1-Phase Oil Immersed Type Pole Mounted Transformer

1-Phase Oil Immersed Type Pole Mounted Transformer is a high-quality and high-efficiency product from China manufacturer, TAILI. It provides single-phase alternating current to residential areas, rural areas, and other regions.

Advantages:

1. The structure is simple, the manufacturing technology is mature, and the cost is relatively low.

2. Good heat dissipation and insulation performance, reliable operation, long service life (usually up to 20-30 years)

3. Easy to maintain, simple to install and replace.

Application：

1-Phase Oil Immersed Type Pole Mounted Transformers are one of the most common equipment in the distribution network, and are widely used in:

1. Power supply in urban and rural residential areas

2. Rural power grid renovation and power supply in rural areas

3. Power supply for street lamps and commercial electricity usage

4. Other areas with low and dispersed electricity loads

Standard specification

1.Applicable specification: IEEE& ANSI C57

2.Rating: 3,5,10,15,25,37.5,50,75, 100, 167,250,333,500

3.Primary voltage: 2400V through 34500 GrdY/19920V

4.Secondary voltage: 120/240V, 240/480V, 139/277V, 600V

5.Temperature rise: 65°C

6.Cooling method: ONAN

7.Frequency: 50Hz/60Hz

8.Taps voltage: 5 steps ±2*2.5% or customized

9.Core type: CRGO or Amorphous

10.Protection :CSP as optional

11. Insulation level:2.4~34.5kV (150kV BIL )and below

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Test

Routine tests:

· Measurement of voltage ratio and check of phase-displacement

· Insulation resistance test

· Measurement of winding resistance

· Voltage withstand test

· Induce over-voltage withstand test

· Measurement of no-load loss and exciting current

· Measurement of short circuit impedance and Load loss

· Measurement of voltage ratio and check of phase-displacement

· Insulation resistance test

· Measurement of winding resistance

· Voltage withstand test

· Induce over-voltage withstand test

· Measurement of no-load loss and exciting current

· Measurement of short circuit impedance and Load loss

Type tests:

· Lighting impulse test

· Temperature rise test