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Home > Substation Transformer > 66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
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66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation
66-22kv 5mva Power Transformer with Oil Immersed for Power Substation

66-22kv 5mva Power Transformer with Oil Immersed for Power Substation

Customization: Available
Application: Power, Power Transmission
Phase: Three
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Product Description

📋 Basic Information
Model NO.:PEO-S-5000/66/22
Core:Core-type Transformer
Cooling Method:Oil-immersed Type
Usage:Power Transformer
Capacity:5MVA
Rated H.V.:66kV
Rated L.V.:22kV
Vector Group:Dyn11/ Yyn0
Core Material:Silicon Steel
Winding Material:Copper/Aluminum
⚡ Product Description

66-22kv 5mva Power Transformer with Oil Immersed for Power Substation

Power Transformer
No. Description Specification
01Production DescriptionsOil Immersed Power Transformer
02Reference standardsIEC 60076
03Capacity5MVA
04Voltage (HV)66kV
05Voltage (LV)22kV
06Applied inPower Plant
07Impedance %8%
08ConnectionsDyn11/Yyn0
09Frequency50Hz/60Hz
10Core materialsSilicon Steel
11Winding materialsCopper/Aluminum
12Cooling methodONAN/ONAF

Project Reference

  • 88kV power transformer for AC traction substation in South Africa.
  • 230kV power transformer for Gas power station in Myanmar.
  • 110kV power transformer for hydropower project in Vietnam.
Project Reference
🏢 Production Capability

The enterprise is mainly engaged in the R&D and manufacture of power transmission and transformation equipment. Established in 1958, the company occupies a factory area of 10.5 hectares, with more than 7.2 hectares of modern factory buildings and more than 600 sets of specialized manufacturing equipment.

Factory View
Category Annual Capacity
Dry-type transformer15,000MVA
Oil-immersed Distribution Transformer18,000MVA
110kV & 220kV Power Transformer300 units
Substation Transformer10,000 units
Production Line
🛠️ Advanced Technology
Core: High quality cold rolled grain oriented silicon steel sheet with high magnetic permeability. Full 45° slope lamination reduces no-load loss and current efficiently.
LV Winding: Superior foil conductors or 100% copper wire for better ampere-turn balance and reduced magnetic flux leakage, improving anti-short circuit capability.
HV Winding: Superior copper conductor wires with fiberglass reinforced insulation. Optimized structure for improved electric field distribution and anti-lightning capability.
Tank: High-quality steel with rust phosphate coating and FVC anticorrosive paint. Designed for harsh outdoor environments with artistic contour and maintenance-free operation.
Technology 1 Technology 2 Technology 3
📜 Certifications & Shipping

We have established a sound quality management system: ISO9001:2015, ISO14001:2015, and ISO45001:2018. Products participate in type and special tests of internationally recognized independent testing laboratories.

Certificates
Packaging
❓ Frequently Asked Questions
QAre you a Manufacturer, factory or Trading company?
Yes, we have been engaging in the research and development, production and operation of transformers for over 60 years.
QWhat are your warranty terms?
We offer a 12-month warranty period for our products.
QWhat is the typical production time?
Production usually takes 30 to 45 days, depending on the specific order requirements.
QHow do you conduct quality control?
We implement 100% QC inspection. There are over 10 inspection stages during the manufacturing process, from raw materials to the final products.
QDo you provide custom-made transformers?
Yes. Providing technical drawings and specification documents is best for us to create a custom solution for your needs.
QAre products kept in stock?
Normally no. All products are produced according to specific order quantities and technical requirements.

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