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what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value
2212Please explain how to do 'tan-delta test' on AC generator? and where i get clear and brief detail, give any web page address.
1 5362hi... Can anybody give me description of type-2 coordination, IP protection, NEMA standards ? Thanks..
KSEB,
2 3872What are the main factors to be considered(In terms of energy conservation) while selecting a new air compressor?
1 3670In CT's they mentioned 400/5 or 1250/5, 1000/1 here 400,1250,1000 is Breaker Capacity what is the /5 Explain me briefly
2 5654In DC while we mention the voltage we are using -48V but in case of AC we mention only 230V not -230V, why we using -48V not 48V
2 5125what are the advantages of Horizontal isolation breakers v/s vertical isolation breakers in medium voltage switchgear class.
NNN,
1 2922Post New Electrical Engineering Questions
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING
How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?
Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com
what is maxemo work permit procedure
what is the purpose of shading ring or shading coil in electrical equipments.
Apparent power is expressed as V * I(Conjugate). Why not in V * I ?
How many double suspension hardware fittings are required on a double circuit transmission tower?
If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.
how much GROUND & NEUTRAL VOLT maintain in data center.
what kinds of Transformer oil grade is better for power transformer ?
how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you
R=*ΒΆ l/a
What kind of preventive maintenance are there for transformer?
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
how to failure indution motor insulation & how to improve heat in motor insulation
