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3-Phase Oil Immersed Power Transformers

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36kV Oil Immersed Power Transformer

TAILI Oil-immersed power transformers are designed for high voltage power grids for the exchange of electrical energy, its mainly installed in outdoor regional substations and voltages up to 66 kV and above. Due to the high voltage and big capacity, they are usually equiped with efficient cool-ing system and regulating systems, as well as with a variety of detection systems, to adapt to the needs of high-voltage grid transmission and to ensure safety. TAILI will provide the optimal design according to the customer's different needs!

Taili’s standard energy-saving three-phase oil-immersed transformer is developed through the application of new materials, new manufacturing processes, and a combination of independent innovation and imported technologies.
By optimizing the core and coil structure, this new-generation design effectively reduces no-load loss and operating noise.

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Basic Info.

Primary Voltage	36kV
Secondary Voltage	6.3, 11, 15kV or others
Vector Group	Dyn11, Dyn5, Yyn0 or others
Impedance	6%
Capacity (Power Rating)	1.6MVA
H.V. Tap Range	±2 × 2.5% or others
BIL (Basic Insulation Level)	30–150 kV
Standards	IEC, IEEE, ANSI, DOE
Certificates	CE, SGS, CNAS

Features of Oil immersed power transformer

1. Made of high-magnetic-permeability cold-rolled silicon steel sheets, effectively reducing no-load loss.

2. The winding conductor can be selected as high-quality copper or aluminum from well-known manufacturers according to customer requirements, providing excellent conductivity.

3. The transfomer is fully sealed with low noise.

4. The corrugated oil tank is equipped with a pressure relief valve to isolate air and slow down oil deterioration, achieving true maintenance-free operation.

5. Corrugated walls provide three functions—cooling, breathing, and expansion—making the transformer self-adaptive.

6. The core undergoes vacuum annealing and epoxy curing, giving it a designed service life of over 40 years.

Second, the core advantages and characteristics of the product

01 Production Equipments for Oil transformers

35kv Oil Immersed Power Transformer

02 Oil immersed power transformer spare parts

35kv Oil Immersed Power Transformer

03 Power transformer

35kv Oil Immersed Power Transformer

Application scenarios

Power Utilities & Grid Distribution Systems

This includes urban and township substations, regional distribution stations, long-distance distribution nodes, and grid expansion or upgrade projects. 35 kV transformers are mainly used for stepping down 35 kV to medium-voltage levels (10–22 kV) for stable regional power supply.

Industrial, Infrastructure & Energy Projects

Widely applied in industrial parks, manufacturing plants, mining sites, oil and gas fields, data centers, airports, ports, rail transit systems, and renewable energy plants (solar/wind). They provide reliable medium-voltage power for large-scale industrial and infrastructure loads.

Rural Electrification & Public Utilities

Used in rural power networks, agricultural irrigation systems, new rural development, and public facilities such as hospitals, schools, and government buildings. The 35 kV voltage level offers long transmission distance and cost-efficiency, making it ideal for rural and remote-area electrification.

Package and Shipping

35kv Oil Immersed Power Transformer

Service System

Pre-sales support

- Provide customized power distribution scheme design to optimize cabinet size, equipment layout and product configuration;

- For special needs (such as non-standard voltage, explosion-proof certification), provide detailed technical solutions within 12 hours.

Routine tests:

-Measurement of winding resistance

-Measurement of voltage ratio

-Check of vector group

-Mesurement of impendance voltage and load loss

-Measurement of no load oss and current

-Separate-source voltage withstand test

-Induced overvoltage withstand test

-Dimension checking

Type Tests

-Lighting impulse test

-Temperature rise test

After-sales guarantee

- Quick response: reply to fault report within 24 hours, remote debugging or on-site service within 48 hours (domestic);

- Regular return visits: inspect the operation status of the equipment free of charge every year and provide maintenance suggestions;

- Transparent service: the cause of the failure is explained in writing, the maintenance cost is priced according to the market standard, and the cost is refunded on the spot for valid complaints;

- Warranty policy: 1-3 years warranty for the whole machine (according to the model), lifetime costprice spare parts supply.

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