
110 kV 16 MVA three phase oil filled power transformer
Primary Voltage Ratings: 110kV
Secondary Voltage Ratings: 20kV
H.V. TAP RANGE: 110kV* 9 x 1.78%
CONNECTION TYPE: Y o d-11
Standards: IEC60076, EU
Power Rating: 16MVA
Cooling Method: ONAN
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Send E-mail: sales@gneeelectric.com
Tel: +8615824687445
introduction of 110 kV 16 MVA Power Transformer
GNEE TRANSFORMER supplies 110 kV 16 MVA three phase oil filled power transformer.
The 16 MVA transformer, rated for 110 kV high voltage and 20 kV low voltage, is a three-phase oil-immersed unit designed for outdoor use and compliant with IEC and EU standards. It features an efficiency of 99.64%, a cooling mode of ONAN, and includes protective coatings for durability.
Key accessories include a magnetic oil level indicator, air filter with modular sensors, and on-load adjustment switch. The transformer operates within a wide temperature range and offers robust insulation and environmental resilience.
three phase oil filled power transformer Applications
- Utility Substation Enhancements
Specifically designed for urban and rural substations, this transformer provides stable voltage conversion critical to modern grid performance, ensuring seamless power delivery to residential and commercial areas.
- Renewable Energy Integration
Perfect for solar, wind, and other renewable energy projects that require precise voltage stepping to interface efficiently with grid inverters and energy storage systems.
- Industrial Distribution Networks
Tailored for large-scale manufacturing plants, chemical processing, and other industrial applications where consistent, high-quality power is essential to maintain production reliability.
- Critical Infrastructure Support
Ideal for power-hungry environments such as data centers and high-security crypto mining facilities, where uninterrupted and finely regulated power is paramount to operational success.
110 kV 16 MVA three phase oil filled power transformer Specifications
Rated Power |
16 MVA |
Primary Voltage |
110 KV |
Secondary Voltage |
20 KV |
Operating Frequency |
50 Hz |
Cooling Method |
ONAN (Natural Air Cooling) |
Tap Changer Configuration |
19-position tap changer with a regulation range of ±9 × 1.78% |
Efficiency |
99.64% under standard operating conditions |
Dielectric Loss Angle |
< 0.5% at 90ºC (per IEC 60247) |
Ambient Temperature Range |
Operates reliably between -35ºC and +45ºC |
Construction |
Oil-immersed design with a cold-rolled silicon steel core and copper windings, coated internally with oil-resistant enamel |
company profile
GNEE TRANSFORMER has strong production capacity and an efficient marketing team.
Our transformer products include 500kV, 400kV, 330kV, 220kV, and 110kV ultra-high voltage transformers, various dry-type transformers/oil immersed transformers/amorphous alloy transformers of 35kV and below, new energy transformers, and prefabricated substations,
Export series: single-phase transformer, three-phase transformer, cylindrical transformer, isolation transformer, control transformer, voltage regulator and other products, And various specifications of special transformers such as grounding transformers, arc suppression coils, Bitcoin transformers, prefabricated cabins, reactors, electric furnace transformers, rectifier transformers, mining transformers, marine transformers, etc.
GNEE TRANSFORMER has successively passed ISO9001, ISO14001, ISO45001, SA8000 system certification. At the same time, 10kV and 35KV level distribution transformers and box type substations have obtained interna- tional Electrotechnical Commission IEC certification, US UL certification, German TUV certification, EU CE certification, Dutch KEMA certification, and GOST certification. Our product sales cover the global market, including 72 countries and regions such as the United States, Europe, Canada, Mexico, etc.
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Demander: |
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Transformer type selection |
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□Dry transformer {□SC(B) Epoxy resin □SC(B) Non-encapsulated} □American Box(ZGS) {□Terminal type(-Z-) □Ring network type(-H-)} □European Box change(YBM){□ Dry change □Oil change} |
□ Oil-immersed transformer{□ Fully sealed(-M-) □Oil-bearing pillow} □Amorphous alloy transformer{□Dry amorphous □ Oil amorphous} □ Special transformer{Rectifier, Furnace, Mine, Etc} |
Transformer basic data selection
Country of use: |
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Phase number: |
□Three-phase(S conventional) □ Monophase □Other( ) |
Frequency: |
□50Hz(conventional) □60Hz □ Other( ) |
Transformer oil: |
□#25(conventional) □#45(minimum temperature below-25℃) |
Rated capacity: |
□( )kVA Conditions of use □Outdoor type □Indoor type |
Altitude: |
□Less than 1000m(conventional) □1000-2000m □3000m以上 over |
Rated voltage(High voltage) |
□6kV □10kV □20kV □35kV □66kV □110kV □220kV □Other( ) |
Rated voltage(Low pressure) |
□0.4kV □0.66kV □10kV □10.5kV □35kV □其他 Other( ) |
Connected group |
□Dyn11(conventional) □Yyn0 □YNd11 □li0(Single-phase) □Other( ) |
Impedance(%): |
□4% □4.5% □5.5% □6% □6.5% □7.5% □8% □Other( ) |
Voltage regulation mode |
□Voltage regulation without excitation(conventional) □On-load voltage regulation(Z) |
Voltage regulation range |
□±2*2.5% □±5% □±3*2.5% □Other( ) |
Transformer accessory selection
□Fan □Temperature control{□ Common □With 485 computer interface} □Dry case{□ Ordinary steel sheet □Aluminum alloy » Stainless steel} □Protection level of dry case(□IP20(Conventional) □IP( )} □Dry case height requirements{□None □Requirements[ ]} □ Cable out mode of the dry variable shell {□ Up-and-out □ Up-and-down □Down-in/DOWN-out □Down-in/UP-out □Down-in/DOWN-out □Down-in/ side-out [□Left □ Right-out]} |
Note: 1. (Dry change requirements s 100kVA transformer does not include fans, such as fans, need to be charged 2. (Oil changes <630kVA transformer does not include temperature control, gas relay, if necessary, need to increase the fee) |
Other special requirements(additional charges apply below)
Dry transformer |
□Shell and bottom plate{□Ordinary □Fully sealed} □Travel switch □Magnetic lo □Zero sequence transformer □Copper bar to the low voltage cabinet □Protective mesh □Lighting □100kVA or less Fan □Shock absorber |
Oil-immersed transformer |
□No.45 oil for non-low temperature areas □Designated brand on-load voltage regulator □400kVA and below low voltage outlet OABC phase with wiring terminals □630kVA or below requires temperature control □800kVA or below Low voltage outlet phase 0 requires wiring terminals □630kVA and below must be equipped with gas relay |
GNEE TRANSFORMER Industrial Layout
Asia:China, Philippines, Cambodia, Malaysia, Myanmar, Indonesia, Vietnam, Mongolia, Japan, Taiwan Province, Bangladesh, Sri Lanka, Lebanon, Saudi Arabia, Turkey, Armenia, Iraq, Iran, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan
Africa:Egypt, Ethiopia, Angola, Botswana, Burundi, Cape Verde, Congo, Guinea, Ghana, Gabon, Zimbabwe, Cameroon, Kenya, Rwanda, Malawi, Mauritius, Mauritania, Mozambique, South Africa, Nigeria, Somalia, Chad, Central Africa
North America: Aruba, Panama, Dominican Republic, Costa Rica, Honduras, Caribbean region,Canada, United States, Mexico, El Salvador, Guatemala, Jamaica
Europe: Bulgaria, North Macedonia, Finland, Norway, Ukraine, Greece, Hungary, Italy, United Kingdom
South America: Argentina, Paraguay, Ecuador, Colombia, Guyana, Venezuela, Uruguay, Chile
Middle East: The Middle East region
Oceania: Australia, Papua New Guinea. Fiji
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