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High-Efficiency Oil-Immersed Transformer for Power Distribution
The 1000KVA 11KV/0.4KV Oil Type Distribution Transformer is engineered for modern power distribution networks that require high efficiency, strong overload capacity, and reliable operation. Designed specifically for grid applications in regions like Vietnam, this oil-immersed distribution transformer delivers excellent thermal performance, superior insulation, and extended service life.
Whether used in urban utility grids, industrial zones, or rural power networks, this transformer meets international standards such as IEC 60076 and GB 1094, making it ideal for global deployment.
Product Highlights
- Rated Power: 1000 KVA
- High Voltage: 11kV / 10kV
- Low Voltage: 0.4kV
- Cooling Method: ONAN (Oil Natural Air Natural)
- Standards: IEC 60076, GB 1094
- Construction: Two-winding, Three-phase
With low no-load and load losses, the transformer contributes to greater energy savings and reduced operating costs for utilities and end users alike.
1000KVA Oil Type Distribution Transformer Specifications
| Item | Specification |
|---|---|
| Place of Origin | China |
| Brand Name | EverNew Transformer |
| Model Number | Power Transformer |
| Rated Capacity | 1000 kVA |
| High Voltage (HV) | 10/11 kV |
| Low Voltage (LV) | 0.4 kV |
| Frequency | 50/60 Hz |
| Phase Number | Three Phase |
| Winding Type | Two Winding |
| Tapping Range | ±2×2.5% |
| Impedance Voltage | 0.04 |
| Load Loss | 2.73/2.6 kW |
| No-load Loss | 0.34 kW |
| No-load Current | 0.01 |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Coil Material | Copper / Aluminum (optional) |
| Connection Group | Yyn0 / Dyn11 |
| Size (L×W×H) | 1240 × 780 × 1360 mm |
| Weight | 910 kg |
Climate Adaptability & Structural Advantages
These transformers are specifically optimized for tropical and high-humidity regions like Vietnam. The heavy-duty weatherproof enclosure is corrosion-resistant, ensuring excellent outdoor performance even under fluctuating temperatures and humid conditions.
Optional Accessories
Enhance the transformer’s performance with a selection of customizable accessories:
- Cooling Enhancements: Oil pumps, fans, or forced air cooling (ONAF)
- Tap Changers: OLTC or OCTC for flexible voltage regulation
- Monitoring: Digital temperature indicators, gas relay, oil level sensors
- Protection: Buchholz relay, pressure relief device, lightning arrester brackets
- Mobility: Lockable wheels and padlockable switches for safe transport and security
Production Process
All units are manufactured in accordance with ISO 9001 quality systems. From winding, assembly, oil filling, to final testing, each transformer undergoes a strict quality control process to guarantee reliability and compliance.
Testing & Quality Assurance
- Routine Tests: Ratio test, insulation resistance, leakage, and winding resistance
- Type Tests: Impulse voltage, temperature rise, and short circuit simulation
- Special Tests (on request): Noise level, partial discharge, DGA (Dissolved Gas Analysis)
Applications
- Utility power distribution networks
- Industrial plants and manufacturing facilities
- Renewable energy grids (solar, wind)
- Urban electrical substations
- Rural electrification programs
- Backup systems and critical infrastructure
Frequently Asked Questions (FAQ)
Q1: Can the 1000KVA transformer be customized for coastal or tropical environments?
Yes, we offer weatherproof and corrosion-resistant tanks, enhanced bushings, and moisture-resistant breathers for humid and salty environments.
Q2: What standards does this transformer comply with?
It complies with IEC 60076, GB 1094, and can meet IEEE or ANSI standards upon request.
Q3: What is the delivery time for a 1000kVA oil-immersed transformer?
Standard models are typically ready within 15–25 working days. Customized designs may require slightly longer.
Q4: Is it suitable for solar or hybrid energy systems?
Absolutely. It is ideal for solar PV grid-tie or hybrid inverter systems requiring 11kV step-up or step-down functionality.
Q5: What cooling options are available?
Standard ONAN cooling is included. ONAF (with fans) and oil pump circulation systems are optional for higher performance.
