why do some transmission towers have two insulators at one side and three insulators at the other side

2 Answers  

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if the 10 hp motor name plate indicates rated current as 13.6 amp the what will be the thermal relay setting? Why? And in how much time relay will trip at the set value?

2 Answers  

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why transformer fuse wire is very thin as compared to home fuse wire while voltage lavel is low

1 Answers  

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what is the max. acceptable leakage current in 33kv bus bar

0 Answers   Tanesco,

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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

0 Answers  

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why transformer donot allow the dc?

17 Answers   ONGC,

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What is difference between Sample test and Routine test in safety standard?

0 Answers   Chicony Electronics,

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In Which vector group power transformers are mostly manufactured?

1 Answers   MRF,

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What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

0 Answers  

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generally the electrical equipments not to be operated at leading power factor, why?

2 Answers  

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Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?

0 Answers  

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define reflection method?

0 Answers  

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