// SOLUTIONS / MOTOR & GENERATOR COOLING
Motor & Generator Cooling
Air-water and air-air coolers for AC variable-frequency motors, hydro generators, and large industrial drives in metallurgy, mining, rolling mills, and pulp & paper. Dongrun's motor cooler line is the company's core product — deployed on 10,000+ machines worldwide with Siemens Energy, TMEIC, Shanghai Electric, and Wolong.
Engineering parameters
- — Up to 70,000 kW motor capacity
- — 6 kV / 11 kV winding voltages
- — IP55 / IP65 enclosure options
- — Patented elliptical-tube design
- — Redundant fan design for continuous operation
- — Low-noise design (below 82 dB)
- — Salt spray resistance C4 / C5-VH
Application scenarios
Motor and generator cooling for the industries that need it most.
Industrial Drive
Core drive motors for fans, compressors, rolling mills, and pulp & paper machines.
Power & Energy
Generators in thermal, nuclear, wind, and gas-fired power generation systems.
Transportation
Marine propulsion and auxiliary motors. High-speed rail traction motors.
Special Scenarios
Mine underground explosion-proof motors. Submersible pump motors.
Reference OEM partners
Gallery
Related products & engineering
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