can you give main difference between ELCB And RCCB?

38 Answers   MCB Bank, Reliance, Wipro,

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What are the methods/types of distance protection schemes used in transmission system?

2 Answers  

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What are the properties of a resistor?

0 Answers  

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What is the function of a pressure Switch in a Substation?

2 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

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how to reduce power loss when the tranmission under long distance?

19 Answers  

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electrical ques

0 Answers  

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

0 Answers  

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on which power factor synchronous motor run

2 Answers   Bhel,

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Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 Answers  

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