Oil Immersed Transformers
Bahra Oil Immersed Transformers (BOIT), of up to 5000 kVA, are manufactured at Bahra-TBS plant.
With a production capacity to produce 3,500 units/year, these Oil Transformers are produced with a rated voltage of up to 36kV, and rated power from 50kVA up to 2500 kVA, and from 2500kVA up to 5000kVA. Windings used are of Copper and Aluminum.
Download Catalogue
Product Range
01
Standard Design
- Rated Voltage Up To 36 kV.
- Rated Power, Small Distribution Transformer 50 kVA up to 2500 kVA.
- Large Distribution Transformer > 2500 kVA up to 5000 kVA.
- Insulation System Temperature; 105°C(A)
- Type of Cooling; ONAN (Oil Natural Air Natural) – Organic Oil.
- Max. Ambient Temperature 55°C.
- Winding Materials: Copper & Aluminum.
Bahra TBS is implementing the unique concept of oval-shaped cores and windings, which has advantages like
- Reduced core mass
- Core losses reduced
- Over all dimensions reduced
Routine Tests
- Measurement Of Voltage Ratio.
- Measurement of Winding Resistance.
- Measurement of No-load Loss and Current.
- Measurement of Load Loss and % Impedance.
- Separate Source AC Voltage withstand Test and Short Duration – Induced Over-Voltage withstand Test.
Type Tests
- Temperature-Rise Test - IEC 60076-2
- Lightening Impulse test - IEC 60076-4
Special Tests
- Short circuit withstand Test - IEC 60076-5
- Measurement of {0} Sequence Impedance(s) on Three-Phase Transformers.
- Determination of Sound Levels - IEC 60076-10.
- Measurement of The Harmonics of The No-Load Current.
Applications
- Utilities (indoor & outdoor)
- Oil & Gas
- Infrastructures like airports
- Substations
- Hotels, ports, factories
Packaging
- Packages are built in accordance with IEC standards & Saudi Electricity Company (SEC) specifications.