Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 100 kva ester filled transformer in China, also supports customized service with low price. Welcome to buy discount 100 kva ester filled transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
Product Introduction
An ester oil filled transformer is a medium-capacity electrical device using biodegradable ester oil as insulation and coolant. Ideal for commercial/industrial settings, it offers high fire resistance and environmental safety, reducing ecological impact compared to traditional mineral oil models. Its compact design ensures efficient heat dissipation and overload capability, suitable for urban grids, data centers, or renewable energy projects. Compliant with standards like IEC 60076, it prioritizes safety in fire-prone or ecologically sensitive areas while delivering reliable power distribution. With extended lifespan and low maintenance needs, it balances performance and sustainability for modern power systems.
To obtain additional information, please contact our team at sales@gneesteels.com for assistance.
product video
Product component

Technical specification
| Technical Parameter for S11 Series 6kv-11kv No-load Voltage Regulation Transformers | ||||||||||||
| Rated Capacity (KVA) |
Voltage Combination | Connection Group Symbol |
No- load Loss (W) |
Toad Loss (W) |
Impedance Voltage(%) |
No-load Current (%) |
L*W*H(mm) | Gauge Horizonta 1*Vertica (mm) |
Active parts Weight (kg) *Oil Weight (kg) |
Tota Weigh (kg) |
||
| High Voltage (KV) |
Tapping Range of High Voltage |
Low Voltage (KV) |
||||||||||
| 30 | 6 6.3 10 10.5 11 |
±5% ±2x2.5% |
0.4 | Dyn11 Yzn11 Yyn0 |
100 | 630/600 | 4 | 2.8 | 980*735*1145 | 400*400 | 178*78 | 355 |
| 50 | 130 | 910/870 | 2.5 | 1017*758*1205 | 450*400 | 240*92 | 415 | |||||
| 63 | 150 | 1090/1040 | 2.4 | 1035*785*1285 | 450*400 | 285*105 | 505 | |||||
| 80 | 180 | 1310/1250 | 2.2 | 1065*800*1290 | 450*400 | 330*110 | 540 | |||||
| 100 | 200 | 1580/1500 | 2.1 | 1072*820*1305 | 450*400 | 345*116 | 590 | |||||
| 125 | 240 | 1890/1800 | 2 | 1155*1105*131 | 450*400 | 415*135 | 705 | |||||
| 160 | 280 | 2310/2200 | 1.9 | 1235*850*1535 | 550*550 | 485*135 | 835 | |||||
| 200 | 340 | 2730/2600 | 1.8 | 1282*860*1557 | 550*550 | 582*168 | 965 | |||||
| 250 | 400 | 3200/3050 | 1.7 | 1310*940*1605 | 550*550 | 695*210 | 1135 | |||||
| 315 | 480 | 3830/3650 | 1.6 | 1465*1120*191 | 660*650 | 855*255 | 1520 | |||||
| 400 | 570 | 4520/4300 | 1.5 | 1440*1165*172 | 660*650 | 950*295 | 1590 | |||||
| 500 | 680 | 5410/5150 | 1.4 | 1510*1250*184 | 660*650 | 1150*320 | 1905 | |||||
| 630 | 810 | 6200 | 4.5 | 1.3 | 1650*1140*192 | 660*650 | 1500*435 | 2015 | ||||
| 800 | 980 | 7500 | 1.2 | 2125*1175*231 | 820*820 | 1910*760 | 3510 | |||||
| 1000 | 1150 | 10300 | 1.1 | 2150*1380*257 | 820*820 | 2125*880 | 3850 | |||||
| 1250 | 1360 | 12000 | 1 | 2355*1485*257 | 820*820 | 2605*960 | 4610 | |||||
| 1600 | 1640 | 14500 | 0.9 | 2335*1750*263 | 820*820 | 3125*1150 | 5420 | |||||
| 2000 | 1940 | 18300 | 5 | 0.4 | 1940*1400*170 | 820*820 | 2420*780 | 4200 | ||||
| 2500 | 2290 | 21200 | 0.4 | 2050*1480*180 | 820*820 | 2560*780 | 4680 | |||||
| Note:Parameter is for reference only, if any changes should follow the factory technical data. | ||||||||||||
General Arrangement Drawing
100 kVA Ester filled transformer dimensions and weight details

Applications of 100 kVA Ester Filled Transformers
Commercial & Industrial Settings
100 kVA ester filled transformers are deployed in office buildings, shopping centers, and manufacturing facilities to ensure safe power distribution, particularly in indoor or enclosed spaces where fire risks are a priority. These oil immersed type transformers leverage biodegradable ester oil to minimize fire hazards while delivering reliable performance for daily operations.
Renewable Energy Projects
Ideal for solar farms, wind energy plants, and microgrids, these oil immersed type transformers thrive in remote or ecologically sensitive areas. Their use of biodegradable ester oil aligns with sustainability goals, while robust design ensures stable power conversion in challenging environments. Ester filled transformerss here support the integration of clean energy into grids efficiently.
Urban Grids & Substations
In urban power networks, compact ester oil transformers offer low-fire-risk solutions near residential areas and public infrastructure. Their space-saving design and high safety standards make them essential for modern city grids, reducing risks in densely populated zones while maintaining reliable power supply.
Data Centers & Critical Infrastructure
Data centers and hospitals rely on ester oil transformers for uninterrupted power and fire safety. These ester oil filled transformers ensure continuous operation in mission-critical settings, where downtime is unacceptable, and strict fire codes must be met.
Marine & Offshore Applications
On ships, offshore platforms, and coastal facilities, ester oil filled transformers excel due to their resistance to leaks/spills and minimal environmental impact. Their durable design withstands harsh marine conditions, providing reliable power while minimizing ecological risks from potential oil releases.
Mining & Hazardous Environments
In mines or sites with flammable gases, ester filled transformers reduce explosion risks through ester oil's high fire resistance. These ester oil filled transformers safely power heavy machinery and equipment in volatile environments, prioritizing worker safety and operational continuity.
Agriculture & Rural Areas
For rural grids, irrigation systems, and agricultural complexes, 100 kVA ester filled transformers combine durability with eco-friendliness. They deliver consistent power in remote locations while adhering to environmental standards, supporting sustainable farming and rural development.


FAQ
Q: What is ester oil in transformers?
A: Ester oil in transformers is a biodegradable insulating and cooling fluid, offering higher fire resistance and environmental safety than traditional mineral oil.
Q: What is an oil-filled transformer?
A: An oil-filled transformer is an electrical device that uses insulating oil (like mineral or ester oil) as both a coolant and dielectric medium. The oil helps dissipate heat generated during operation and prevents electrical arcing between components, ensuring safe and efficient power transfer between voltage levels. It is widely used in power grids, industries, and commercial settings for its reliability and thermal performance.
Q: What kind of oil is used in transformers?
A: Transformer oils mainly include three types:
Mineral Oil: Derived from petroleum, it offers good insulation and heat dissipation but is flammable and non-biodegradable.
Synthetic Oil (e.g., Silicone Oil): Chemically produced, it is heat-resistant, non-flammable, and used in high-temperature or fire-sensitive environments.
Ester Oil (Natural/Synthetic): Extracted from plants or chemically synthesized, it has low flammability, biodegradability, and is eco-friendly, suitable for indoor use or ecologically sensitive areas.
If you want to know more details about a specific type of oil-filled transformer or have other requirements, feel free to contact us at sales@gneesteels.com.
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