Hunan Hentg Power Electric Technology Co., Ltd.
                                                                                                           
Verified Supplier
15 Years
Since 2011
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30kVA To 1000KVA Step Up Cooper Oil Filled Transformers For HV Power Transmission

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description
30kVA To 1000KVA Step Up Copper Oil Filled Transformers For HV Power Transmission
Product Specifications
Frequency 50Hz, 60Hz
Phase Three
Coil Number Single Winding, Two Windings, Multi Winding, Three Windings
Application Power Distribution System Power Transformer
Coil Structure Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil
Output Voltage 415V, 110V, 220V, 380V, 400V, 440V, 480V
Input Voltage 11kV, 10.5kV, 3kV, 6.3kV, 6.6kV, 12.47kV, 6kV, 10kV, 35kV
Type Voltage Regulator Transformer, Oil-Immersed Transformer
Vector Group Dyn11 / Yyn0
Product Name S20 Energy Efficiency Secondary Oil-immersed Transformer
Customization Accept
S20 Energy Efficient Oil-Immersed Transformer Transformer technical specifications Transformer production process Transformer technical diagram
S20 Type Energy-Efficient Secondary Oil-Immersed Transformer Specifications
Rated Capacity (KVA) Vector Group Voltage Combination Tapping Range No-load Loss Load Loss Impedance
30 Yyn0 / Dyn11 10 6.3 6 ±5% ±2X2.5% 70 505/480 4.0
50 90 730/695
Consulting Process
Transformer catalog Consulting process diagramStep 1: Initial Consultation
We respond to inquiries within 1 hour, recommending suitable transformers and providing competitive quotations with flexible payment terms. Our technical team confirms all drawing details within 7 days after payment, including technical data, weight, and parts list.
Step 2: Production & Quality Assurance
After finalizing production drawings, we prepare materials and manufacture with strict quality control. We provide QC and test reports, and accept Factory Acceptance Tests (FAT). Special accessory requirements can be accommodated.
Step 3: Installation & Support
Our professional team provides installation guidance and on-site support. All products come with a minimum 2-year warranty and ongoing technical assistance.
Shipping Process
Shipping process Packaging details
Company Profile
Company facility
Why Choose Us
  • 30+ senior engineers offering 24/7 online support with 30-minute response time
  • 100,000 m² factory with 250 workers and 30+ engineers
  • 4 production lines with 10,000+ sets annual capacity
  • 100% OQC testing with 25 detection parameters
  • 15 years power transformer design and manufacturing experience
  • Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
  • Cross-industry power transformer solutions
  • Global on-site technical support
Certifications
Product certifications Quality certifications
Frequently Asked Questions
Q: Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011, occupying 100,000 square meters. We specialize in reliable, high-performance solutions for global power systems.
Q: How can we guarantee quality?
We conduct pre-production sampling and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture oil type and dry type distribution transformers up to 500KV 480MVA, complying with ANSI/IEEE/DOE2016/CSA/IEC60076 standards. All products come with a 2+ year warranty.
Q: Why choose us?
Our professional drawing and technical teams confirm all drawing details within 7 days. With 30+ senior engineers, we offer 24/7 online support with 30-minute response times.
Q: What services can we provide?
We accept OEM requests and offer flexible business payment terms.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Hentg Power Electric Technology Co., Ltd.
Location Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha,Hunan province, China
Contact Person Ms. Laurel

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