Electrical concepts.

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Electrical world. 

             
          
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Main parts of transformer.

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Transformer :-     Transformer is static device or which transfers AC power from one circuit to another without change in frequency. The main parts of transformer are as follows:-  Three limb core. LV winding. HV winding. Tapped winding. Tap leads. LV bushings. HV bushings. Frame. ON load tap changer. Conservator tank. Radiator. Breather. Test valve. Temperature and oil level indicators. Buccholz relay.   We transformer there is no change on frequency from No load to full load. The voltage level can be changed either it stepped up or down according to need. The transformer is very crucial device in electrical system now days, Without it we can't run our system efficiently. There are two main type of transformer:-  1. Power transformer. 2. Distribution transformer. Other some special types of transformer are there used for special purpose only like, isolation transformer, instrument and welding transformer etc.
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Why Air conditioner rated in tones instead KW or KVA?

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Air conditioner: Q.- Why air conditioners rated in tones? Ans-  Why AC rated in Tons capacity instead of kW because AC are designed on the basis of amount of heat removal from particular area or hall . 1000 Kilocalories or 4120 kilojoules or 12000 BTU equal to one Ton of heat. Quantity of heat is termed in Tons means if an air conditioner is able to remove 1000 kilocalories of heat or 4120 kilojoules or 12000 BTU of heat in an hour that AC rated as 1 Ton of AC. Also, this is the same case for freezer and refrigerator i.e. refrigeration system. where, BTU = British thermal unit. A measurement of heat, specifically, the amount of heat needed to raise the temperature of a pound of water by 1° 1 Ton =12,000 BTU/h1 Watt =3. BTU/h 1 Ton =12,000 /3. =3,516.8528 Watts =3.5168528 kW. 1 Ton =3,516.8528 Watts = 3.516 kW. A Ton of refrigeration (RT) is approximately equivalent to 12,000 BTU/h or 3,516.8528 W or 4.7142Hp. A Ton of refrigeration (RT) is a unit of power used to describe the heat-...
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