Single Phase Overhead Distribution Pole Mounted Transformer
Model Series：D11
Rated Voltage ：2.5～34.5kV
Standard：IEEE C57.12.20
Warranty：Two years
Application：Outdoor/Indoor
Product Standards
IEEE Std C57.12.00™-2000 standard – IEEE Standard for Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers.
IEEE Std C57.12.20™-2005 standard – IEEE Standard for Overhead-Type Distribution Transformers, 5000kVA and Smaller: High Voltage, 34500V and Below; Low Voltage, 7970/13800V Y and below.
IEEE Std C57.12.31™-2010 standard – IEEE Standard for Pole Mounted Equipment – Enclosure Integrity.
IEEE Std C57.12.25™-1996 standard – IEEE Standard for Pad Config for Distribution Transformers.
IEEE Std C57.12.90™-2006 standard – IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers.
IEEE Std C57.12.91™-2001 standard – IEEE Guide for Loading Mineral-Oil-Immersed Transformers.
(NEMA TR 1-1993 (R2000) Elevated Temperatures. (ASTM)American Society for Testing Materials
Main Features
Type: Conventional or CSP type
Suitable for both indoor or outdoor
Ambient temp: -25°C~+40°C
Winding temp rise: 55 °C or 65 °C
Core: CRGO or Amorphous Core
Efficiency standard: DOE 2016 or NEMA TP1
Winding material : CU or AL
Frequency: 50HZ or 60HZ
Capacity : 5kVA to 333kVA
Quality Assurance
Farady Quality assurance is an integral part of the process.All electrical testing is per IEEE standards.Quality of processed parts and subassemblies are the responsibility of the production personnel.Regular quality inspections and spot checking are conducted to make sure that good and consistent quality is achieved and maintained.
Routine Tests
Inprocess Core Loss Test
Transformer Turns Ratio Test
Winding Resistance Test
Polarity and Phase Displacement Test
Insulation Power Factor Test
Liquid Insulation D&V Test
No Load Loss & Excitation Test
Impedance Voltage & Load Loss Test
Voltage Ratio Test
Applied Potential Test
Induced Potential Test
Type Tests
Temperature Rise Test
Basic Impulse Level (BIL)
Sound Level test
