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Pulse transformer step up the voltage pulse, welding transformer has high leakage inductance, it protects from short circuit current

what will happen if synchronous machine rotor fed from single phase ac supply 

0 Answers  

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as ac supply is given 2 the transformer why it doesnot depends upon powerfactor????

2 Answers  

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One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain

2 Answers  

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why use -48 volt DC power in telecom?

3 Answers  

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why is it that the HT motors & motors having very low kW rating(<1kW) have windings connected in STAR, whereas the motors having in between kW ratings have DELTA connected windings??

5 Answers  

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which type of A.C motor is used in the fan (ceiling fan, exhaust fan, padestal fan, bracket fan etc) which are find in the houses ?

25 Answers   Airtel, MPPTCL, USSA,

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why reactive power control is required

5 Answers  

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Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

0 Answers   Jindal,

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why we r fixing harmonic filter

3 Answers   Siemens,

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What is VCB? Where it is installed?

11 Answers   Hyundai,

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What descriptive information does the NEC require to be marked on all conductors?

0 Answers  

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what is the function and use of oil filled cables specify its advantages and disadvantages

7 Answers   Alstom,

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