TSTY Huashi Compact Substation for Renewable Energy Grid Connection

The TSTY Huashi compact substation is a highly efficient prefabricated substation specifically designed for renewable energy power generation systems such as photovoltaic, wind power, and battery energy storage.

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Huashi compact substation BESS substation Huashi type substation Chinese type compact substation prefabricated substation American European hybrid substation outdoor step up substation photovoltaic substation wind power substation 10kV to 35kV substation

Product Description

Technical Features

Advantages

Applications

Why TSTY

TSTY Huashi Compact Substation – American European Hybrid for Reliable Renewable Energy Grid Connection

The TSTY Huashi compact substation is a highly efficient prefabricated substation specifically designed for renewable energy power generation systems such as photovoltaic, wind power, and battery energy storage. It integrates voltage boosting, power distribution, protection, and intelligent monitoring into a single robust enclosure. Its core function is to step up the low voltage output from PV inverters or wind turbines to medium voltage levels of 10kV or 35kV, meeting grid access and long distance transmission requirements. The Huashi design combines the high reliability of American type substations with the compact layout of European type units, offering a versatile solution for centralized power plants, distributed projects, and harsh environments.

Feature	Description
American European Hybrid Design	Combines rugged American construction with space saving European layout – transformer external for natural cooling, separate HV and LV compartments.
High Protection	Enclosure protection IP54 for HV/LV compartments; optional C5 anti corrosion coating for coastal, desert, and high humidity environments.
Wide Environmental Adaptability	Stable operation from -30°C to +60°C; altitude up to 2000m without derating, customizable for higher altitudes.
Efficient Cooling	Transformer placed outside the main enclosure, utilizing natural air convection for heat dissipation – no auxiliary cooling fans needed, reducing energy consumption and noise.
Flexible Transformer Options	Oil immersed or dry type step up transformer; amorphous alloy core option reduces no load losses by over 30%.
Intelligent Monitoring	Equipped with remote monitoring system for voltage, current, temperature, and switch status; supports SCADA and cloud platform integration.
Low Noise & Low Maintenance	Operating noise below 65dB for oil immersed type; maintenance free dry type option available.
Global Certifications	CE, IEC, UL, ISO, SASO certified – compliant with international standards for smooth project acceptance.

Product Advantages

Full Scenario Adaptive Design – Supports multiple renewable energy sources including PV, wind, and energy storage, with flexible configuration and modular scalability.
Factory Prefabrication – Over 90% of the process completed in house, shortening on site installation by 50%.
Space Saving – Compact footprint, transformer external design reduces enclosure size, saving valuable land.
High Safety – Fireproof and explosion proof design; optional automatic fire extinguishing devices; built in active power filter for harmonic mitigation (THD < 3%).
Low Loss & Energy Efficient – Amorphous alloy or high efficiency silicon steel transformers reduce no load losses by over 30%.
Durable Construction – Special shot blasting and anti corrosion treatment resists UV, salt spray, sandstorms, and extreme temperatures.

The TSTY Huashi compact substation is widely deployed in the following scenarios:

Centralized PV Power Plants – Serving as step up nodes connecting multiple PV arrays to the 35kV or 110kV grid.
Onshore Wind Farms – Stepping up turbine output (690V) to medium voltage collector lines.
Distributed PV Projects – Industrial and commercial rooftop PV, agricultural complementary PV, carport solar.
Commercial and Industrial Energy Storage – Peak valley arbitrage and demand management for factories, data centers, and shopping malls.
Microgrids and Off Grid Systems – Independent power supply for islands, mining areas, and remote villages, supporting solar storage diesel hybrid.
Harsh Environments – Coastal areas, deserts, high altitude cold regions with customized designs for extreme climates.

30+ Years of Manufacturing Excellence – A national high tech enterprise with over three decades of power equipment expertise.
250,000㎡ Smart Factory – Equipped with 5G+ digital intelligent workshops, achieving a 99.9% product qualification rate.
International Certifications – CE, IEC, UL, ISO, SASO certified, ensuring global market access.
Global Track Record – Products exported to 80+ countries, with overseas offices in Zambia, Ethiopia, Kazakhstan, Colombia, and Italy for local technical support.

Contact TSTY with your project specifications (voltage, capacity, application, site conditions) – our engineering team will provide a customized solution and detailed quotation.