Answer / balu

D rep delta in primary side
Y represent star in secondry side
N7 rep phase angle that means current is in 7 o clock position with voltage

Why we are going for converter transformers for DC drives application instead of distribution transformer?

0 Answers  

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what is power factor?

9 Answers   MAHINDRA,

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how many by pass system in online UPS.

4 Answers  

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In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??

2 Answers  

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State the frequency for rc phase shift oscillator?

0 Answers  

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Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

0 Answers  

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers  

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How many loops can be provided in a circuit as per IS rules.?

1 Answers  

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What is static frequency control used in gas turbines

1 Answers  

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Why size of HT cable is less then LT cable inspite of the fact that voltage is higher in HT cable?

2 Answers   L&T,

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Why alternators are rated in KVA?

12 Answers  

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What different between kw and kva. why maser AC in kva.

3 Answers  

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