IEEE ANSI 7620v 12470v 13.8kv 34.5kv Single Phase Pole Mounted Oil Type Distribution Transformers
Standard
IEEE, ANSI, IEC 60076, CSA C88, DOE
Warranty
24 months after commissioning
Lead Time
2 months
TESTING
Routine Electrical Tests
- Transformer Turns Ratio (TTR)
- Winding Resistance Measurement
- Polarity Verification
- Excitation Current Test
- No-Load Loss Test
- Load Loss Test
- Impedance Voltage Test
Dielectric Tests
- Applied Voltage Test
- Induced Voltage Test
- Insulation Resistance Test
- Oil Breakdown Voltage Test
Mechanical Tests
- Tank Pressure Test
- Leak Test
- Weld Inspection
- Paint Adhesion and Thickness Inspection
- Nameplate Verification
Optional Type Tests
- Lightning Impulse Test
- Temperature Rise Test
- Short-Circuit Withstand Test
- Sound Level Measurement
Partial Discharge Test
PRODUCT FEATURES
Utility-Grade Construction
- Pole-mounted design for overhead distribution systems
- Welded steel tank construction
- Corrosion-resistant coating system
- Hot-dip galvanized mounting hardware
High Reliability
- Hermetically sealed tank
- Moisture-resistant insulation system
- Long operating life
- Low maintenance requirements
Oil-Filled Cooling System
- ONAN cooling
- Excellent thermal performance
- High overload capability
- Extended insulation life
Safety Features
- Internal protective fuse options
- Bayonet fuse assembly (optional)
- Current-limiting backup fuse
- Pressure relief device
- Grounding terminals
- Surge arrester mounting provisions
Energy Efficiency
- Low-loss grain-oriented silicon steel core
- Reduced no-load losses
- Low operating noise
- High efficiency performance
Customization Options
- Copper or aluminum windings
- Various BIL levels
- Multiple tap arrangements
- Mineral oil or biodegradable ester fluid
- Utility-specific nameplates and accessories