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why three phase system is not preferred in aircrafts power
cckts if yes than explain reasons?
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what is PWM in IGBT and how it works for drive.?
how we decide the require size is this for a known current at fuu load?
What is the most important precaution in any experiment with d.c. Shunt motor?
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel
What is the operating principle of turbo-generator.
# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in
The shot circuit in any winding of transformer result? Explain
What is quadrantal symmetry?
Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
What is DC series motor?
