Answer Posted / soms

for small Xmers(transformers)we use simple protective
devices i.e. fuses,for medium size we use overcurrent
relays, for large size Xmers we use differential protection
scheme recommended .

why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

2179

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who many types of fire explane with exmple

2205

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hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

1915

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explain safety measures in alternator?

1771

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what is the question paper model for section engineer in RRB

1876

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1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

1830

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why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1862

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plz send me the procedure and syllabus for mseb exam

3845

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how to calculate earth fault relay current and CBCT ratio

8330

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3phase cable calculation formula by motor load

1505

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

1427

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Why hydropower is called renewable source of energy?

1044

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Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

1996

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What is an 86-P or an 86-A trip

2066

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The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

2079

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