Answer / a k shukla

AC change path called frequency having 0 to 360 degree and
all alternator phase sequence design at 120 degree
differences ie 0/360 - 120 - 240 Degree universal in
3 phase sequence called R Y B

Answer / karun

We can transfer power 2 or 3 or 4 phase but we know that
actually power generation is done in 3 phase it is economic.
If we want to transfer 4phase we should generate power from
different generators.
and i agree this answer
"AC change path called frequency having 0 to 360 degree and
all alternator phase sequence design at 120 degree
differences ie., 0/360 - 120 - 240 Degree universal in
3 phase sequence called R Y B."

Answer / kumaresan r

R Y B OR 3 PHASE R N , Y N , B N, OR SINGLE PHASE R Y , BY , YB TWO PHASE ............................................................................................

Answer / simon

There is a device namely alternator/Genrator (big size) which genrates 3 Phase supply i.e R,Y,B in max of 11000v or 11kv only in India. Hense the multiple will b always in 3.

What is the basic difference between earthing, ground and neutral?

11 Answers   Balco, Cognizant,

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SIR I AM GOING TO TAKE PART IN JINDAL ENTRANCE XAME OF 4TH OCT. PLEASE SEND ME SAMPLE QUESTIONS FOR THAT ON MY ID JITENDRA1603@GMAIL.COM

1 Answers  

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

3 Answers  

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In scott connected transformer number of turns in the primary winding of teaser transformer is % of number of primary turns of main transformer A 86.6 B 57.7 C 14.4 D 33.3

1 Answers  

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DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

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why CT out put is 5 what ever the primary current.

2 Answers  

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what is encoder & its use?

1 Answers   ACC,

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How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.

0 Answers  

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Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.

2 Answers  

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why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?

4 Answers  

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which type of material is used for making motor encloser

3 Answers  

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