Structural Composition

The main components of single-phase oil-immersed transformer are listed as follows:

1. Iron CoreLaminated silicon steel sheets form the independent magnetic circuit of the single-phase transformer.

2. WindingsConsist of primary high-voltage winding and secondary low-voltage winding, fully immersed in insulating oil for insulation and cooling.

3. Oil TankSealed welded steel tank for storing insulating oil and holding iron core and windings.

4. Oil ConservatorMounted on the tank top to balance oil volume expansion and contraction caused by temperature changes.

5. RadiatorHeat dissipation assembly to transfer internal heat of the tank into ambient air.

6. Insulating BushingsInsulate high-voltage and low-voltage outgoing terminals for connection with external circuits.

7. Tap ChangerInstalled inside the tank to adjust output voltage according to load demand.

8. Other Auxiliary PartsEquipped with breather, explosion-proof pipe, gas relay, temperature gauge and other supporting accessories.

Operating Principle

Single-phase oil-immersed transformer operates based on the law of electromagnetic induction.When single-phase alternating current is input to the primary winding, alternating magnetic flux is produced and transmitted through the iron core. The alternating magnetic field generates induced electromotive force on the secondary winding to realize single-phase voltage conversion, with insulating oil serving as both insulation and cooling medium.

Advantages

1. Efficient heat dissipationInsulating oil delivers excellent heat transfer performance to stabilize winding operating temperature.

2. Low running noiseTransformer oil absorbs vibration to cut electromagnetic and mechanical noise during operation.

3. Cost-effective & long service lifeSimple single-phase structure lowers manufacturing cost with stable long-term performance.

4. Wide environmental adaptabilitySuitable for both indoor and outdoor installation with outstanding weather resistance.

Application Areas

1. Civil power supplyHousehold single-phase power distribution, rural residential power grid transformation.

2. Small industrial equipmentLight machinery, small processing equipment, single-phase auxiliary power supply for workshops.

3. Special test equipmentLaboratory single-phase voltage conversion, small high-voltage testing instruments.