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what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end
2427when any relay trips in any ckt then what type of setting is there in motor?what is function of relay in that ckt?
3 8312if current required for triggering thyristor at -30 degrees(temp) is 80 mA, what is the current required at 60 degrees
1 3872what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.
1 3907Post New Electrical Engineering Questions
Why earthing is necessary for any equipment?
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why
why transmission is only 3 phase and not 2 or 4 or poly phases
If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
why capacitive load is not used in routine life????any reason is there ??????
In siemens PLC, why do we want to move the data ?
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
In how we connect watt meter for open & short circuit test of a single phase transformer.
george phenomenon of synchronous machine
In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?
What is signal flow graph?
Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?
For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?
