Answer / mani0786

copper loss & iron loss for transformer/earth resistence
/voltage fluctuation for ht panel

What kind of test is conducted commonly for generator? And explain briefly

1 Answers   MAHINDRA,

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what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers  

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how to calculate the MF in meter reading

2 Answers  

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what could be the RMS value and average value of a 4 phase sine wave?

0 Answers   BARC,

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why air handling unit interloking in case of fire

3 Answers  

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what is difference between cpp electrical system and refinery electrical system

0 Answers  

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My meter ratio is -/5 and ct ratio is 100/5 now what will be the multiplying factor and how ?

1 Answers  

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will the turbogenerator operate on leading power factor with out modification in the stator winding.

3 Answers   Toyota,

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When we change the tap position of 10MVA transformer it suddenly tripped with Out of step indication and also with Static differential relay indication, Transformer Bucholz relay indn and Low oil level indication. Before 1 week the same problem occured by changing the tap position. but at that time only oltc bucholz relay activated. After testing the TxR Relay team & PET team cant find any solid reason. The values are ok also. So plz answer wat's the reason for this incident? anybody plz help.

3 Answers  

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what are the names of oil used in transformer and its chemical name?

11 Answers   Bhel, CSEB,

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HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

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What is the minimum permissive IR value for LT & HT motor for safe starting?

1 Answers   Rukmani,

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