Exhibit 3.jpeg
JPEG file 3 MB Posted
- Solicitation number
- 26WA161070-SS
- Issued by
-
Department of Energy
About this file
This image contains the technical specification nameplate and schematic diagram for a Hyundai Auto Transformer, Model RP-8451, manufactured by Hyundai Heavy Industries Co., Ltd. in Ulsan, Korea.
The transformer is a single-phase unit with a rated frequency of 60 Hz, rated power of 170/228.67/283.33 MVA depending on winding configuration, and rated voltage of 525/3 kV on the high voltage side and 230000/3 V on the low voltage side. The unit utilizes GAI/AFOA type cooling, ASTM D3487 insulating liquid, and copper conductor material. Key operational specifications include a temperature rise of 55/55°C, sound level of 75 dB, and tank design for 100-percent vacuum filling. The transformer was manufactured in 2001 and weighs approximately 505,400 lbs total, with detailed component weights documented including untanking (262,600 lbs), tank and fittings (126,900 lbs), insulating oil (129,100 lbs), and transportation (341,580 lbs). The unit includes reactor and ZnO element components with subtractive polarity configuration. Multiple tap settings are available on the high voltage side (ranging from 551250/3 to 498750/3 volts), low voltage side (230000/3 volts), and tertiary voltage side (36225.0 to 32775.0 volts) with corresponding amperage ratings for different current transformer classes. The nameplate indicates the transformer has 30-minute over-load capacity of 366667 kVA for HV and LV windings and 467000 kVA for TV winding, with 30-cycle and 3-minute over-voltage capacities of 615 kV and 575 kV respectively.
Other files
| File | Type | Posted |
|---|---|---|
| Exhibit 6.jpeg | JPEG file | |
| Exhibit 7 toa_fluid_report_N132051_XFMR TCY KT2A-A.pdf | ||
| Exhibit 10.jpeg | JPEG file | |
| Exhibit 5.jpeg | JPEG file | |
| Exhibit 12.jpeg | JPEG file | |
| Exhibit 8toa_fluid_report_N132052_XFMR TCY KT2A-B.pdf | ||
| PWS-TCY-KT2A_TransformerRefurbishment-2026-03-23_Redacted.pdf | ||
| Exhibit 11.jpeg | JPEG file | |
| Exhibit 4.jpeg | JPEG file | |
| Exhibit 13.jpeg | JPEG file | |
| Exhibit 9 toa_fluid_report_N132053_XFMR TCY KT2A-C.pdf |
Show all 11
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