 39018W (+15%) | |||
| Sound Pressure Level | ≤ 77 dB(A) | Other Technical Requirements | ||
The inverter-boost integrated box-type substation is an intelligent all-in-one solution specially designed for photovoltaic (PV) power generation systems. It integrates DC-to-AC inversion and AC voltage boosting in one unit, significantly reducing installation cost and energy loss while enhancing system stability and power quality,
| Feature | Advantage | Benefit |
|---|---|---|
| Integrated Design | Combines inverter,transformer,and HV distribution | Fewer devices, savesspace and installationtime |
| Modular Structure | Standardized componentsfor quick deliveryand easy O&M | Lower O&M costs,higher reliability |
| High-efficiency Inverter | >98.5% conversionefficiency | Minimizes power loss,improves energyconversion efficiency |
| Smart Monitoring System | Real-time monitoring& remote control | Efficient management and fault alerts |
| Comprehensive Protection | Over-voltageover-current short-circuit protection | Ensures safe operation for both equipment and personnel |
| All-weather Adaptability | IP54 rating,works in harsh environments | Applicable in deserts,plateaus and more |
Includes transformer, switchgear, protection, SCADA, HVAC, fire system, and cable management in one compact unit.
Delivered pre-assembled and pre-tested, minimizing on-site civil work and shortening the project construction cycle.
IP54–IP65 optional; resistant to moisture, dust, salt spray, UV, and harsh climates—ideal for coastal and offshore wind farms.
Equipped with comprehensive protection: over-current, differential, earth fault, temperature monitoring, gas relay, arc protection, etc.
SCADA and remote monitoring modules allow real-time operation supervision, fault detection, and performance logging.
Durable steel or stainless-steel container, optional C4/C5 anti-corrosion coating for aggressive environments.
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Onshore Wind Farms
The prefabricated step-up cabin is ideal for onshore wind power plants, where each group of wind turbines requires a compact and reliable solution to boost voltage from 0.4kV to MV/HV levels (11kV/33kV/66kV) before transmitting power to the main collection system. -
Offshore Wind Power Platforms
Due to its fully enclosed, anti-corrosion, and modular design, the cabin is suitable for offshore environments with high humidity, high salinity, and strong winds. It provides stable operation and easy maintenance for offshore wind projects. -
Distributed Wind Energy Systems
For distributed small-to-medium wind turbine clusters, the cabin offers a plug-and-play substation solution with minimized civil work, rapid installation, and a reduced project timeline. -
Wind Turbine Hybrid Projects (Wind + Solar)
In hybrid renewable power stations that combine wind and solar generation, the cabin serves as a centralized step-up unit connecting multi-energy outputs into the MV/HV grid. -
Remote & Harsh Environment Power Stations
The robust structure allows deployment in deserts, coastal areas, mountains, and cold regions, ensuring safe grid connection under extreme temperatures, sand, dust, moisture, and vibration conditions. -
Temporary or Mobile Wind Power Demonstration Sites
The modular and transportable design makes it suitable for temporary installations, pilot projects, research sites, or rapid deployment in newly developed wind energy zones.
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