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which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter
2050which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant
1880whydoes the p.f of diesel generator always be 0.8 explain how will you determine the shortcircuit capacity of network
1 3645how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?
ABB,
1982what is the clearances between phease to phease & phease to earth in 400 kv transmission line?
1 4257how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.
L&T,
2 6584Post New Electrical Engineering Questions
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?
What is gross error?
WHAT IS MEANT BY DERATING OF THYRISTOR?
Please elaborate th´evenin’s theorem?
State ohm’s law?
What is the resistance of the field winding of a d.c. Shunt generator kept low?
what is meant by brushed alternator & its working principle ?
Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
What are dcs and plc?
why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?
Why we are going for converter transformers for DC drives application instead of distribution transformer?
how to work droop ct in generating station
HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)
