Answer / sunil

by changing the field winding connection.we can change the
rotation

Answer / simon

Change suppy connection.

how to build a network which step down 415v to 1v rms

0 Answers  

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what is the difference between diode and zener diode?

21 Answers  

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what happens if the phase sequence of parrlel connected sys will changed & phase displacement

1 Answers  

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers  

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Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

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what is differance between PT-100 and thermocouple?

1 Answers  

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load increase means 1 resistance increase 2 load resistance decrease 3 current increases through load 4 none of these

3 Answers  

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What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

0 Answers  

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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 Answers   ABC,

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i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 Answers  

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

1 Answers  

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Resistance of a conductor in a close electrical ckt is practically zero why?

1 Answers  

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