www.comtrafo.com.br

The COMTRAFO S.A., a company COMTRAFO GROUP SA / ELETROTRAFO, follows a policy of
continuous progress in improving its products. Therefore, this informative book is subject
to changes without advance notice.
Manufacturing line:
Dry type transformers and distribution encapsulated in epoxy resin under high vacuum;
Oil insulting type transformers and distribution - Compact line;
Oil transformers and distribution - Conventional line;
Oil transformers as Pedestal type - Pad Mounted ;
Transformers and auto transformers oil insulated - Power line;
Special transformers.
COMTRAFO S. A. - FACTORY 1
Manufacturing Unit of Dry type and Oil type distribution Transformers
280, Agostinho Ducci Avenue, Parque Industrial. Zip Code 86300-000. Cornélio Procópio,Pr,Brazil.
Phone: +55 (43) 3520-3891/[email protected]
COMTRAFO S. A. - FACTORY 2
Manufacturing Unit of Power Transformers, Boiler, Medium Voltage Circuit Breakers and Services
Chácara Paraíso Road, Rural Zone. Zip Code 86300-000. Cornélio Procópio, PR, Brazil.
COMTRAFO S. A. - FACTORY 3
Silicon Steel Processing Unit
212, XV de Fevereiro Avenue, Downtown. Zip Code 86300-000. Cornélio Procópio, PR, Brazil.
COMTRAFO S.A/ELETROTRAFO GROUP - SALES OFFICE
Carneiro da Cunha Street, 167 Saúde - São Paulo - SP
Phone: +55 (11) 5581-9301/[email protected]
www.comtrafo.com.br
Dry Transformers
DRY TRANSFORMER ENCAPSULATED IN EPOXY RESIN UNDER VACUUM
Temperature
indicator
USUALLY OFFERED ACCESSORIES
LV Terminal
B
Neutral
Terminal
Thermic sensors, eyelet for suspension, two points for
grounding and bidirectional wheels.
NOTE: Central for temperature control with
thermometer is optional. The HV, LV terminals can be
located in the bottom, upon client's request.
DIMENSIONS – IP 00
ASSEMBLY - IP 00
RESIDRY transformers,
conventionally, are provided with
protection level IP 00 for sheltered
installation.
HV Terminal
A
INSTALLATION IN CABINETS
With the objective of avoid overheating that could be
damage the gear, the cabinet has openings in bottom and
top that enable the change of air necessary to ventilation.
Panel for switch
Legend:
D
Support base
Grounding
terminal
CONVENTIONAL ASSEMBLY
Ideal size for openings (m²) dissipate the ideal heat
produced by transformer must be calculated from
the following formula:
Features
HV tension class: 0,6kV, 1,2kV, 7,2KV
15kV, 25kV and 36,2kV
LV tension class: 0,6kV, 1,2kV, 7,2kV, 15kV
Temperature class: F (155 ° C) or H (180 ° C)
Frequency: 60Hz / 50Hz
Standards: ABNT NBR 10295 FEC 726
- HV Terminal
- LV Terminal
- Neutral terminal
- Identification plate
– HV Tap changer panel
- Terminal for grounding
- Thermometer with 2 contacts
– Suspension gadgets
- Bidirectional wheels
- Coils
- terminals ruler
– Base for Support/ Wheels
- Core
– Base for Jack
C
POWER
( KVA )
HEIGHT A
150
225
300
500
750
1000
1500
2000
2500
3000
1240
1330
1600
1730
1900
1900
2030
2130
2130
2300
1480
1510
1480
1700
1740
1710
1930
1960
2110
2310
DEPTH C
TREAD D
MASS
( Kg )
830
830
830
970
970
970
970
970
1020
1050
720
720
720
820
820
820
820
820
820
820
690
820
1010
1585
1860
2410
3130
4170
5120
5810
ASSEMBLY IP 21/23
ASSEMBLY IP 21 / 23
Upon request, the RESIDRY transformers can
be provided in enclosures IP 21 or IP 23 for
indoor installation as the dimensions below.
Area
Loss
2
The painting of the standard cabinet is gray
MUNSELL 6.5, electrostatic powder.
NOTE: Dimensions for other degrees of
protection, upon request.
AIR X 1,1
HOT AIR
EXIT
Position description
AIR
COLD AIR
ENTRY
Tecnologia transformando energia
WIDTH B
A
Bidirectional Wheel
01
02
03
04
05
06
07
08
09
10
11
12
13
14
01
02
03
04
05
07
08
12
-
Removable side
Main Structure
Grounding Screw
Nameplate
Upper ventilation
Suspension eyelet
bidirectional wheels
Temperature indicator
D
E
B
C
POWER
( KVA )
HEIGHT A
WIDTH B
DEPTH C
TREAD D
MASS
( Kg )
150
1460
1700
1000
720/780
910
225
1540
1700
1000
720/780
1040
300
1820
1700
1000
820/780
1260
500
1880
1900
1050
820/830
1885
750
2200
2000
1100
820/880
2210
1000
2230
2000
1100
820/880
2760
1500
2350
2150
1150
820/930
3530
2000
2350
2150
1200
820/980
4620
2500
2450
2300
1250
820/1030
5640
3000
2600
2550
1250
820/1030
6460
Orientative dimensions subject to change without notice. Further information Upen request.