what are the differences between MCB and MCCB ?

19 Answers   Bhel, DLF, Omax,

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What is the difference between ELCB and RCD

7 Answers  

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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battery spicgravity mesuserd?

1 Answers  

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Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

1 Answers  

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what is different between auto transformer and vriac

4 Answers  

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what's float charger and boost charger? why it's used?

2 Answers   APCPDCL, PTCL, Rolls Royce, Siemens,

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What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

0 Answers  

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I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

0 Answers  

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Difference between hopkinson and swinburne's test

1 Answers  

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66kv under ground cable how to layaing in ground any special case two ckt r runing

0 Answers  

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How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

0 Answers  

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