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How to calculated cfm of the 12*12size of Room
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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.
why dimmerstate always connected in star connection? what will happen if it connected in delta?
what is the requirement regarding earthing of Single conductor with AWA
what is deffrence between squirral cage and wound rotor in IM?
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
How does an oscillator differ from an amplifier?
what is negative and zero impedance in 3 phase induction motor ??
what is excitation/
What is dc current source?
What is the emf equation of a transformer?
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.
In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?