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in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?
2283why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?
1 4298why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?
DLF,
4 52760In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?
1 4270which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
2186what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
2108why we always consider Bulkage due to the voids only for the Fine aggregates not for the Coarse aggregates
3 9479
What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?
why high speed tripping relay will be used in tripping circuit why not normal relay
How to configure Network printer What is DHCP? what is the use of DHCP?
I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??
What is monolithic ic?
Do you know what is dry-out test in x'mer
how does a soft starter works
state the disadvantages of carbon filament???
on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help
What is the advantage of memristor?
Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
What is the mistake in the following program segment ? f() { int a; void c; f2(&c,&a);}
Why in open-wheel racing cars torsion bars (of suspensions) are removed in case of wet track?
how to increase senstivity of ct
