110kv Power Main Transformer

Classification: Power Transformer
Number of Views: 191次
Date of issue: 2026-01-28 14:55:30

Product overview:1. Standards: GB, IEC, GOST, EN, NF, ANSI/IEEE (customizable according to customer standards)
2. Certification: ISO、CE、IEC、SABS、COC、CSA、UL
3. Efficiency: The efficiency of a 110kV transformer can exceed 99% and meet the European 2015/2014/548/EC ecodesign Tier 2 energy efficiency regulations.
4. Successful case verification: Accumulated a large amount of 110kV project experience in global power grid transformation, new energy access (such as photovoltaic booster stations) and other fields, verified the stability of products under complex working conditions, and designed a lifespan of more than 30 years.
5. Environmental Protection and Sustainable Development: Adopting FR3 environmentally friendly insulation oil and recyclable materials to reduce carbon footprint, in line with the "dual carbon" policy orientation.
6. Delivery capability: Normal 90 days; The shortest delivery cycle is 50 days.

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Product advantages

Product parameters

Ordering instructions

Product advantages

Against the backdrop of global electricity demand growth, 110kV three-phase oil immersed transformers are widely used in various fields such as State Grid, industrial and mining enterprises, regional substations, power plant boosting stations, and public facilities. They are mainly used for boosting or reducing voltage, achieving efficient transmission and distribution of electrical energy. The maximum capacity can reach 200mva. High reliability operational verification in over 50 countries and regions worldwide; It has been sold to countries and regions such as Tanzania, Zimbabwe, Ghana, South Africa, Kenya, Zambia, Sudan, Libya, Congo, United Arab Emirates, Saudi Arabia, Iraq, Syria, Bangladesh, etc.

Product parameters

Rated voltage: 50kv-66kv-69kv

Output voltage: 6.3kV -6.9kV -10.5kV -11.5kV -15.75kV -21kV

Rated capacity: 10MVA-63MVA

Personalized customization: can be fully customized according to user requirements.

Rated capacity	Voltage Ratio	Vector Group	Cooling method	Short circuit impedance
5000	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
6300	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
8000	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
10000	35/6.3,35/10.5,33/11.5 ,33/6.9	Dy11	ONAN/ONAF	0.065
25000	66/13.8,66/11.5,66/21	Dyn11	ONAN/ONAF	0.075
31500	110/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF	0.105
40000	110/10.5,110/11.5,110/13.8,110/21	YNyn0d11	ONAN/ONAF	0.105
50000	110/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF/ODAF	0.17
63000	110/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF/ODAF	0.17

Rated voltage: 110kv-132kv

Output voltage: 6.3kV -6.9kV -10.5kV -11.5kV -15.75kV -21kV

Rated capacity: 10MVA-63MVA

Personalized customization: can be fully customized according to user requirements.

Rated capacity	Voltage Ratio	Vector Group	Cooling method	Short circuit impedance
5000	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
6300	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
8000	35/6.3,35/10.5,33/11.5 ,33/6.9	Yd11	ONAN/ONAF	0.065
10000	35/6.3,35/10.5,33/11.5 ,33/6.9	Dy11	ONAN/ONAF	0.065
25000	66/13.8,66/11.5,66/21	Dyn11	ONAN/ONAF	0.075
31500	132/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF	0.105
40000	132/10.5,110/11.5,110/13.8,110/21	YNyn0d11	ONAN/ONAF	0.105
50000	132/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF/ODAF	0.17
63000	132/10.5,110/11.5,110/13.8,110/21	YNd11	ONAN/ONAF/ODAF	0.17

Ordering instructions

- Main parameters of transformer (voltage, capacity, loss and other main parameters)
- Transformer operating environment (altitude, temperature, humidity, location, etc.)
- Other customization requirements (tap switch, color, oil pillow, etc.)
- The minimum order quantity is 1 sets
- Normal delivery period of 30 days, worldwide fast delivery