On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

3 Answers   Ambe Consultancy, Siemens,

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Wat is da difference b/w neutral earthing and unearthed system?

2 Answers  

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1)What will you do if main incomer VCB fail in your site ?

7 Answers   Honeywell,

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If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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Why Transformer in KVA?

41 Answers   APCPDCL, Apollo Power, College School Exams Tests, Electrical Tech, Hitech, HP, L&T, MDL, Oil and Gas Jobs, TATA,

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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Explain RLC circuit?

0 Answers  

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what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?

3 Answers  

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What is the different type of class in CTS and why it is required

2 Answers  

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What is the basic principal of Diesel genarator?

3 Answers   Juniper Networks, MRF,

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How ships are protected from lightning?

1 Answers  

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what is active power & reactive power?

0 Answers   Avtech, Jindal,

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