Answer / asho sangamnerkar

This is Y with neutral on primary and secondary
windings.Other mainly are delta -delta;delta- star' star-delta

Answer / engr mudassar hussain

Star / star transformer
HV and LV windings both are star connected to each others.
Then used YN/yn symbol for type confirmation and neutral also available on both sides.

Answer / k.prakashchandra

Star/Star with neutral available. It is also YNyn0,In this
type another is Yy6 or YNyn6

how do you reduce the skin effect

2 Answers  

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I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.

9 Answers  

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induction motor. we have a three phase supply from diffrent source like R= transformer. Y = DG sets. B = ups. if motor is runing.

4 Answers   Birla,

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Is KCL applicable for close circuit?

2 Answers   Toto,

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how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

0 Answers   Harshal Electrical,

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which calss ct's,pt', use protection,meatering and others

1 Answers  

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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what is the excess air in furnace

0 Answers  

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Why usually in all electrical equipment taking more current in Y pahse like pumps,compressor,or any other applications

1 Answers  

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How can we calculate the rating of a cable with formula?

2 Answers   TATA,

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which motor will u use in refinaries?

1 Answers   IOCL,

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If there is major % of Voltage harmonics in the system, how can it be control or reduced?

0 Answers   JCN, Wipro,

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