Answer / pradyumna chandra panda

R Y B are prime colour of every colour, that's why we use these colour for three phase supply. in foreign country they now use black, gray, white for three phase supply.

Answer / guest

ITS IS THE BASE COLOUR FOR ALL COLOUR

Answer / digvijay barge

Phase shift between three phase is 120
RY 120
YB 120
BR 120

Answer / kunal lakhani

R stands for red ,Y for yellow , B for blue which are the
three phases,R is for live wire

In a house wiring why we are using only one neutral wire and so many phase wires from the main board, when the load is common for both wires?

3 Answers  

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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Why single core cable required bonding at double end.

1 Answers  

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WHAT IS SYNCHRONISING?

8 Answers   L&T,

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how to take the 3 phase ups input and collect single phase output

1 Answers  

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how to test and calculat the head and discharge in borewell compressor

0 Answers  

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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What is the field weakening mode of a ac motor?

1 Answers   L&T,

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What are the different protection systems used to protect the transformer internally and externally?

16 Answers  

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why the transformer ratings in kva or mva?

4 Answers  

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How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

0 Answers  

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How to calculate the heat load for a electrical room

0 Answers  

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