why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.
1 3567How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
1714what is the working principle of energy saver control panel. please give the complete calculation & theory.
1835For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?
3 7937Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
HAL,
1653Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why?
HAL,
5 6032How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
HAL,
1592Post New Electrical Engineering Questions
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
send me any model test paper of clerical post of state bank of india.......
What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?
What is power in wattage of 8.5 TR AC
As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?
What is difference between safe PLC and normal PLC
How many types of probe used in cro?
Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?
where does 22kv line starts
what are problems caused by the pdu in rack server
what is arc flash and what are the hazards involved
why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
Why is the frequency not changed during transformation of electrical energy in a transformer?
What is real time power factor control panel(RTPFC)?
why we use single core 630mm2 cable for transformer secondary side
