A forward reverse star delta is a two in one motor starter where a motor first runs on star connection and then changed to delta connection after a time which has been set. The motor direction can be changed, whether forward or reverse
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it is the mathematical analysis which shows relationship b/w various resistors connected in star or delta form's using the transformation process we can convert delta into star or viceversa
In manual star delta starter, the change over from star to delta does not happen automatically. The operator or user puts on the starter, and after few seconds he pushes a lever or handle to change over to Delta. In automatic method, change over happens from star to delta using an automatic preset timer.
Delta Scuti is a giant star. It is part of the Scutum constellation. It is also known as a variable star because its brightness as seen from earth fluctuates.
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What is the continuous current of 10HP star delta motor