Answer / pundlik wanwe

Transformer properties are governed by the 2 Indian
Standards.1) IS 335 & 2)IS :1866
IS 335 is for new oil
IS 1866 is for oil in service
For the transformer in service as long as oil in
transformer is ok as per IS 1866 there is no requirment as
such for filteration of oil, but you have to follow the
manufactuer's instructions regarding this

Answer / geno peter

well , if the BDV is found ok, then not required to filter
the oil

Answer / ramjeet singh

Yes; at least once in a year it should be filtered and
tested as per IS 1866-2000 to withstand not only BDV,
moisture but all the 9 test parameters; as at least we
should know what has happened in terms of oil
characteristics within a year.

Answer / transformer oil filtration

<a href="http://oilfiltrationronyyee.blogspot.in/">Transformer oil filtration</a> :- We specialize in Transformer oil filtration & alternative oils filtration -recycling solutions for a global market. We also offer high-quality products for customers all around the world from different industries. =============

Answer / yokesh

at TNEB standards 40KV @1 min its a with stands the oil in
good condition. gap between two poles is2.5mm.

how to measure the dc current?

3 Answers  

When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2 Answers  

Wht ar the reason for low voltage on consumer side?

6 Answers  

I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

2 Answers   Data Entry Operator, RRB, SSC,

how to calc. current for 5MVAR,50hz,33kv

1 Answers  

What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

what can i do, if i want to carrier in design as i am electrical engg?

3 Answers  

In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required

1 Answers  

In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

11 Answers   BSES, Electrical, L&T, PSIT,

Electrical Diagram of Electric Arc Furance from transformer to Furances

1 Answers  

in 220/132 substation in place of PT what equipment used & what r the role of that equipment

2 Answers  

diffrence between abcb and mocb

1 Answers   UltraTech,