![]() ![]() The terminals of the three branches are connected to a common point.The connection diagram is shown below:ĭifference Between Star and Delta Connection In this, there is no common or neutral point, and it is used for power transmission for short distances. The network formed is known as Star Connection. In a star connection, the starting and the finishing point ends of the three coils are connected together to a common point known as the neutral point.The three branches of the network are connected in such a way that it forms a closed loop known as Delta Connection. ![]() But in Delta connection, there is no neutral point. In star connection, phase voltage is low as 1/√3 times the line voltage, whereas in delta connection phase voltage is equal to the line voltage.The speed of the star-connected motors is slow as they receive 1/√3 of the voltage but the speed of the delta connected motors is high because each phase gets the total of the line voltage.In Star connection, the line voltage is equal to root three times of the phase voltage, whereas in delta connection line voltage is equal to the phase voltage.In star connection, the line current is equal to the phase current, whereas in delta connection the line current is equal to root three times of the phase current.The end of each coil is connected to the starting point of the other coil that means the opposite terminals of the coils are connected together. ![]()
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