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{"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"}}
Customizable Options: Available in various power ratings to meet specific requirements
Energy Efficient: Minimizes losses for maximum energy savings
Cost-effective: Long lifespan with low maintenance costs
Global Support Network: Worldwide technicians and service centers
Technical Data
Capacity (KVA)
HV (KV)
HV Tapping
LV (KV)
Vector Group
No-load Loss (W)
On-load Loss (W)
No-load Current (%)
Short Circuit Impedance (%)
630
35
±5%
3.15 6.3 10.5
Yd11
830
7870
1.1
6.5
800
980
9410
1
1000
1150
11540
1
1250
1410
13940
0.9
1600
1700
16670
0.8
2000
2180
18380
0.7
2500
2560
19670
0.6
Key Features
Optimized for 35kV Medium Voltage Networks: Designed for industrial zones, rural power grids, and utility substations
Stable and Balanced Three-Phase Power Supply: Ensures smooth operation of heavy-duty equipment
Efficient Oil-Immersed Cooling System: Uses mineral or natural ester insulating oil for effective heat dissipation
High Reliability and Robust Construction: Built to withstand electrical, mechanical, and thermal stress
Manufacturing Process
Step 1: Design & Quotation
We respond within 1 hour with recommendations and quotations. Our technical team confirms all drawing details within 7 days after payment, including technical data, weight, and parts list.
Step 2: Production & Quality Control
After design approval, we prepare stock, manufacture, and conduct rigorous quality inspections. We provide QC reports and test reports for all products.
Step 3: Installation & Support
We provide professional installation guidance and on-site support. All products come with more than 2 years warranty service.
Company Capabilities
100,000m² factory with 250 workers and 30+ senior engineers
4 production lines with 10,000+ sets annual production capacity
100% OQC testing with 25 detection contents
15 years power transformer design and production experience
Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
Cross-industry power transformer solutions
Global on-site technical support
Frequently Asked Questions
Who are we? HENTG POWER is a professional designer, manufacturer and installer of power system solutions, founded in 2011 with 100,000 square meter facility, specializing in reliable, high-performance solutions for global power systems.
How can we guarantee quality? We conduct pre-production sampling, final inspection before shipment, and provide QC & test reports. We accept Factory Acceptance Tests (FAT) and offer 2+ years warranty service.
Why choose us? We have professional drawing and technical teams that can confirm all drawing details within 7 days. Our 30+ senior engineers provide 24/7 online support with 30-minute response time.
What services can we provide? We accept OEM orders and negotiate business payment terms to meet customer requirements.
