Why oil preferred over the air as a cooling medium for high rated transformer?

1 Answers  

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how to measure the dc current?

3 Answers  

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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 Answers  

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How to design CT for connected with Transformer OLTC operation? normally CT output design for 1A/5A range but during OLTC Tap position changing time how to function the CT?

1 Answers   HEG,

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

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Why there is a current in neutral line

3 Answers   Honeywell,

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hi how are you? i m in walchand college of engg. do you have interest in join me through email so send your email id

0 Answers  

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why does chattering take place in ac contactors? can it be avoided & what care does the manufacturer take to eliminate this phenomenon????

10 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

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why the pressure coil is not present in the three phase wattmeter?

1 Answers  

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Use of switch mode power converter in real-time basis?

0 Answers  

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