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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
1874what types of fault occurred in transmission line ? which protection function senses the fault?
1 3166what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?
1 4320I am an electrical engineer, I found variation in KWH between DG and EB for Same load for same duration, can any one help me why this variation arises?
1 3915What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.
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2553What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?
JLL,
3 9737transformer is connected with 50hz and 60hz at same rating which will give more output on same rating
2 4000As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
NAL,
3591i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?
2 4488Post New Electrical Engineering Questions
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
Different types of relay fault which phase sequence??
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.
When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is
How CFL &T5 tube light glows?
How do we calculate over and under frequency tolerance from generator data?
What is tranformer differtial?
63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?
Testing procedure of DG alternator stability test
control & auxilary circuits used for circuir breakers
The moisture in air will condense at
Leakage current,un balance current which relay using for high voltage transmission?
What is the polarization index value ? (Pi value)and simple definition of polarization index ?
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Define cuttoff frequency?
