Answer / ramendra shukla

The transformer classification is based on -
(a) Construction (B) As per Load distribution (C)Cooling
&insulation
(a) Construction-
(i) Core Type
(ii)Shell type
(b) As per Load-
(i) Distribution X-mer(below 33KV)
(ii) Power Transformer (above 33Kv)
(c) Cooling-
(i) Air Natural Cooled (Dry Type)
(ii) Oil cooled
(iii) Water cooled
(iv) Coolant Cool(SF6) etc.
There are also a special type of X- mer used in Elect.
industry named as AUTO TRANSFORMER.in this x-mer we will
done primary & Secondary winding on the same which ensure
the saving of conductor material.

Answer / amit

DIFFERENT TYPE OF TRANSFORMER ARE FOLLOWINGS

1 STEP UP TRANSFORMER
2 STEP DOWN TRANSFORMER
3 VOLTAGE TRANSFORMER
4 CURRENT TRANSFORMER
5 SHELL TYPE TRANSFORMER
4 CORE TYPE TRANSFORMER
5 DISTRIBUTION TRANSFORMER
6 POWER TRANSFORMER
7 AUTO TRANSFORMER
8 FREQUENCY TRANSFORMER

Answer / kalins

(a) According to Phase
(1) Single phase
(2) Three phase
(b) According to construction
(1) Core type X-former
(2) Shell type X-former
(3) Spiral core type X-former etc.

Answer / sonu pal

1. power transformer
2. Distribution transformer

Answer / kumaresan . a

Step up transformer
Step down transformer

Answer / vinoth.s

ans: 2(two)
auto transformer
double winding transformer

where used of HVDS system.

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