why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

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I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

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Is vtg is controlled by the resistor? if else how much?

0 Answers   Sail,

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

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how water and air molecules are conduct the heat?

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how to find the Motor,s insulation Power?

0 Answers   Gourmet Group,

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Why is water motor not taking the pressure? what is the problem?

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can we use engine degreaser for electrical motors?

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If not maintained 3 phase clearance,what happened ?

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How frequency meter measuring frequency? What is the principle of frequency meter?

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what is total power generation in tamilnadu What are the methods used powerfactor improved? which place DC transmission line usde?

5 Answers  

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any one have papers of hpcl or sailof ELECTRICAL ENGG.

1 Answers  

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