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what is the difference between thermal magnetic release and microprocessor based release breakers. what are the advantages of latter over the first one...
5 62630what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate
3 37568wat are the transmission losses.... how can it be compensated....... wat s power system.......
1 5812If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?
2040how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
OPS,
2851Post New Electrical Engineering Questions
how to calculate transformer load?
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
The synchronous machine excitation system explain
how can we select the appropriate VCB ?
Why we are going for converter transformers for DC drives application instead of distribution transformer?
How out of step protection relay works?
why do we put a transformer on soak before loading it
what is difference between earthingpits,earthing grid & earthing mess?
What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?
how to modify DOL control panel into Delta Y connection?
Why reactors use before incoming of ac vvfd drive?
For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?
UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?
How to decide whether A / B / C / D curve type MCB should be used?
What is Instantaneous Earth fault relay,how will work
