8 MVA Transformer

8 MVA Power Transformer Specifications

Model: S11-8000/33-11

Maximum continuous rating capacity: 8MVA

Frequency: 50 Hz

No. of phases: 3phase

Rated primary Voltage: 33 KV

Rated secondary Voltage: 11 KV

8 MVA Transformer Current Capacity: 140.0A/420.0A

8 MVA Transformer Load Capacity: 7000KW

Winding connections:

HV side: Delta

LV side: Star

Vector group: Dyn11

Type of cooling: ONAN

8 MVA Transformer Full Load Current: 336A

P0: 5240W

Pk: 35000W

Uk: 8%

8 MVA Transformer Oil Capacity: 2046kg

8 MVA Transformer Weight: 10700kg

8 MVA Transformer Dimensions 2980*2230*2660mm

Fitting & Accessories

1 Buchholz relay

2 Winding Temperature Indicator/ Oil Temperature Indicator

3 oil level gauge

4 Radiator

5 Filter valve Drain valve

At site all transformer(s) shall be subjected to the following tests:

Insulation resistance test

Ratio and polarity test

Dielectric test on oil

FAQ

1. Why Do We Use A Transformer?

Transformers are used in electrical power systems to increase or decrease the voltage of an alternating current (AC) electrical supply. This is done to transmit electrical power efficiently over long distances, minimize power losses, and ensure that the supply voltage is appropriate for the intended use. Transformers are also used in electronic devices to convert voltage levels and provide electrical isolation between circuits.

2. What Is Dy11 In Transformer?

Dy11 is a three-phase transformer connection where the primary winding is connected between two phases with the secondary winding connected between the third phase and neutral. This configuration is commonly used in European power systems and is known as a "delta-wye" or "DY" transformer connection.

3. What Is BDV In Transformer?

BDV stands for Breakdown Voltage, which is the minimum voltage required to break down the insulating material in a transformer and cause a spark or discharge. It is an important parameter to determine the quality and reliability of the transformer insulation system.

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