Stepdown Step Up Water Conservancy Oil Immersed Distribution Transformer

How Does an Oil-Immersed Distribution Transformer Work?

An oil-immersed distribution transformer is a crucial component in power distribution systems, responsible for stepping down high-voltage electricity from the transmission network to a lower voltage suitable for residential, commercial, and industrial use. The key to the transformer's operation lies in its oil-filled design, which serves two primary functions: insulation and cooling.

Insulation Provided by the Oil

The transformer's core and windings are completely submerged in a specialized insulating oil, which acts as a highly effective insulator. This oil-based insulation system prevents electrical arcing and short circuits within the transformer, ensuring the safe and efficient transfer of power. The oil's high dielectric strength and excellent thermal properties make it an ideal choice for this application.

Cooling Mechanism

The insulating oil not only insulates the transformer's internal components but also plays a crucial role in dissipating the heat generated during operation. As the transformer's core and windings carry the electrical current, they generate heat due to electrical resistance. The oil bathes these components, absorbing and effectively distributing the heat throughout the transformer's structure.

The heated oil then circulates through the transformer, transferring the heat to the outer steel enclosure, where it can be dissipated into the surrounding environment. This continuous cooling process ensures that the transformer operates within its safe temperature range, preventing overheating and extending its service life.

The design of the oil-immersed distribution transformer is engineered to maximize the efficiency of this cooling mechanism. The transformer's internal structure, including the placement of the windings and the oil flow paths, is carefully optimized to ensure optimal heat dissipation.

Place of Origin:

jiangsu, China

Brand Name:

HUABIAN

Model Number:

Oil immersed distribution transformer

Usage:

Power

Phase:

three

Coil Structure:

TOROIDAL

Coil Number:

3

Capacity/KVA:

30KVA/50KVA/63KVA/80KVA/100/125/160/200/250/315/400/500/630/800/1000/1250/1600/2000/2500

Voltage/KV:

6kv 10kv 11kv

NO OF PHASES:

3 PHASES

INSULATIONS:

CLASS A

DUTY CYCLE:

CONTINUOUS

Rated frequency:

50Hz/60Hz

Type of cooling:

ONAN oil is self-cooled

Altitude:

<1000m,Available upon request

ambient temperature:

-25℃~+40℃

The highest monthly average relative humidity：90%（20C）

Installation Location：

Installed in places without fire, explosion hazard, serious pollution, chemical corrosion and cluster vibration, indoor or outdoor

Supply Ability

500 Set/Sets per Month

Packaging & Delivery

Packaging Details

Wooden case

Port

QINGDAO,SHANGHAI、lianyungang

Lead Time:

Trade Capacity

International Commercial Terms(Incoterms):

FOB, CFR, CIF, FAS, DAP, CIP, CPT, FCA, EXW

Terms of Payment:

LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram

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