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Industrial Electric Circular Coil HV Oil Immersed Transformer Step Up Step Down 3 Phase

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Industrial Electric Circular Coil HV Oil Immersed Transformer Step Up Step Down 3 Phase

Industrial Electric Circular Coil HV Oil Immersed Transformer
Three-Phase Step Up/Step Down Power Transformer
Product Overview
Industrial three-phase oil immersed transformer Close-up view of transformer coils and components
Key Specifications
AttributeValue
TypeDistribution transformer, Auto Transformer
Material100% Copper Wire
Frequency50Hz, 60Hz
PhaseThree
Coil StructureCircular coil (Dual-winding)
Input Voltage3kV-400kV (multiple options)
Output Voltage11kV-480V (multiple options)
Cooling MethodONAN, ONAF, OFAF
Warranty2 Years
Product Features
Technical diagram of oil-immersed transformer
  • Oil-Immersed Design: 30KVA-2501KVA capacity range with fully sealed structure for improved moisture resistance
  • Flexible Cooling Options: Supports ONAN (Oil Natural Air Natural) and ONAF (Oil Natural Air Forced) configurations
  • Installation Versatility: Suitable for indoor/outdoor, pad-mounted, or pole-mounted installations
  • Customization Available: Voltage, connection method, and enclosure options tailored to your requirements
  • Certified Quality: Compliant with CE, ISO9001, and ISO14001 standards
Technical Data (35KV Three-Phase Models)
Capacity (KVA)HV (KV)HV TappingLV (KV)Vector GroupNo-load Loss (W)On-load Loss (W)No-load Current (%)Short Circuit Impedance (%)
63035±5%3.15/6.3/10.5Yd1183078701.16.5
800980941016.5
100011501154016.5
Ordering Process
Step 1: Inquiry & Quotation
We respond within 1 hour with suitable transformer recommendations and competitive quotations. Our technical team confirms all drawing details within 7 days after payment.
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Step 2: Production & Quality Inspection
Strict quality control with QC and test reports provided. Raw materials are carefully screened, and we accept Factory Acceptance Tests (FAT).
Step 3: Installation & Warranty
Professional installation support with over 2 years warranty service included.
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Frequently Asked Questions
Q: Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions since 2011, specializing in reliable, high-performance transformers for global applications.
Q: How can we guarantee quality?
Pre-production samples, final inspections, and comprehensive test reports. We manufacture to ANSI/IEEE/DOE2016/CSA/IEC60076 standards with 2+ years warranty.
Q: Why choose us?
Professional technical team with 30+ senior engineers offering 24/7 support with 30-minute response time. Custom drawings confirmed within 7 days.
Q: What services can we provide?
OEM services available with flexible payment terms. Comprehensive support from design to installation.
Quality Industrial Electric Circular Coil HV Oil Immersed Transformer Step Up Step Down 3 Phase for sale
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