in case of induction motor when overload condition or any short ckt. why stator winding burn not to be rotor winding2 3192
when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?5 8923
what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?1088
what is PID control in VFD drives?
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"1162
what are iron and copper losses4 14113
in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.1 2480
What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.1355
the need of star to delta anddelta to star2 3081
Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case1 2622
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
What are safety device in vcb and acb?
What happen when change order of CT in GIS feeder?
2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping
describe the phenomena of vacuum interruption in C.B
Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at firstname.lastname@example.org
Advantage of LT panel vs HT panel
What does the term power factor shows?
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
how to ctrl motor by use of ac or dc drive.plz explain evdintly
IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?
battery capacity use of made?
what is cathodic protection and why it use in industries?
electromechanical relay type identification example : type=tjmh t-stants for j- m- h-