Standard transformer cooling methods include; Air cooling and oil cooling.
Answer
Transmission and distribution Transformers are oil filled. Cooling is achieved either by natural convection yo the sides of the tank (small distribution transformers) or through cooling tubes, or by pumped circulation through external heat exchangers. The heat exchangers themselves, are cooled by natural convection, forced air draught, or water.
1. By using transformer oils.2. By nitrogen or sulfur hexaflouride gases.3. By using flourinated hydrocarbons4. Case is wide corrugated5. Case is provided with radiators
An air blast type transformer is a type of electrical transformer that uses air as the cooling medium and insulator. This design employs a system of air blasts to enhance the cooling process by directing air over the transformer windings and core, thus maintaining optimal operational temperatures. Air blast transformers are typically used in high-voltage applications and are known for their efficiency and reliability in dissipating heat. They are particularly useful in outdoor installations where traditional liquid insulation methods may not be practical.
Air cooling ,hydrogen gas cooling ,water cooling
For an open machine thermal conduction and air-cooling are the only methods possible, sometimes with a fan to boost the flow of air.Oil-cooling and water-cooling can only be used on closed machines.
Phase change cooling Liquid Immersion
Passive and active air cooling and liquid cooling. What three methods or devices are used to cool a CPU
Proper cooling consists of methods such as refrigeration, ice bath, and blast chilling. Not a proper method for cooling is leaving food at room temperature to cool down.
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Some common cooling methods used on drip-proof machines include natural convection cooling, forced air cooling using fans, liquid cooling through a closed loop system, and heat sinks for dissipating heat. The choice of cooling method depends on factors such as the machine's power, size, and operating environment.
It is better to determine the efficiency of a transformer indirectly through measurements and calculations because direct loading can cause overheating and damage to the transformer. Indirect methods are safer, more accurate, and do not risk the operational integrity of the transformer.
The transformer can be tested on open and short circuit to find the iron losses and copper losses separately, which uses a fraction of the power than having to run the transformer on full-load.
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