Why DC weldings sets preffered over AC considering human safety aspects ?

2 Answers  

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what is meant by dielectric breakdown ? where we using HV test kit & what purpose?

3 Answers   ITC Infotech,

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what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

0 Answers   PCL,

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 Answers  

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what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

2 Answers   BPC,

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Does the isolator has a making capacity????????

2 Answers  

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What is meant by SMPS how it working ... and where it used

2 Answers   MTS,

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Megar test tell sufficient resistant

1 Answers  

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If the load is 10Kw and power factor has to improve from 0.5 to 0.8,how can we select the capacitor rating accordingly.Illustrate by showing formula?

9 Answers  

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what is mean by tan-delta tap in the potential transformer??

2 Answers  

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Which type of Oil is used in transformers, & what is its strength?

1 Answers  

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In LT Line What is the minimum clearance required between phase to phase busbar & between Phase to body of the panel? Also between Neutral &phase, & Neutral & body of panel. as per standards.

1 Answers  

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