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What is the difference between CRNO and CRGO in an
transformer and what is the advantages of these two.
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CATHODE RAY NEGLECT OPTICALS,
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how we will deside the high voltage value
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
What is the effect of positive feedback on the stability of the systems?
explain the Trip supervision circuit
what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?
detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron
pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )
How can we calculate ac current from the given DC current when AC voltage is given?
if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current
can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
In a single how much maximum current and watts using
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
Can we put 3 layers of cable tray while installing tray
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
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