Why -48V dc power supply using in telecom field?

7 Answers   APC, Cisco,

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how we done power management?

1 Answers  

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I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 Answers  

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What is the difference between PLC and Embeded system

0 Answers  

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what is the max load on a 10 mva transformer & plz define it with its formula

0 Answers  

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How I design capacitor bank for different load.7MW connected load.

3 Answers   Samtel,

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The efficiency figures for energy efficient motors (in comparison with standard efficiency motor) can be generally higher by____%.

1 Answers  

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

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what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

0 Answers  

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DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

0 Answers  

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What types of high speed CMOS circuits have you designed?

0 Answers   Ansal Housing, IBM, Intel,

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What is the classification of hydro projects based on installed capacity?

0 Answers  

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