Answer / sudipt jena

In two wire method,we can measure the resistance of only one winding. Where as in 4 wire method we have the facility to measure both the LV and HV winding at once.

How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

0 Answers  

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condition Autotrip facia come on control panel of electrical transmission line?

0 Answers   Getco,

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what is let through energy of mccb

2 Answers  

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What is difference between Electrical & Electronic Device? 

7 Answers   AZ Engineering, Vodafone,

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What is the life of MCCB

1 Answers   Siemens,

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What are the types of excitation system?

0 Answers  

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(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

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I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?

1 Answers  

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

0 Answers  

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HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

0 Answers   ANZ,

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what is reactive power and active power

4 Answers  

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If in a 3 phase supply if the load current is 200A what value of current the each phase R,Y & B will carry?

5 Answers  

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