Intact Transformers Intact
Intact Transformers Datasheet		 Transformers
Transformer in Dubai
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Transformers
Features
 
Ranges: 50VA through 10MVA
 
Dry, Oil immersed and cast resin type transformers
 
Computer aided design
 
Imported high quality materials
 
State of art technology
 
Highly trained work force
 
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Three Phase Transformers Dry Type

Power Input Output Frequency
25VA to 2500 KVA From 110V to 690V From 12V to 690V 50/60Hz

S3 Phase openpecifications:

  • Open type continuous duty
  • Insulation class F & H
  • Double Wound Copper Wiring
  • Natural Air codled, dry type
  • Vaccum Impregnated
  • Maximum temperature rise 115 deg C to 50 deg ambient
  • Connections on terminal blocks upto 40 Amps
  • Connection on Copper bolts above 40 ampere load
  • Cold rolled grain oriented laminations. 0.23 & 0.27 mm
  • Efficiency 95% to 99%
  • Vector graphs Dynll, Dynl, Ddo, Dyl, Ydl, Yz1, Yd11 Yz11, YyO,
    Ddo, Dzo, Yy6, Dd6, Dz6, Dy7, Dy5
  • Flux density (Bm)=95 kilo liner/sq inch
  • Enclosure: IP-23, IP-44, IP-55 in metal enclosure powder coated RAL 7032
  • Standard voltages : 12/24/48/110/120/127/220/230/240/380/400/415/440/460/480/500/600/660/690 Volts
  • Voltage regulations : 3%
  • Short Circuit Voltage : 4.5%
   


Sample Technical Data Sheet for LV/LV Transformer

Technical Data                                                                              
Design Data 
Manufacturer
Intact Controls
Model Number
IT3-250KE
General Data
1
Type
Dry type
2
Standard, Codes
IEC/EN
3
Supply / Technical Specification
AF-000-ES-0005

Environmental Conditions      

1
Place of installation( Indoor/Outdoor/ Under Shelter)
Indoor
2
Altitude
Sea level
3

Max. ambient temperaure 
Max.40 Deg.C  
4
Relative humidity
91%
5
Special Conditions 

Presence of high salt content
& vessal Vibration/ Inclination
6
Tropicalisation
Yes
7
Environmental , climatic fire class
AF-000-ZZ-001
8
Duty( Continous / Intermittant)
Continous
9
Degree of protection
IP-23
10
Climatic Environmental Class
C2/E2

General Characteristics

1
Rated Power(KVA)
250KVA  
2
Rated Primary Voltage
440V
3
Rated Secondary Voltage at no load 
250V
4
Secondary Voltage at rated power at 0.8PF
230V
5
Rated Frequency 
50Hz
6
Number Phases
3
7
Vector Group
Dy11

Type of Transformer

1
With Separate  Transformer 
Yes
2
Auto-transformer 
No

Insulation Systems

1
Class of Insulation  
F
2
HV wnding 
Class H insulation & Class B Temp. rise
3
LV wnding
Class H insulation & Class B Temp. rise
4
Uniform Insulation 
NA
5
Oil Immersed Transformers
NA
6
Oil type  
NA
7
Fire resistance class 
F1

Sealed Type                                                                             
Design Data 
1
Hermetically Sealed
NA
2
With Gas Cushion
NA
3
With Conservator
NA
4
Diaphragm
NA
Dry Type
1
Impregnated type
230V winding / impregnated
2
Cast resin( Encapsulated ) type resin
440V winding / Epoxy Cast
3
Type of cooling( ONAN, ONAF,AN,AF)
NA

Mode of Operation      

1
Individual
No
2
Parallel
Yes

Primary Winding
1

Highest Voltage
1.1/3KV  
2
Primary Insulation
12KV
3
Copper
Yes
4
Aluminium
No

Secondary Winding
1
Highest Voltage
1.1/3KV  
2
Secondary Insulation
1.11KV
3
Copper
Yes
4
Aluminium
No
5
Neutral broughtout
No
6
Method of system earthing
Unearthed

Electrical & Mechanical Characteristics
1
No load current ( Primary)
0.8% In
2
No load Loss
4600W
3
Load Loss at 75 Deg.C
17000W
4
Load Loss at 120 Deg.C
19000W
5
Short Circuit Voltage
6%
6
Efficiancy  with power factor 1    @4/4 of load 
99.01
7
Efficiancy  with power factor 0.8 @3/4 of load
98.76
8
Efficiancy  with power factor 1    @4/4 of load
99.14
9
Efficiancy  with power factor 0.8 @3/4 of load 
98.93
Dimensions (mm) & Weight:

 Width : 2000     Height : 2200   Depth : 1010,    Weight: 5070Kg.
 Wheel Axle base : 820  Bolt Size : 17

 
   
     
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