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The burden of the head of a transformer without heat damage can be increased by adequate cooling. This is because a transformer capacity in part by its ability to dissipate heat did. If the temperature of the hot spot winding reaches a critical level, the excess heat can cause the transformer to premature failure by accelerating the aging process of the isolation transformer.
A cooling system increases the load capacity of a processor by improving its ability to heat generated by the heating of the electric current. In other words, allow proper cooling of a transformer, more of a burden he could not otherwise without reaching the critical hot-spot temperatures.
One of the most common types of fans auxiliary transformer cooling equipment. These can be used to cool the radiator hoses, which are the power transformer. Fans should not be used continuously, but only when temperatures are such that cooling is needed. Automatic controls can be set up so that fans when the transformer oil and winding temperature increases have turned to high
*:. Should be built for dry-type transformers, the area in which the processor should provide adequate ventilation. This breakdown should be checked before installation to ensure it is appropriate. In addition, the transformer must be kept cooling fan />
*:. If the transformer is the temperature at an acceptable level of air pressure maintained by a fan, fans, motors should be checked periodically to ensure they are properly lubricated and work well. The thermostat that the engines are activated in the predefined temperature range should also be checked to ensure
*:. Systems that must be cooled with water to be tested regularly to ensure they work properly and not leak. Leaks can by increasing the pressure in the cooling system, which can take many forms to be checked. If the cooling coils can be removed from the transformer, the internal pressure applied by the addition of water. Otherwise, pressure also checked with air cooling or oil, if the coils in the transformer itself will be reviewed /> If the coils are removed from the transformer, the cooling water system can be tested in together. Here the coils filled with water until the pressure of 80 to 100 psi and left under this pressure for at least an hour. Any drop in pressure could be a sign of a leak. Other devices in conjunction with a water cooling system can be tested simultaneously, as the alarm system, water pump and a pressure gauge. In addition, the water source is tested to ensure they have sufficient flow and pressure
*:. If the coolant oil are prepared, they are dried and processed without acid, alkali and sulfur. You must also have a low viscosity when it passed easily. When a transformer is cooled by oil, dielectric oil must always be tested before the transformer is put into service.
oil transformers, cooling systems, the options are:
*: Here, both the kernel and windings are required in the oil. The transformer is cooled by natural circulation of the oil. Further cooling may be by heating the area where a large transformer can increase heat dissipation.
* natural oil cooling bath bath oil is made available to Air Blast
* oil bath cooled Water
* Oil Forced air-cooled blast
* Forced air cooling of natural oil
* Oil forced cooling water
* Directed and forced oil cooling forced air
*: Transformer In this case, air is circulated and cooled with the help of fans. Fans allow a small transformer for a particular notation is not the surface of heat dissipation is required. This can reduce costs
*:. Here, the transformer is cooled by an internal coil flows through the water. This method is possible as long as there is a readily available source for a large amount of water, which is not always the case. This type of cooling has given up less frequently in recent years in favor of forced oil cooled (OFWF)
*:. In this case, cooling is achieved in two ways. Oil circulation is delivered by a pump, and radiator fans are added to the air shocks provide
*:. For this type of cooling is a pump included in the flow of oil using the oil circuit.
*: This is an oil pump forces the circulation can distribute the oil through a separate heat exchanger in which water flows
way more reliable cooling. for a transformer, oil immersed naturally cooled (ONAN), which is also less noise. A transformer cooled abroad (OFAF) is more effective, but it is also harder and less reliable because of the possibility of a malfunction of the fan.
The method of forced cooling for many years used to increase the loading capacity of the transformers. A transformer is the thermal energy can be directly improved by the implementation of cooling systems. Therefore it makes sense to avoid overheating and accelerated aging of a transformer for proper cooling. High converting job and employment website for cool job listings. 65% affiliate rate Amazing Jobs.net
