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Renewable Energy Solutions

Renewable energy solutions

Wolong is committed to providing complete clean energy solutions for users all over the world, with renewable energy technologies such as photovoltaic, wind power, energy storage and hydrogen production as the core and digital technology as the support. Its products cover direct-drive and semi-direct-drive permanent magnet wind power generation systems and yaw control systems, BIPV distributed photovoltaic power generation, photovoltaic cleaning robots, integrated light storage and charging power supply, tandem energy storage and high-power hydrogen production power supply, and provide comprehensive energy management services covering the whole process of investment, EPC construction and project operation and maintenance.


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Offshore microgrid

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Industrial and commercial ESS

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Household energy storage

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Shore based power supply

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Independent ESS

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Optical storage and charging system

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Hydrogen production from wind and light

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ESS for power grid

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Transformer substation

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Energy storage for power generation

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Wind farm

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  • General commercial and industrial PV

    The installation of solar photovoltaic power generation systems on the roofs of buildings and their ancillary sites will not conflict with the functions of the buildings, and will not damage or weaken the functions of the original buildings.

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  • WL-ESS-3760kW/7524kWh-L

    With the company's utility-scale storage systems, businesses and utilities can unlock the full potential of clean energy, ensuring reliable power supply.

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  • WL-ESS-2500kW/5016kWh-L

    With the company's utility-scale storage systems, businesses and utilities can unlock the full potential of clean energy, ensuring reliable power supply.

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  • WL-ESS-1376kW/2752kWh-L

    With the company's utility-scale storage systems, businesses and utilities can unlock the full potential of clean energy, ensuring reliable power supply.

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  • WL-FB-100kW/215kWh(L)

    Our C&I ESS features an integrated design that combines the PCS and battery into a single cabinet. This product is highly flexible and expandable to meet the diverse application needs of various clients.

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  • WL-FB-100kW/215kWh

    Highly flexible and expandable to meet the diverse application needs of various clients.

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  • General commercial and industrial PV

    The installation of solar photovoltaic power generation systems on the roofs of buildings and their ancillary sites will not conflict with the functions of the buildings, and will not damage or weaken the functions of the original buildings.

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  • Building Integrated Photovoltaic

    This refers to solar photovoltaic power generation systems that are designed, constructed, and installed at the same time as the building, and form a perfect combination with the building.

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  • Special Power Supplies - Shore-based Variable Frequency Power Supply System Solution

    Shore - based Variable Frequency Power Supply System Product is a kind of special variable frequency power supply installed at the front of port terminal to provide auxiliary or working power suitable for the internal electric system of near-shore ships.

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  • High voltage and large capacity direct hanging energy storage products

    Supports parallel/off-grid and multi-machine parallel operation modes, can be quickly expanded to tens of MW levels to meet the needs of large-scale energy storage.

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  • Optical storage and charging microgrid

    "Photovoltaic+energy storage+charging" integrates photovoltaic power generation, energy storage, charging piles and other devices. Through microgrid intelligent control technology, the core technologies are "optical energy storage and charging microgrid system" and "energy interconnection and sharing platform", and photovoltaic-power grid-energy storage-electricity form a local intelligent microgrid system, which directly converts solar energy into electric energy for charging vehicles to consume or store in the energy storage system, which can not only supply green for electric vehicles.

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    The installation of solar photovoltaic power generation systems on the roofs of buildings and their ancillary sites will not conflict with the functions of the buildings, and will not damage or weaken the functions of the original buildings.

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  • IGBT hydrogen production power supply

    Using PWM rectifier and multiple DC-DC technologies, water cooling design. It is mainly suitable for hydrogen production in AC power grid or microgrid with photovoltaic and wind power as the main energy sources.

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  • DC-DC hydrogen production power supply

    DC-DC special power supply for hydrogen production, water cooling design. Suitable for ALK and PEM electrolyzers, suitable for hydrogen production from new energy DC microgrid.

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  • Thyristor-type hydrogen production power supply

    Thyristor special power supply for hydrogen production, water cooling design. It is mainly used in hydrogen production scenarios with good AC power grid conditions.

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  • Building Integrated Photovoltaic

    This refers to solar photovoltaic power generation systems that are designed, constructed, and installed at the same time as the building, and form a perfect combination with the building.

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  • Permanent magnet direct-drive wind generator

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  • Multi core water electrolysis hydrogen production device-AEM Flex 120

    Our AEM Flex 120 enables you to streamline green hydrogen start-up in pilots ranging from industrial waste heat to hydrogenation.

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  • Multi core water electrolysis hydrogen production device-AEM Nexus

    No hydrogen oxygen separation device is required, only a dryer is needed to achieve 99.999% purity. If you need 99.9999% high-purity hydrogen, you only need to add one dryer.

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  • AEM Electrolyser EL4.1

    Enapter's patented anion exchange membrane (AEM) electrolyzer is a standardized, stackable and flexible on-site hydrogen production system.

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  • Cabinet cluster water electrolysis hydrogen production device

    Two to 10 2.5Nm³/h cabinets are integrated in a container

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  • Cabinet type water electrolysis hydrogen production device

    AEM electrolyzer is a standardized, stackable and flexible on-site hydrogen production system.

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    500kV UHV transformer adopts advanced UHV manufacturing technology, This type of transformer has the technical characteristics of low loss, low noise, no leaking oil, intelligence, easy installation and maintenance, energy saving and environmental protection, and is mainly used in the national power grid.

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  • 230kV vegetable oil transformer

    The oil-immersed self-cooled transformer has the characteristics of reliable structure, low loss, low noise and superior performance. Vegetable oil transformers with high environmental protection requirements are mostly suitable for European and American countries.

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  • 220kV double split transformer

    Mainly used in wind power, photovoltaic and other new energy power generation markets and large state-owned enterprises.

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  • 110kV vehicle mobile transformer

    The vehicle mobile transformer is mainly used to quickly replace a conventional substation and restore power supply in an emergency. Put into operation during periods of high load to alleviate regional power supply capacity shortages.

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  • 35kV rectifier transformer

    The product has the characteristics of small footprint, easy maintenance and low loss. Widely used in hydrogen production, chemical industry, steel industry and so on.

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  • 10kV distribution transformer

    Distribution transformer is the latest generation of energy-saving transformer, which has been widely used in distribution network. Its high efficiency, strong short-circuit resistance, deep load center, low noise, beautiful and environmental protection of the excellent characteristics have won the majority of users respected and widely praised. It is used in a series of scenes such as housing, schools, factories, and energy in life.

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  • High voltage and large capacity direct hanging energy storage products

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  • Asynchronous double-fed wind generator

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  • Wind power yaw motor

    Functions to quickly and smoothly align with the wind direction

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  • Permanent magnet direct-drive wind generator

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