3000KVA Three Phase Pad Mount Transformer 24.94KV to 480V - Oil Immersed Distribution with 65°C Temperature Rise
WINLEY offers a complete line of liquid-filled three-phase pad-mounted distribution transformers that meet applicable ANSI®/IEEE® standards. With high voltages up to 34.5 kV and ratings up to 5,000 kVA, these compartmental-type transformers are designed for outdoor installation on concrete pads and provide underground power distribution to commercial, industrial, and institutional loads.
| Parameter | Specification |
|---|---|
| Transformer Type | Pad Mounted, Compartmental-Type |
| Transformer Feed Type | Loop Feed |
| Phase | Three Phase |
| Capacity | 3 MVA (3000 KVA) |
| Vector Group | DYN1 |
| Primary Voltage | 20,780V |
| Secondary Voltage | 480Y/277 |
| Frequency | 60 Hz |
| Temperature Rise | 65°C |
| Insulation Rating | Class E Insulation - 120°C, 248°F |
| Cooling Class | KNAN; Self-Cooled |
| Forced Air (Fans) | None |
| Impedance (Typical) | 5.0-7.5% |
| Winding Material | Copper |
| Ambient Temperature Rating | 40°C |
| Operating Temperature Range | -40°C to +40°C (-50°F to +104°F) |
| Sound Level | 58 dBA |
| Dimensions (W×D×H) | 90" × 80" × 83" |
| Total Weight (Liquid Filled) | 12,576 lbs |
| Rated Capacity | No-load Loss (W) | On-load Loss (W) | Dimensions W×D×H (mm) | Oil Weight (L) | Total Weight (kg) |
|---|---|---|---|---|---|
| 45 kVA | 160 | 1000 | 1730×990×1270 | 416 | 950 |
| 75 kVA | 180 | 1250 | 1730×990×1270 | 435 | 1020 |
| 150 kVA | 280 | 2200 | 1730×1245×1270 | 473 | 1225 |
| 300 kVA | 480 | 3650 | 1830×1295×1270 | 605 | 1655 |
| 500 kVA | 680 | 5100 | 2260×1345×1270 | 720 | 2110 |
| 750 kVA | 980 | 7500 | 2260×1448×1628 | 1022 | 2950 |
| 1000 kVA | 1150 | 10300 | 2260×1500×1625 | 1325 | 3720 |
| 1500 kVA | 1640 | 14500 | 2210×1470×2150 | 1552 | 4672 |
| 2000 kVA | 2160 | 20645 | 2380×1600×2220 | 1855 | 5670 |
| 2500 kVA | 2680 | 27786 | 3070×1650×2330 | 2006 | 6580 |
| 3000 kVA | 3300 | 30300 | 3260×1850×2460 | 2336 | 7500 |
| 3750 kVA | 4125 | 37875 | 4080×2060×2680 | 2650 | 8450 |
- 60 Hz operation
- 65°C average winding rise
- Radial & loop feed arrangements
- Dead and live front type of HV terminals
- HV BIL 45 - 150 kV (Dead Front) 200 kV (Live Front)
- LV BIL 30 - 60 kV
- Three-point latching of low-voltage door
- High-voltage door safety interlock system
- Rigid steel partition
- Transformer tank welded from cover to base
- Permanent nameplate
- One-inch NPT pipe cap filling provision
- ANSI tank ground pads
- One-inch drain valve and sampler
- Automatic pressure-relief valve (35 SCFM)
- Tap changer with (2) 2.5% full capacity taps
- One 10"×18" (or 14"×25") hand hole
- Painted olive-green color (Munsell 7GY 3.29/1.5)
All transformers are designed, manufactured, and tested in accordance with the latest ANSI standards.
Q: Can I place a sample order?
A: Yes, we welcome sample orders to test and verify product quality.
Q: What is the lead time?
A: Mass production typically takes 15-25 days.
Q: How long is the warranty?
A: 24 months from bill of lading date. We provide technical support and replacement parts as needed.
Q: Is OEM/ODM available?
A: Yes, we are a manufacturer with our own R&D team and can customize products according to customer specifications, including color, function, packaging, and branding.
Q: How do you control product quality?
A: Our company holds core technology and CE certification. We employ professional engineers and implement strict quality control throughout production, including performance testing and comprehensive final inspections.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.