Transformers: Why do we need them and how do we make them?

ABB power and distribution transformers are found wherever electricity is generated, transported and consumed -- in power plants and substations, skyscrapers and shopping malls, ships and oil platforms, locomotives and railway lines, wind parks and solar power fields, water and wastewater treatment plants. Their most important function is to adjust the voltage to the correct level at each stage of the delivery chain, stepping it up for long-distance, high-voltage transmission from the power plant, and stepping it down for distribution to the end user and consumer.

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• Transformers
• power
• energy
• electricity
• ABB
• power transmission
• substation
• power products
• power system
• energy efficiency
• grid reliability
• smart grid
• blackout
• power transformer
• distribution transformer
• voltage
• distribution network
• low voltage
• high voltage
• power loss
• tap changer
• bushing
• power plant
• dry-type transformer
• liquid-filled transformer

[gnanakirubakaran]

i like this....



[gnanakirubakaran]

i got the right explanation..!

and also,i need explanation for the principle of ac motor .can anybody guide me?