17/03/2018
Construction of a Transformer | Parts of a Transformer
of a Transformer
1
Oil filter valve
17
Oil drain valve
2
Conservator
18
Jacking boss
3
Buchholz relay
19
Stopper
4
Oil filter valve
20
Foundation bolt
5
Pressure-relief vent
21
Grounding terminal
6
High-voltage bushing
22
Skid base
7
Low-voltage bushing
23
Coil
8
Suspension lug
24
Coil pressure plate
9
B C T Terminal
25
Core
10
Tank
26
Terminal box for protective devices
11
De-energized tap changer
27
Rating plate
12
Tap changer handle
28
Dial thermometer
13
Fastener for core and coil
29
Radiator
14
Lifting hook for core and coil
30
Manhole
15
End frame
31
Lifting hook
16
Coil pressure bolt
32
Dial type oil level gauge
of Transformers
There are two basic Types of Transformers
Single Phase Transformer
Three Phase Transformer
Below are the more types of transformer derived via different functions and operation etc.
of Transformers w.r.t Cores
Core Type Transformer
Shell Type Transformer
Berry Type Transformer
of Transformer w.r.t uses
Large Power Transformer
Distribution Transformer
Small Power Transformer
Sign Lighting Transformer
Control & Signalling Transformer
Gaseous Discharge Lamp Transformer
Bell Ringing Transformer
Instrument Transformer
Constant Current Transformer
Series Transformer for Street Lighting
of Transformer w.r.t Cooling
Self Air Cooled or Dry Type Transformer
Air Blast-Cooled Dry Type
Oil Immersed, Self Cooled (OISC) or ONAN (Oil natural, Air natural)
Oil Immersed, Combination of Self Cooled and Air blast (ONAN)
Oil Immersed, Water Cooled (OW)
Oil Immersed, Forced Oil Cooled
Oil Immersed, Combination of Self Cooled and Water Cooled (ONAN+OW)
Oil Forced, Air forced Cooled (OFAC)
Forced Oil, Water Cooled (FOWC)
Forced Oil, Self Cooled (OFAN)
of Instrument Transformer
Current Transformer
Potential Transformer
Constant Current Transformer
Rotating Core Transformer or Induction regulator
Auto Transformer
