Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"HENTG POWER 2500kVA 20kV\/0.4kV Oil-Filled Power Transformer with ONAN Cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/c1\/af\/accd45940776909f86df9d5cbc45-200x200-1\/hentg_power_2500kva_20kv_2f0_4kv_oil_filled_power_transformer_with_onan_cooling.jpg","attrs":{"Brand Name":"HENTG POWER","Model Number":"S11-2500","Certification":"CE","Place of Origin":"CHINA"}}
{"title":"Industrial Electric Circular Coil HV Oil Immersed Transformer Step Up Step Down","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/69\/cfbf3bab60c13b2c2f37007241e5-200x200-1\/industrial_electric_circular_coil_hv_oil_immersed_transformer_step_up_step_down_3_phase.jpg","attrs":{"Place of Origin":"China","Brand Name":"HENTG Power","Model Number":"ZGS series","Certification":"CE"}}
{"title":"Outdoor Copper Electrical Power Transformer 35KV Oil Immersed Three Phase IP54","imgUrl":"https:\/\/img.chinax.com\/nimg\/48\/27\/7f18451c4ad98e8c4baf91cac064-200x200-1\/outdoor_copper_electrical_power_transformer_35kv_oil_immersed_three_phase_ip54_level.jpg","attrs":{"Place of Origin":"China","Brand Name":"HENTG Power","Model Number":"S11","Price":""}}
{"title":"2500kVA Oil-Immersed Power Transformer with OLTC","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/d0\/27f677a2614b127a4e906fc9c105-200x200-1\/2500kva_oil_immersed_power_transformer_with_oltc.jpg","attrs":{"Brand Name":"HENTG Power","Model Number":"S13","Certification":"CE","Place of Origin":"China"}}
{"title":"35 KV Oil Immersed Three Phase Power Transformer 1000KVA 1600KVA for High","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/be\/8f699e493e1fb3b5770ba36f1483-200x200-1\/35_kv_oil_immersed_three_phase_power_transformer_1000kva_1600kva_for_high_ambient_temperature.jpg","attrs":{"Standards":"IEC, ANSI, GB","Powerrating":"Varies (e.g., 500 kVA - 10 MVA)","Productname":"35 KV Power Transformer","Color":"Gull grey or customizable"}}
{"title":"33KV 35KV High Voltage Electricity Power Distribution 2000kVA 3150kVA Step Down","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/d0\/27f677a2614b127a4e906fc9c105-200x200-1\/33kv_35kv_high_voltage_electricity_power_distribution_2000kva_3150kva_step_down_oil_immersed_electric_transformer.jpg","attrs":{"Brand Name":"HENTG Power","Certification":"CE","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"CE Certified 500KVA Oil Immersed Power Transformer with IEC60076 Standards 10kV","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/93\/5f30724604a3227450febb42e504-200x200-1\/ce_certified_500kva_oil_immersed_power_transformer_with_iec60076_standards_10kv_2f11kv_to_220v_2f440v_dyn11_vector_group.jpg","attrs":{"Brand Name":"HENTG Power","Certification":"CE","Place of Origin":"China","Usage":"Power,Instrument,power grid system,High Frequency,Distribution Transformer"}}
HENTG POWER 2500kVA 20kV/0.4kV Three-Phase Oil-Filled Power Distribution Transformer
Outdoor ONAN Type for Industrial & Coastal Applications
This 2.5 MVA oil immersed transformer is engineered for reliable medium voltage power distribution in industrial plants, infrastructure projects, utilities, and commercial facilities. Designed specifically for outdoor installation in high humidity, coastal, and tropical environments across Southeast Asia.
Key Specifications & Features
Parameter
Specification
Rated Capacity
2500 kVA / 2.5 MVA
Voltage Ratio
20kV / 0.4kV (customizable)
Cooling Method
ONAN (Oil Natural Air Natural)
Frequency
50 Hz / 60 Hz
Vector Group
Dyn11 (customizable)
Installation
Outdoor / Ground Mounted
Technical Highlights
Low no-load and load loss design for energy efficiency
High mechanical strength tank construction
Corrosion-resistant coating for coastal area protection
Stable performance under high humidity & salt spray conditions
Long service life (20-30 years design life)
IEC compliant manufacturing standards
Coastal Environment Solutions
High Humidity & Salt Corrosion
Enhanced anti-corrosion coating, reinforced sealing design, and high-quality gasket materials prevent moisture ingress and rusting. Strengthened tank welding avoids oil leakage.
Unstable Grid & Voltage Fluctuation
Strong overload capacity and stable voltage regulation performance. Tap changer options help adapt to voltage variation in island grids.
High Ambient Temperature
Optimized cooling design and sufficient oil volume ensure safe temperature rise control and long insulation life in 35-45°C tropical conditions.
Difficult Maintenance on Islands
Low-loss core design reduces heat stress. High-quality components extend service life and minimize maintenance frequency in remote locations.
Frequently Asked Questions
Is this transformer suitable for coastal or island environments?
Yes. It is specially designed with anti-corrosion coating and sealed structure for high humidity and salt spray conditions.
Can it operate under high ambient temperature?
Yes. The transformer is designed to operate safely up to 45°C ambient temperature.
Can voltage be customized?
Yes. Voltage ratio can be customized according to your local grid requirements (e.g., 22kV/0.4kV, 33kV/0.4kV).
What standards does it comply with?
We manufacture according to IEC standards. Other standards can also be customized upon request.
Applications
Industrial factories and manufacturing plants
Palm oil processing facilities
Cement production plants
Textile manufacturing factories
Power utility substations
Solar and renewable energy projects
Island grid systems and remote power networks
About HENTG POWER
HENTG POWER is a professional transformer manufacturer and exporter specializing in oil-filled transformers, dry-type transformers, and power distribution equipment. With years of experience in overseas projects, we supply transformers to Southeast Asia, Africa, Middle East, and South America.
