1000 KVA Three-phase Oil-filled Substation Transformer
Nov 11, 2025
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introduction of 1000 kVA substation transformer
Featuring copper winding material, this 3 phase power transformer enhances short-circuit resistance while offering superior reliability, mechanical strength, and a more compact size compared to aluminum alternatives. The transformer adopts a three-legged core construction and is air-cooled, eliminating the need for fans or mounting provisions.
The oil-immersed substation transformer finds versatile applications across various sectors, including renewable energy installations, energy storage facilities, electric vehicle charging stations, data centers, industrial complexes, oil and gas operations, commercial establishments, military facilities, processing plants, power distribution networks, and utility infrastructure, among others.
1000 kVA three-phase oil-filled substation transformer Benefits
The transformer delivers noteworthy energy efficiency improvements, resulting in reduced power consumption and operational expenses. Additionally, its environmentally friendly design minimizes carbon emissions, contributing to a cleaner and more sustainable energy ecosystem. These factors collectively contribute to extending the lifespan of the transformer and further decreasing maintenance and replacement costs over time.
1000 kVA three-phase oil-filled substation transformer Specifications
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Phase: Three Phase |
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Capacity: 1000 KVA (1 MVA) |
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Primary Voltage: 13800V Delta |
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Primary BIL: 95 kV |
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Secondary Voltage: 600GrdY/347 |
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Frequency: 60 Hz |
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Temperature Rise: 65°C |
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Capacity @ 65°C Temperature Rise: 1000 KVA (1 MVA) |
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Forced Air (Fans): None |
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Tap Changer: 5-position Tap Changer, (2) +/- 2.5% Taps Above and (2) +/- 2.5% Taps Below |
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Efficiency Standard(s): Meets CSA C802.1 Standards, Meets CSA C88 Standards |
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Insulation Fluid: Biodegradable vegetable oil |
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Fluid Capacity: 690Kg |
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Cooling Class: KNAN |
| Winding Material: Copper |
Oil-immersed transformer maintenance and repair
Maintenance and repair of oil-immersed transformers are crucial to ensure their efficiency, lifespan, and safe operation. Here are some key aspects of maintenance and repair:
Routine Maintenance: This includes daily, weekly, monthly, and yearly maintenance strategies. Daily routines include checking oil and temperature levels. You should ensure the ambient, winding, and oil temperatures are within the typical range. Moreover, you should check whether the oil level gauge adapts to temperature changes. If your oil-filled transformer doesn't accomplish one of these things, it's time to replace the indicator.
Timely Intervention: Clean and dehydrate insulating oil as needed to prevent deterioration and ensure sustained performance.
Repairs and Overhauls: Promptly address faults with comprehensive diagnostics and targeted repairs to restore optimal condition.
Leak Troubleshooting: If there are any leaks, it's important to troubleshoot everything from leftover oil residue to active radiator leaks3.
Remember, maintenance is not a one-time thing. It requires a consistent and systematic approach to ensure the transformer operates safely and efficiently. Always consult with a professional or refer to the manufacturer's manual for specific maintenance and repair procedures.
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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types of transformer from GNEE
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GNEE Transformer Order specification
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When choosing our company's products, please provide the following data to better serve you. |
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Demander |
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Demander: |
Telephonemethods: |
Fax: |
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Project technical leader: |
Telephonemethods: |
Mailbox: |
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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} |
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Transformer basic data selection
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Country of use: |
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Phase number: |
□Three-phase(S conventional) □ Monophase □Other( ) |
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Frequency: |
□50Hz(conventional) □60Hz □ Other( ) |
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Transformer oil: |
□#25(conventional) □#45(minimum temperature below-25℃) |
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Rated capacity: |
□( )kVA Conditions of use □Outdoor type □Indoor type |
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Altitude: |
□Less than 1000m(conventional) □1000-2000m □3000m以上 over |
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Rated voltage(High voltage) |
□6kV □10kV □20kV □35kV □66kV □110kV □220kV □Other( ) |
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Rated voltage(Low pressure) |
□0.4kV □0.66kV □10kV □10.5kV □35kV □其他 Other( ) |
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Connected group |
□Dyn11(conventional) □Yyn0 □YNd11 □li0(Single-phase) □Other( ) |
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Impedance(%): |
□4% □4.5% □5.5% □6% □6.5% □7.5% □8% □Other( ) |
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Voltage regulation mode |
□Voltage regulation without excitation(conventional) □On-load voltage regulation(Z) |
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Voltage regulation range |
□±2*2.5% □±5% □±3*2.5% □Other( ) |
Transformer accessory selection
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□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]} |
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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)
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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 |
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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, Pakistan, Indonesia, Vietnam, Mongolia, Japan, Taiwan Province, Bangladesh, Sri Lanka, Lebanon, Saudi Arabia, Turkey, Armenia, Saudi Arabia, Saudi Arabia, 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, Mexico, Uruguay, Chile
Middle East: The Middle East region
Oceania: Australia, Papua New Guinea. Fiji