Pole Mounted Single Phase Distribution Transformer
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According to protection functions, the single-phase pole-mounted distribution transformers could be classified into two categories which are conventional type and completely self-protected (CSP) type. These two types could use either CRGO cores or amorphous metal cores, and the windings are made of copper or aluminum.The single-phase pole-mounted distribution transformers is usually seen in countryside, remote mountainous area and other places where electrical loads are scattered, and it is used to improve power supply quality, while the costs for infrastructures and power lines are also reduced.
Technical Specs
| Rating |
50 KVA |
|
Type |
Pole-Mounted Distribution Transformers |
|
No. of Phases |
1 |
|
Frequency |
60 Hz |
|
Primary Voltage |
25/37.5 KV |
|
Secondary Voltage |
120/240/480 V |
|
Tapping Range |
±2 x 2.5% |
|
Winding Material |
Copper / Aluminum |
| Core Material |
Grain Oriented Silicon Steel Sheet |
|
Impedance |
1.5 – 4.5 % |
|
Efficiency |
99.11% |
|
Cooling Type |
ONAN |
|
Average Winding Rise |
55 °C, 55/65 °C, 65 °C |
|
Fluid Type |
Non-PCB Mineral Oil / FR3 Biodegradable |
| Tap Changer |
Off-Load Tap Changer |
|
IEEE Standards |
C57.12.00, C57.12.20, C57.12.31, C57.12.35, C57.12.90, C57. 91 and C57.154 |
|
NEMA Standard |
NEMA TR 1 |
|
Tank Coating |
IEEE Std C57.12.31-2010 |
|
Certification |
UL Listed |
feature of pole mounted distribution transformers
Tanks:
External welds are 100% coverage for added strength and corrosion withstand.
Lift ears allow sling lifting while the unit is still banded to the pallet.
Tank bottoms weld is recessed for added protection.
Bushings:
Secured with grip nuts for uniform pressure.
Tightened with torque wrenches for consistent leak free performance.
Gaskets made of nitrile rubber for long life.
Corrosion Protection:
100% of the polemount receives a paint finish that exceeds all IEEE requirements including 160 in-lb. impact, 2000-hour salt spray, 1000 hours QUV and 20 cycle SCAB.
application case
GNEE offers single-phase pole-mounted distribution transformers engineered for residential overhead distribution loads. They are also appropriate for industrial lighting, light commercial loads, and various power applications. These transformers are designed to meet the application requirements typically found on electric utility distribution systems.
Packing&Delivery
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