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For 7.5kw star delta starter how to calculate 1. Mccb rating 2. Contactor rating 3. Over load relay rating
1 7144In LT cables 3.5 core cable are available that means 3 core and .5 for neutral Why .5 for neutral and is there any reason for that please suggest thanks and regards pavan kumar
1 3852Why 268hp induction motor taking different current in three different phases? (In which two phase having same current and one having higher value compare to other 2 phases.)
1 3347Post New Electrical Engineering Questions
State Maximum Power Transfer theorem.
what is frequency response?
Purpose of providing neutral isolation panel for parallel operation of diesel generator
What is the use for cable entry in control room?
For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation
what is the sludge current
What do you mean by power transformer?
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
What is the main use of rotary phase converter ?
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking
What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?
in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain
draw the block diagram of fire alarm?
