Specifications
Description
Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA
Product Attributes
Attribute Value
Frequency 50Hz, 60Hz
Phase Three
Coil Number Multi Winding, Three Windings, Two Windings, Single Winding
Application distribution system
Coil Structure round coil, Shell-Type Coil, layer coil, fully sealed construction, Disc Coil
Output Voltage 415V, 110V, 220V, 380V, 400V, 440V, 480V
Input Voltage 11kV, 10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV, 10kV
Type Oil-Immersed Transformer, Dual Winding Transformer, Loop feed/ Radial feed
Tapping Range 2X2.5%
Efficiency >99%
Name Oil Type Three Phase Pad Mounted Transformer
Standard ANSI/DOE2016/IEEE C57.12.00
Primary voltage 2.4 through 35KV (150KV BIL)
Low Voltage Up to 600 volts
Capacity 75-3750 kVA
Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA
Product Parameters
Capacity (KVA) HV Tapping range LV No-load loss Load loss Impedance Efficiency
75 2400 4160 7200 7620 12000 12470 13200 13800 14400 19920 24940 34500 ±2X2.5% 110 120 208 240 277 347 415 416 480 600 690 130 100 4.0-6.3 99.03
152 200 1800 99.16
225 350 3100 99.23
300 430 3700 99.27
500 600 5410 99.35
750 880 7500 99.4
1000 1000 10300 99.43
1500 1400 14500 99.48
2000 1800 18300 99.51
2500 2300 23100 99.53
3150
3750
Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA
Product Overview

The 750kVA Three-Phase Pad-Mounted Transformer is engineered for stable, high-efficiency power distribution in commercial, industrial, and utility environments. Designed for outdoor use, this oil-immersed unit offers a secure, low-maintenance, and tamper-resistant solution ideal for medium-voltage applications. With customizable input/output voltages and compliance with international standards, it's a dependable power system backbone that ensures performance even in harsh climates.

Features
  • Rated Power: 750 kVA
  • Configuration: Three-Phase, Pad-Mounted, Oil-Immersed
  • Primary Voltage: Customizable (e.g., 13.8kV, 11kV, 12.47kV)
  • Secondary Voltage: Customizable (e.g., 480V/277V, 208V/120V)
  • Frequency: 50Hz / 60Hz
  • Cooling Type: ONAN (Oil Natural Air Natural)
  • Insulation Class: Class A or F (customizable)
  • Tap Changer: ±2×2.5% or ±5% Off-load Tap Changer
  • Enclosure: Tamper-proof, Weather-resistant, ANSI Type 2 or Type 3R
  • Protection Rating: IP23 or upgraded to IP44/IP54 for enhanced environments
  • Temperature Rise: Standard 65°C
  • Sound Level: ≤ 58 dB (low-noise performance)
  • Core Material: High-grade silicon steel, low-loss core
  • Compliance: ANSI C57, IEC 60076
Benefits
Efficient Power Handling: Engineered to deliver stable and balanced three-phase power with minimal losses.
Rugged Outdoor Design: Built for permanent outdoor installation with anti-corrosion coating and sealed tank.
Safe & Secure: Pad-mounted with lockable compartments to prevent tampering and ensure personnel safety.
Custom Voltage Flexibility: Accommodates site-specific grid and load requirements with tailored voltage options.
Quiet Operation: Low-noise design allows placement near commercial or residential zones.
Extended Service Life: Oil-immersed cooling protects internal components and reduces aging for 20+ years of operation.
Minimal Maintenance: Sealed construction means fewer inspections and lower long-term operating costs.
Applications

Common Applications:

  • Commercial Complexes - Office parks, shopping malls, hotels, and universities.
  • Industrial Plants - Supports heavy-duty equipment, CNC machinery, and production lines.
  • Utilities & Substations - Suitable for distribution networks requiring mid-range voltage transformation.
  • Renewable Energy Systems - Ideal for integration into solar and wind installations to manage grid stability.
  • Municipal Infrastructure - Outdoor lighting, traffic systems, and public utility networks.
Business Partner
Q: Who are we?

HENTG POWER is a professional designer, manufacturer and installer of power system solution around the World, was founded in 2011, occupies 100,000 square meter. specializing in reliable, high-performance solutions for global power systems.

Q: How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment, We will provide QC & test reports. We accept FAT(Factory Acceptance Test). Factory can manufacture oil type and dry type distribution transformer, max 500KV 480MVA power transformer, GIS, switchgear, substation, based on ANSI/IEEE/DOE2016/CSA/IEC60076 standard. We will provide you with the guarantee service of over 2 years.

Q: Why choose us?

We have the professional and independent drawing team and technical team, It is expected that we can confirm all the contents on the drawings with you within 7 days. we have a professional technical team with 30+ senior engineers offer 24 hours online service and response within 30 min.

Q: What services can we provide?

Accept OEM, business payment are negotiated.

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Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA

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Outdoor Oil Immersed Power Transformer 3 Phase Pad Mounted 750kVA

Hunan Hentg Power Electric Technology Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2011
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Total Annual :
50000000-100000000
Employee Number :
200~250
Certification Level :
Verified Supplier
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