What is OT in a transformer, specify its function.

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In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

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ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

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

0 Answers   GK Power, NEA, Petrotech,

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when two gen set runing in parallel but thay have diffrent pole pitch, then what will be happan

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Give some differences between open loop and closed loop?

0 Answers   Ericsson,

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

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the typical output of a solar cell is........

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how megger step up the DC voltage

1 Answers   Voltech,

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how to claculate earth strip size for 1500kVA transformer for neutral and body

4 Answers  

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What is the difference between rulling span and wind span of of an Over Head Transmission Line?

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how does the switching of capacitors in a capacitor bank take place when we use them at the load side to reduce the power factor?

2 Answers  

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