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in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y
2 4399What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..
ABB,
1861Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?
1870Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?
1906Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
1924What are the disadvantages if neutral current exists in grounded star transformer distribution system?
1 5438What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
1776What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
2 26339What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
1979What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?
Bhel,
2 11119Post New Electrical Engineering Questions
What do you mean by a current transformer?
draw 3 phase rectifier diagram
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How to calculate the phase to phase clearness of HT /// LT bus bar?????
Work done in a free expansion process is
Draw transformer phasor diagram.(full load,no load)
How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?
WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.
what is the effect of power factor of machines in starting current
should %impedance be high or low in a power transformer? if so why?
What is difference between Harmonic and Non harmonic Capacitor Bank?
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
what is the use of power transformer in GSS.
what is thresold of perception
How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?
