In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?
1 5548WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI
1644why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?
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2 3945Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
1277Post New Electrical Engineering Questions
Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.
What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?
how to calculte capacitor range for single phase induction motors??pls tel
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
he compression ratio for a petrol engine generally lies between
we specify current in case of feeder but in case of distributor voltage, why?
Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc
What are the weight of 800KV DA,DB and DC type tower ?
What is vaccum currcuit breaker.define with cause and where be use it device?
how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?
in 132kv substation CRT means
all interview questions with answers of ntpc (2000-2009
