how to calculate the Neutral transformer impedance?

0 Answers   Schneider,

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What is servo Motor? What's the advantages of this motor over Induction motor?

1 Answers   Amtek,

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i want to learn control schedule for 11kv panel? can any one send the detailed control schedule?

0 Answers  

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STATE USE OF ARC RUNNERS & SPLITTERS ?

0 Answers  

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Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

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An electric bulb giving light but at the time of lighting which one it takes? voltage or current

6 Answers  

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what is a synchronizing lamp ?

0 Answers  

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Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1.  H1-H2 = H2-H3 H3-H1 2.  H2-H3 = H3-H1 H1-H2 3.  H3-H1 = H1-H2 H2-H3 For the LV side also: 4.  X1-X0 = X2-X0 X3-X0 5.  X2-X0 = X3-X0 X1-X0 6.  X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0  H2-H0  H3-H0    X0-X1  X0-X2  X0-X3 128.0  119.9  7.2      29.2   13.3   15.8 70.7   128.4  59.2     23.4   22.0   3.6 7.2    120.1  128.1    13.4   29.3   15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?

0 Answers  

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415v 14kw so can u tell me how i can measure the cable size.then size of the earth also

1 Answers  

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which starter is used for synchronous motor

18 Answers   APTransco, IBM,

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how much flux density of CRNO core

0 Answers  

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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