What are protection of transformer on HT side & on LT side?

Question Posted / piyush rana

4 Answers
19806 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

What are protection of transformer on HT side & on LT side?..

Answer / santosh mulay

For HT tran. high winding & oil temp. alarm with triping
portection must be there. And Buchholz relay triping also
necessary. Addition to that Over current, earth fault realy
must be there.

Is This Answer Correct ?

9 Yes

2 No

What are protection of transformer on HT side & on LT side?..

Answer / nagesh.patwari

HT
Overvtg/undervtg, Earth fault,Surge protection, differential protection

LT
Undervtg, REF protection,Buccholz relay, sudden pressure relay, Overcurrent protection.

Is This Answer Correct ?

4 Yes

0 No

What are protection of transformer on HT side & on LT side?..

Answer / krishna

If the transformer is below 1000KVA, for the HT side
protection AB switch and HG Fuse must be used and for the LT
side protection ACB/OCB must be used.
If the transformer is above 1000KVA, for the HT side
protection VCB/ACB must be used and for the LT side
protection ACB/OCB must be used.

Is This Answer Correct ?

11 Yes

14 No

What are protection of transformer on HT side & on LT side?..

Answer / neeraj dubey

on ht side Drop out fuse used for overhead line and lt sie
HRC fuse with fsp ( Fuse section Pillar)

Is This Answer Correct ?

1 Yes

7 No

Post New Answer

More Electrical Engineering Interview Questions

Why charcoal and salt add in earthing pit.

6 Answers Garware, NTPC, Sterling Wilson,

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

0 Answers

I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 Answers

What is applied voltage for meggering a 6600V HT cable

2 Answers Sail,

What is the name of oil which is used in transformer?

3 Answers

How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

2 Answers

can we use ACB for HT supply

2 Answers Reliance,

How can we calculate the Rating of DG Set for a 4 kw motor?

3 Answers

why voltage between neutral and earth, with out secondary grounded distribution transformer

1 Answers Wescosa,

What is the purpose of reactor in over head transmission line.Can you any explain it.

2 Answers Dr Reddys, L&T, Reddy Labs,

how does PLCC work?...

1 Answers

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

0 Answers Biocon,

For more Electrical Engineering Interview Questions Click Here