What is a water-cooled resistor?
2025-07-21
Water-cooled resistors are water-cooled braking resistors, covering braking powers ranging from some kW to many MW. Some of these are required for cranes and major traction braking, which demands high power. They also include cooling methods such as liquid, strong cold air, and natural convection braking.
The working mode of water-cooled resistors usually involves cooling, which is achieved through simple natural convection. However, if excessive heat is generated due to an unacceptable load imposed on the ship's air conditioning system, we will add an air-water heat exchanger to transfer the braking energy to the ship's cooling water system. Most ships have a cooling water system that circulates cooling water throughout the ship and can be used for air conditioning and equipment cooling. It is usually directly incorporated into the resistors of the type shown in these circuits.
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