why core is useful for a transformer ?and also in its operation ?

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What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

0 Answers  

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what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 Answers  

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What is superposition theorem?

0 Answers  

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

3 Answers   Focus, Focus Energy,

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HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

0 Answers   ISRO,

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from 33kv to 440v 2mva transformer how much full load current will be at ht side and lt side and which range of ctpt will be used?

1 Answers  

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Do you need any help with FEWA Electrical Supervisor exams?

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what type of relays used in transformers?

24 Answers   APTransco, BSNL,

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In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

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over frequency is the protection of turbine or alternator?

2 Answers  

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