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 2842Can 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 4678can we use existing 6300V alternator for generating 6600V by increasing excitation,what are advantages & disadvantages to alternator & motors of 6600V.
GMR,
1 3554can 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 2471why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?
2601what is the diff between VCB & ABCB breaker in substaions? explain the operating priciples of VCB & ABCB
1 5524Post New Electrical Engineering Questions
Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?
what is meant by brushed alternator & its working principle ?
1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks
What is meant by stator? What is meant by rotor?
surge tank, hrc fuse, earthing transformer, firm power objective type
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?
How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?
how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???
at what base you will tell the direction of rotation of dc motors and generators?
How to calculate loses in transformer of 160 KVA ?
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link
If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.
