What is meant by directional power and reverse power relay ?

1 Answers   HAL,

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What type of wiring series or parallel is used for conventional and addressable type FAS & why?

0 Answers  

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how can we solve the RMS value of alternative Qnty is .707 , explain detail .

2 Answers  

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why we are maintain phase to phase clearence

4 Answers  

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For which purpose the temp. rise test of transformer is conducted?

2 Answers  

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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 is the difference btwn grounding and earthing?

11 Answers   HAL,

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What is the difference between amorphous core transformer and CRGO core transformer?.

0 Answers   DAE,

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hoW to select a CT?

4 Answers   BARC,

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What are the types of AMF(auto main failure) panel.

1 Answers  

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in most industies hormonics present up to some level. what is limit ? and there effect?

4 Answers   Bhel,

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why the vfd motor take current high in vfd panel then mcc panel.current in vfd panel=160A in 93%.and mcc panel it shows 130A. (132kw motor)

1 Answers  

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