You are here: Home » Products » Transformer » Oil Immersed Transformer » S11 Series Oil-Immersed Transformer
Leave Us A Message

S11 Series Oil-Immersed Transformer

The S11 series oil-immersed transformer is manufactured using high-quality high-permeability silicon steel and premium insulating oil, featuring stable performance, high cost-effectiveness, excellent heat dissipation, and strong overload capacity.
This series is widely used in substations, industrial enterprises, residential communities, commercial buildings, and infrastructure projects in outdoor or semi-outdoor locations, making it an ideal choice for cost-effective power distribution projects.
Availability:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

Technical Parameters

Electrical Performance Parameters

ParameterSpecification
Rated Capacity Range30kVA ~ 2500kVA
Rated VoltageHigh Voltage Side: 6kV / 10kV / 20kV / 35kV
Low Voltage Side: 0.4kV / 0.69kV
Frequency50Hz / 60Hz
PhaseThree-Phase
Connection GroupDyn11 / Yyn0
Cooling MethodONAN/ Oil-Immersed Self-Cooling
Insulation ClassClass A
Temperature Rise LimitTop Oil: ≤ 65K
Winding: ≤ 65K
Impedance Voltage4% / 4.5% / 5%(Depending on Capacity)
Protection ClassIP00 (Outdoor use requires additional protection)


S11 Series Complete Parameter Table

No.Capacity (kVA)No-Load Loss (W)Load Loss (W)Impedance (%)No-Load Current (%)
13013060042
25017087041.8
380240125041.6
4100290150041.5
5125340180041.4
6160400210041.3
7200480250041.2
8250560300041.1
9315670360041
10400800430040.9
11500960510040.8
12630115062004.50.7
13800140075004.50.7
141000165088004.50.6
1512501950105004.50.6
1616002350128004.50.5
17200028001560050.5
18250033001850050.4

Note 1: Load loss values are based on reference temperature of 75℃.

Note 2: Impedance voltage is 4% for capacity ≤630kVA, 4.5% for 800kVA-1250kVA, and 5% for 1600kVA and above.


Outline Dimension Reference Table (10kV Class)

Capacity (kVA)L / Length (mm)W / Width (mm)H / Height (mm)Weight (kg)
30900700800260
501000750850340
801100800900420
1001150850950480
12512009001000550
16012509501050630
200130010001100720
250135010501150820
315140011001200940
4001450115012501080
5001500120013001250
6301550125013501450
8001650130014501750
10001750135015502100
12501850140016502480
16001950145017502950
20002050150018503500

Note: The above dimensions are reference values. Specific dimensions can be customized according to customer requirements.


Product Features

FeatureDescription
Stable PerformanceHigh-quality silicon steel and premium insulating oil ensure stable and reliable operation with long service life.
Excellent Heat DissipationOil-immersed self-cooling design provides high heat dissipation efficiency, suitable for continuous operation.
Strong Overload CapacityReasonable structural design allows for high overload capacity in short periods.
Cost-EffectiveTier 3 energy efficiency, economical and practical, meeting budget requirements of most projects.
Easy MaintenanceSimple structure, easy maintenance, low operating cost.
Strong AdaptabilitySuitable for outdoor or semi-outdoor environments, with optional protective enclosures.


Applications

ApplicationRecommended CapacityKey Advantages
Industrial Enterprises315-2000kVAHigh overload capacity, suitable for industrial environments
Residential Communities315-1600kVAStable operation, cost-effective
Commercial Buildings500-2000kVAReliable performance, easy maintenance
Substations630-2500kVAStable operation, strong adaptability
Rural Grids50-500kVAEconomical, easy installation
Infrastructure315-2000kVAHigh reliability, adaptable to various environments


Selection Guide

Capacity Selection

Determine transformer capacity based on total load power and simultaneity factor:

Total Load Power (kW)Recommended Capacity (kVA)
≤ 80100
80-160200
160-250315
250-400500
400-500630
500-640800
640-8001000
800-10001250
1000-12801600
1280-16002000
1600-20002500


Voltage Level Selection

HV Side VoltageApplicable Scenario
6kVIndustrial Enterprise Distribution
10kVUrban Distribution Network
20kVIndustrial Parks
35kVLarge Projects


Connection Group Selection

Connection GroupApplicable Scenario
Dyn11Recommended for unbalanced three-phase loads, such as residential communities and commercial buildings
Yyn0Suitable for balanced three-phase loads, such as industrial enterprises


Customization Services

Sline provides comprehensive customization services for dry type amorphous alloy transformers based on your project requirements:

 Customization OptionDescription
Capacity Customization30kVA ~ 2500kVA / Full range coverage
Voltage CustomizationHV: 6/10/20/35kV, LV: 0.4/0.69kV and non-standard voltages
Connection GroupDyn11 / Yyn0 / Optional
Protective EnclosureIP20/IP23 / Optional outdoor protective enclosure, IP20/IP23 protection
Special EnvironmentHigh altitude, coastal salt fog, etc.

For detailed technical drawings or customized solutions, please contact the Sline technical team. We will provide one-on-one engineer-led service throughout the process.


Previous: 
Next: 

Related Products

Quick Links

Products

Contact Us

 Telephone: +86-188-6859-6793 / +86-178-1567-2199
 WhatsApp: +8618868596793 / +8617815672199
 Email: amber@slineelecric.com / celeste@slineelectric.com
 Address: Building 10, Robot Industry Park, Dongtou District, Wenzhou City, Zhejiang Province
Copyright ©  Sline (Wenzhou) Electric Co., Ltd. All Rights Reserved. Sitemap | Privacy Policy