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tube light starter:only for startung current limit purpose
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How DC earth leakage currents can be reduced ?
why we r not earthed Control cable of C.T. terminals
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters
What is making & breaking current ???
What is the mechanism of WTI
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?
what are safety measures in /control in diesal engine/ explain them?
Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.
which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?
Discuss about gear cutting machines.
What are the specifications for getting approval of Substation?
what is magnetizing current test in power transformer
define reflection method?
