Intact Transformers Intact
Intact Transformers Datasheet
Transformers
Transformer in Dubai
About Us
Products
Datasheet
Safety Manual
User Guidelines
Contact us
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
 
Dedicated sales and service team
 
Address
  Company profile
   

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

 

   
     
Copyright 2008. Intact Transformers Sharjah UAE. All rights reserved.