Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

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how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC

2 Answers  

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What is difference between mcb and mccb.

0 Answers  

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phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

3 Answers   KSEB,

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What are the difference between off-load tap changer and on-load tap changer in transformer?

2 Answers   HCL,

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how the earthing point or earthing is taken for ships and airplanes?

1 Answers  

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maximum transmission voltage in india ? & where is it situated ?

7 Answers   GIDC, OPTCL,

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what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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what is the difference between the electrical and electroncis

15 Answers   TCS,

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What is the difference between tie bus and bus coupler?

1 Answers  

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Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!

1 Answers  

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what are the duty ratings in DG sets?

1 Answers   L&T,

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