Star connection symbol is " Y ". Delta connection symbol is " Δ ".
In STAR Connection, the starting or finishing ends (similar ends) of three coils are connected together to form the neutral point in the shape of letter “Y”. A common wire is taken out from the neutral point which is known as the Neutral Wire. In Star Connection, Smooth starting and operation with nominal power and normal operation without overheating can be achieved.
In DELTA Connection, the opposite ends of three coils are connected together which forms the shape of Greek alphabet “Δ”. In other words, the end of each coil is connected with the starting point of another coil, and the common joints form the three phase wires. In Delta Connection, motor receives the highest power output.
For small size electric motor 3-Phase Star connection is input 400VAC, 3-Phase Delta connection is input 220VAC.
Where to buy / supplier at Penang Malaysia
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Motrade Sdn. Bhd. website - https://motrade.com.my/product-category/ac-motor/
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