Is it reuired to use house service barcket for 31/2 core 300 Sq.mm cable,if the distance between pole & shop is around 2 mtrs only or can I hang the cable with GI support in air? upto what size of cable GI serrvice btacket is necessary?
HAL,
1 2793Can I do body earthing of machine by using Cable armour or I have to run another GI wire for body earthing and how many wires I need to run. Is there any rule for this. eartnig
HAL,
3 4605can we use existing 6300V alternator for generating 6600V by increasing excitation,what are advantages & disadvantages to alternator & motors of 6600V.
GMR,
1 3501can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.
1 2424why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?
2571what is the diff between VCB & ABCB breaker in substaions? explain the operating priciples of VCB & ABCB
1 5471Post New Electrical Engineering Questions
What are the advantages of autotransformer?
How 3 phase invertor works?
What difference between ref protection and differential protection ?
Which type of transformer is used for lighting loads?
What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
What is CVT and what is relation with wave trap?
1sq mm dc powr cable can carry how much dc currnt
What are the types of transformers according to the arrangement of iron cores?
can we use trip light with bus coupler?
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
why asa method ZPF method is more accurate than ASA method?
How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?
List out the different frequency domain specifications?
what r the safety measures in UPS ? explain all?
what is breathing?