ANSI IEEE Single Phase Pad Mounted Transformer
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Single-phase pad-mounted transformers usually include insulated windings on the high-voltage side and low-voltage side, oil-immersed insulation systems, and related protection and control devices, such as fuses, disconnectors, overvoltage protection devices, etc.This type of transformer is suitable for smaller-scale power distribution and is often used for residential and small commercial purposes. They have a small size and can be easily installed in tight spaces.
| single phase pad mounted transformer specification | ||||||
| Rated Cap acity(kVA) | High | Low Voltage(v) | Connection Symbol | Standard | Short-circuit impedance(%) | Efficiency |
| Voltage(v) | (%) | |||||
| 25 | 4160 7200 12470 13200 13800 19920 24940 34500 |
110 220 230 400 480 | II0,II6 | IEEE/ANSI/ DOE | 1.0-4.5% | 98.95 |
| 37.5 | 99.05 | |||||
| 50 | 99.11 | |||||
| 75 | 99.19 | |||||
| 100 | 99.25 | |||||
| 167 | 99.33 | |||||
| 250 | 99.39 | |||||
| 333 | 99.43 | |||||
| 500 | 99.49 | |||||
Optional Accessories and Features
Transformers may be provided with the following optional items if specified by the purchaser:
- An anticorrosion skirt for high contaminated areas;
- Load break switches;
- Thermometer;
- Liquid Level Gauge;
- Provision for padlocking of load break switches;
- Stud type or spade type low voltage bushings;
- Load break inserts complete with dust cap;
- Customer stock code and stenciling;
- Bail tabs on the bushing well clamps;
- Provision for a remote fault indicator light;
- High voltage of circuit taps;
- Additional tests may be requested by the purchaser and shall be performed in accordance to ANSI/IEEE C57.12.90;
- Permanent and/or temporary bar coding label as shown in ANSI/IEEE C57.12.35;
- Purchaser specified impedance limits;
- FR3 fire resistant bio degradable insulating fluid LNAN;
- A non resettable device that detects internal transformer faults, incorporates pressure relief, and provides an external indication;
- Alternative protection devices, specified by the purchaser;
Package&delivery
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