Tanaka Electric Tanaka Electric

11kv 33kv 500kVA 630kVA Three Phase Oil Immersed Power Transformer

Customization: Available
Application: Power, Lighting
Phase: Three

Product Description

Overview & Basic Information
Model NO. S11 Core Core-type Transformer
Cooling Method Oil-immersed Type Transformer Winding Type Two-winding Transformer
Certification ISO9001-2000, ISO9001 Usage Power Transformer, Distribution Transformer
Frequency Power Frequency (50/60Hz) Shape of Core U
Rated Capacity 500kVA/630kVA High Voltage 11kv 33kv (Customizable)
Low Voltage 0.4kv (Customizable) Connection Symbol Dyn11, Yyn0
HS Code 8504220000 Production Capacity 5000 Unit/Year
Product Description

The rated capacity of this oil immersed power transformer is 500KVA/630KVA. It can be used outdoors or installed inside substations. Models available include S9, S11, S13, S15, etc.

The high-voltage part can be selected from 6KV, 6.3KV, 10KV, 10.5KV, 11KV, 20KV, 25KV, 33KV, 35KV. The low voltage part can be configured for 400V, 415V, 0.4KV according to local requirements.

500KVA/630KVA oil-immersed transformer
Three Phase Oil Immersed Power Transformer

*The picture is a general representation of the product, subject to the actual product.

Product Selection Table
Rated Power (kVA) High Voltage (kv) Low Voltage (kv) Connection Symbol No-load loss (W) On-load loss (W) No load current (%)
306KV-35KV
(Customizable)
0.4KV
(Customizable)
Ydn11 / Yyn0
(Customizable)
100600/6302.1
1002001500/15801.6
1602802200/23101.4
2504003050/32001.2
4005704300/45201.0
5006805150/54101.0
63081062000.9
10001150103000.7
16001640145000.6
2500238020700-
Core Advantages & Features
⚙️
Iron Core Made of brand new silicon steel sheets. Ensures low wear and tear, low noise during operation, and high energy efficiency.
Iron core detail
🌀
Winding Uses heat-resistant enameled wire for excellent conductivity, stable operation, enhanced overload capacity, and resistance to oxidation.
Winding detail
🛢️
Transformer Oil Tank Composed of breathable corrugated walls that compensate for oil volume changes, eliminating the need for an external oil storage tank and reducing costs/height.
Transformer tank
🛡️
Safety Protection Devices Equipped with sensitive relief valves and glass thermometer sockets. Gas relays and trip terminals with alarms are available upon request.
Safety device
Production Facilities

Four dedicated workshops achieve diversified production, high-fit assembly, and testing to ensure efficiency and safety. Independent control of all processes ensures economic benefits and quality.

Production workshop
Industry standard equipment
Authentication & Shipping
Authentication Certificate
Shipping and Packing
Frequently Asked Questions
Are you a manufacturer or trading company?
We are a professional factory with over 20 years of experience in the electric industry.
How long is the warranty period?
We offer a 12-month warranty time on our products.
What is the Minimum Order Quantity (MOQ)?
The MOQ is 1 set.
How do you conduct quality control?
We have a professional product testing room and carry out factory testing on every product. Only 100% qualified products leave our facility.
How long is the delivery time?
Delivery typically takes 15 to 45 days, depending on specific order requirements.
What information is needed for a custom transformer?
Technical drawings and specification documents are best. Alternatively, you can provide detailed data such as rated power, voltage ratios, and connection symbols.

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