Answer / raja

Yes correct. it is only for identification. I have seen
Saudi Arabia in a steel plant we used Black, Broun, Blue
and for neutral dlack with white lining and earthing as
usual yellow green wire.

in case of three phase induction motor,when it is connected to three phase supply,why the magnetic field is rotets around the armeture?

5 Answers   Hindalco,

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Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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Explain the Term in CT Name Plate – Class: 5P10

6 Answers  

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Why LVDT have secondary windings connected in differential 1. Higher out put 2. Based on the out put voltage-/+, helps to identify the direction of displacement 3. To establish a null/ reference point

1 Answers   GATE, PSPCL,

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stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

0 Answers  

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Transformer not operated in dc ! why?

10 Answers  

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what is phase and neutral.

16 Answers   HP, Voltech,

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difference between ac and dc generators

4 Answers  

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how the capacitance is caluclated if the load is varying to keep the power factor constant(above0.95)

1 Answers  

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jomel,

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what is the meaning of transformer short circuit test?

7 Answers   HZL, L&T,

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What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers  

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