How to calculate the rating of ELCB OR RCCB for an equipment?

2 Answers  

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whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

0 Answers  

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why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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what is slip what is the use of slip?

1 Answers  

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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

0 Answers  

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What is non-minimum phase transfer function?

0 Answers  

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1.Is there any difference between terminologies,HT-HV &LT- LV? 2.What is the highest transmission voltage level in india?

5 Answers  

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What are the protections for safe running of electric generator?

0 Answers   Hetero,

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how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 Answers  

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

4 Answers  

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Why generally the Rating of Transformers are in additions of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........

8 Answers  

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