Single-Phase Pole-Mounted Distribution Transformer
1. Utility-Grade Outdoor Construction: Tank, bushings, hardware and coating systems are engineered for pole-mounted outdoor service.
2. Project-Specific Ratings: Primary voltage, secondary voltage, kVA, BIL and impedance are selected to match utility and project requirements.
3. Insulating-Fluid Options: Mineral oil or natural ester fluid is available as specified.
4. Protection and Accessories: Surge arresters, cutouts, secondary breakers and wildlife-protection accessories can be supplied when required.
5. Standards-Based Designs: IEEE/ANSI and U.S. Department of Energy configurations are available when applicable to the product and project scope.
Product Details
Single-Phase Pole-Mounted Distribution Transformer
This oil-immersed transformer is designed for overhead distribution systems serving residential, commercial, rural and utility applications. Each unit is engineered to the specified primary voltage, secondary voltage, kVA rating, grounding arrangement and utility construction standard.
Typical Configuration Range
• Capacity: Common ratings from 5 to 167 kVA; larger project-specific ratings subject to engineering review
• Frequency: 50 or 60 Hz
• Primary Voltage: Utility distribution voltages through the applicable medium-voltage class
• Secondary Voltage: Project-specific single-phase secondary ratings
• Cooling: ONAN or KNAN, depending on the insulating fluid and design
• Insulating Fluid: Mineral oil or natural ester fluid
• Taps: De-energized tap changer configurations available
• Mounting: Pole-mounted tank with utility-specified lifting and mounting provisions
• Bushings: Cover-mounted or sidewall-mounted arrangements as specified
• Tank: Sealed-tank construction with corrosion-protection coating
Available Options
• Primary surge arresters and fused cutouts
• Secondary circuit breaker
• Internal current-limiting fuse
• Dual-voltage or series-multiple primary arrangements
• Wildlife guards and bushing covers
• Pressure-relief device, grounding provisions and nameplate options
• Utility-specific brackets, connectors and hardware
Standards and Efficiency
Designs can be provided for applicable requirements of IEEE C57.12.00, IEEE C57.12.20, IEEE C57.12.28 and IEEE C57.12.90. U.S. Department of Energy efficiency requirements under 10 CFR Part 431 apply when the transformer is within the regulated distribution-transformer scope.
Final kVA, voltage ratio, BIL, impedance, losses, temperature rise, dimensions, weight and accessories are confirmed on the approved drawings and certified test documentation.
Leave your messages
