Answer / aruniscool

Motor is designed to with stand the surge of starting current for a short period.if load driven is jammed or over loaded the time the overload thermal relay will trip and save the motor from burning.

why delta delta connection generally not use in transformer

4 Answers   Lanco,

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where can the transformer having vector group Yny0 be used??

0 Answers   GK Power, NEA, Petrotech,

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Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 Answers  

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What is Torque Vector Control in VVVF Drives?

6 Answers   PEL, Schneider,

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I need to compare the energy consumption of an industrial machine before and after improving. Shall I compare the apparent power or the active power? I know usually factories use compensated capacitors (or other similar components) to compensate the reactive power, so if I use the apparent power, it's not the real power consumed.

2 Answers  

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why is a avtomatic voltage regulator used for?

5 Answers  

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what is difference between fuse and breaker?

6 Answers   ABB,

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what happens when you connect a.c and d.c supplies

1 Answers  

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

0 Answers  

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Formula to calculate fault current flowing in the neutral line?

1 Answers  

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Resistance of a conductor in a close electrical ckt is practically zero why?

1 Answers  

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Why earthing is necessary for any equipment?

0 Answers  

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