Rail and Transit

Providing advanced, reliable and energy-saving product solutions for the construction of rail transit industry

As a leading company in the rail transit industry's drive system solutions, Wolong covers the entire industrial chain from station and building air conditioning systems, tunnels and fire ventilation systems, rail vehicle air conditioning systems, to stations and tunnels to the water supply and drainage system. The complete product chain, such as frequency conversion control, transformer, power supply, system energy saving and service, provides us with more advanced, reliable and energy-saving for the rail transit industry in the application fields such as rail vehicle engineering, track infrastructure engineering construction and track auxiliary equipment construction.

Related products

Energy feedback & SVG specific transformer

Energy feedback transformer and medium-voltage energy-feeding device are used together to realize electric energy conversion and recovery, which is more energy-saving and environmentally friendly, and has a large-scale application performance in China; SVG transformer and SVG system are used together to realize the balance and supplement of power grid voltage; At present, the maximum capacity of SVG transformer produced by our company is 12000KVA.

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Distribution transformer

The high-voltage distribution transformer is made of high-quality copper wire, and the low-voltage distribution transformer is made of high-quality copper foil/copper wire and high-performance silicon steel sheet by vacuum casting. The performance parameters of 10KV products meet the requirements of national GB20052-2020 for grade 1, 2 and 3 of energy efficiency; 35KV subway products meet the energy-saving requirements of GB35553; Can also provide the design and manufacture of various special transformers according to user requirements; For example: Scott transformer, test transformer, frequency conversion transformer, plateau transformer and so on.

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Rectifier/Bidirectional Converter Transformer

Suitable for urban rail transit, mine traction, locomotive test line and other DC power supply system, through the combination of rectifier, can form 12 pulse rectification or 24 pulse rectification mode, can effectively suppress and eliminate harmonics, provide guarantee for the reliable operation of electric locomotive

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WXF series high-temperature motors

Capable of withstanding high-temperature fire-fighting tests

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M series DC servo motor

M series DC servo motor has standard type and custom type, with high efficiency, large output torque, small slot pulsation and other characteristics, according to the application needs to achieve the integration of drive motor, motor reducer integration design.

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M series AC servo motor

M series AC servo motor adopts split core winding design, compact structure, high power density, small slot pulsation, strong overload capacity; Different resolution encoders, high, medium and low inertia configuration, IP65/67 protection grade can be selected, the product is suitable for various application conditions; Flange includes 40, 60, 80, 100, 130, 180.

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W series AC servo driver

W series AC servo drive has strong versatility, a variety of control methods and position, speed, torque mode can be freely switched, with self-tuning, inertia identification, advance feed, friction/gravity compensation and other advanced functions, anti-disturbance, low speed uniform performance and other characteristics. The product is easy to debug, reliable operation, can meet various application scenarios.

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References

Guangzhou CRRC, Jiangsu Xinyu, Jin Xin Merak and other rail vehicle air conditioning system drive projects

-Wolong high-efficiency motors, BPY series variable frequency motors, external rotor motors supporting Guangdong Jiake and Zhejiang Shuangshuang, etc., providing air conditioning system drive products for rail vehicles such as Guangzhou CRRC, Jiangsu Xinyu and Jin Xin Merak.

Fire ventilation system of subway tunnel

-Wolong YE3 series three-phase asynchronous motors for high-temperature fire fighting and other supporting subway tunnel fire fighting and ventilation systems. Since the 1990s, Wolong has been supporting subway tunnel fans (small systems) and has become one of the earliest motor brands in China to enter the field of rail transit. After years of development, Wolong has accumulated more than 20 years of experience in manufacturing tunnel fan motors, and has provided motor products to more than 10 cities including Beijing, Shanghai, Guangzhou, Shenzhen, Hangzhou, Nanjing, Chengdu, Wuhan, Changsha, Zhengzhou, Hong Kong and Taiwan Province, with more than 25 operating lines.