Ref: XH-SUB-2026-0462
XINHUAN
Submittal Package
Anhui XinHuan Electrical Power Equipment Co., Ltd. | Hefei Manufacturing Base
CNAS Test Certified | ISO 9001:2015 | ISO 14001:2015 Registered OEM
SUBMITTAL REF: XH-SUB-2026-0462
Date: 2026-10-09
Standard: IEC 60076 / GB/T 1094 / ANSI C57
Compact Substations
2500 kVA Three-Phase Pad-Mounted Transformer (ANSI C57.12.20)
Submittal Specification Datasheet & Engineering Technical Parameters
1. Electrical Technical Parameters & Ratings
| Parameter Specification | Design Rating & Certified Value |
|---|---|
| Rated Capacity | 2500 |
| Primary Voltage | 34.5 kV primary / 480Y/277 V secondary (customizable) |
| Secondary Voltage | 480Y/277 V, 208Y/120 V |
| Standards Compliance | ANSI C57.12.20, IEEE, NEMA |
| Cooling Type | ONAN |
| Configuration | Dead-front, Loop feed / Radial feed |
| Vector Group | Dyn11 (or as specified) |
| Frequency | 60 Hz (ANSI) / 50 Hz (IEC) |
| Efficiency Level | 99.2% |
| Impedance (%Z) | 5.75% |
| Insulation Class | Class A (65°C average temperature rise) |
| Enclosure Rating | NEMA 3R / IP54 Tamper-Resistant Steel Enclosure |
| Voltage | 34.5 kV primary / 480Y/277 V secondary (customizable) |
| Kva | 2500 |
| Standard | ANSI C57.12.20, IEEE, NEMA |
| Cooling | ONAN |
| Efficiency | 99.2% |
| Impedance | 5.75% |
2. 2D AutoCAD General Arrangement (GA) Drawing & Dimensional Profile
Figure 2.1 — 2D AutoCAD Dimensional Submittal Schematic
Dimensional & Installation Requirements
- Foundational Base: Steel channel Skid / Sub-station Pad Mounting.
- Bushings Orientation: HV top-mounted / side-cabinet entry option.
- Grounding Terminals: Dual M12 copper grounding pads on diagonal corners.
- Enclosure Protection: IP54 Outdoor Corrosive C4/C5 Marine Paint Coating.
- CAD Drawing File: Request `.DXF` or `.DWG` blocks from sales engineering.
3. Factory Acceptance Testing (FAT) & Routine Test Protocol
Every transformer manufactured by XinHuan undergoes 100% routine inspection in accordance with IEC 60076-1 before dispatch. Routine test certificates are included in the shipment package.
1. Winding Resistance Measurement (HV & LV)
2. Voltage Ratio & Vector Group Phase Displacement
3. Short-Circuit Impedance & Load Loss Test
4. No-Load Loss ($P_o$) & Excitation Current Test
5. Separate-Source AC Dielectric Withstand Test
6. Induced Overvoltage Withstand Test (DVWV)
7. Insulation Resistance & Polarization Index (Megger)
8. Hermetic Tank Pressure Leakage & Oil BDV Test
4. Seaport Logistics, Packaging & Warranty Terms
Export Packaging
IPPC fumigated solid wooden crate skid with vacuum moisture foil barrier.
Primary Delivery Ports
CIF Chancay, Callao, Apapa, Mombasa, Manila, Jakarta, Santos, & Valparaiso.
Factory Warranty
36 Months Full Replacement / Factory Engineering Warranty against defects.
Anhui XinHuan Electrical Power Equipment Co., Ltd.
Factory Address: Industrial Park, Hefei City, Anhui Province, China | Export Dept: [email protected]
Submittal Document Code: XH-SUB-2026-0462 — Confidential Technical Datasheet