number of I/O devices in siemense plc
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Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
why do you give the dc supply to field of alternator
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
what happend if the protection ct is by mistake put instead of measuring ct & vice versa?
what is the concept of star delta starter?
1 KVAR = 1.3Amps but, 25KVAR capacitor/690V capacitor takes just 21Amps as leading current, what is the reason? Please explain...
what is diffrence b/w -48vdc and +48vdc ?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
Why dc voltage used to excite alternator field in stead of ac?
What is meant by knee point voltage?
WHAT IS VCB SAFETY
why dc series motor high speed motor
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