what is the difference between STAR and DELTA connection
and application wise how it can be utilizedd
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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions
Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??
How will you explain transformer action in case of 3-phase induction motor?
Why dc voltage used to excite alternator field in stead of ac?
If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?
I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?
what is the use of breather in transformer?
what is mind in cable
What are Contactors? How they works and what its highest rating?
For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.
How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?
what is the difference between online and offline UPS?
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