What do you mean by S.F.U. unit? application of it.
- 16 Answers
- 100868 Views
- Indo Asian, I also Faced
- E-Mail Answers
Answer Posted / sunil kumar rout
sfu -switch fuse unit
it has combination of hrc fuse and a switch unit with different ratting.
when any short ckt hrc fuse is blown and its control ckt and power contactor trip with help of bmr,earth fault relay,ct operated relay,or any type of digital rlay. but in some cases switch unit not trip
it is a old model.
now a days mccb used.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.
what is difference between earthingpits,earthing grid & earthing mess?
what is meant by brushed alternator & its working principle ?
what is the function and use of cable differential protection relay?
What is depreciation factor?
What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..
as a electrical student why should i hire you?
What is the Minimum winding resistance of motors ( small & big)? referance range
How to operate a ac chilar plant?
Define newton's law of viscosity.
I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???
what is the minimum voltage require to injure our body?
What are motor generator sets and explain the different ways the motor generator set can be used ?
What is mean by STUB protection?
how to control the speed to switched reluctance motor
