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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?
1935what types of fault occurred in transmission line ? which protection function senses the fault?
1 3252what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?
1 4414I 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 4026What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.
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2604What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?
JLL,
3 9910transformer is connected with 50hz and 60hz at same rating which will give more output on same rating
2 4106As 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,
3645i 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 4598Post New Electrical Engineering Questions
how to check ac servo motor
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
While testing a ZCT what parameters have to check or measure?
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
What are the different types of hydro schemes?
condition Autotrip facia come on control panel of electrical transmission line?
can i connect REF and Differencial relay in 1 CT core for transformer protection?
How the PF control while running DG set with load
What is meant by Load Encroachment in OHL Feeder Protection?
What do you mean by transformation ratio of instrument transformer?
why u r living from presentaly working.
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?
How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?
What is stepper motor?
