Answer / subra

Operating voltage primary = 33KV
operating voltage secondary= 400v/230v
capacity of the transformer=?
tap changer =Online or off line
transformer oil cooling sys ONAN or ONAF
vector group=?
Indoor or oudoor tranformer
these are the details to collected

Find the netid and hostid for the following classful IP addresses? i) 117.34.3.8 ii) 132.57.8.6 iii) 207.3.54.12

2 Answers   UOG,

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what u meant of power plant?

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what is diffrence between neutral and earth wire

23 Answers   Bhel, Esab, MTNL,

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what is meant by dedicated earthing?

1 Answers  

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why Square root 3 used for three phase?

2 Answers  

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what is differential relay in power transformer??

8 Answers  

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3 Answers  

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if two bulb of 50w &30w apply in series having 230v the which bulb glow bright ,why

10 Answers  

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what is the difference between arc and spark

2 Answers   ABB, Jindal,

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hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 Answers  

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In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

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