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| Rated voltage | 20kv-110kv |
|---|---|
| Rated capacity | 20mva |
| Application scenarios | substations, industrial, or renewable energy projects. |
| Certifications & Standards | IEC 60076 / IEEE / ANSI / GB |
Ensure reliable, efficient power delivery with our 20 MVA medium-high voltage transformer, engineered for substations, industrial plants, and renewable energy facilities. Designed to handle multiple voltage levels, from 20 kV up to 110 kV, this transformer combines low-loss performance, mechanical durability, and long-term operational stability.

Substations & Power Grids: Step-up and step-down transformer applications for 20 kV, 30 kV, 66 kV, 72 kV, and 110 kV networks
Industrial Facilities: Steel, cement, chemical, and mining plants needing stable medium-high voltage supply
Renewable Energy Projects: Wind farms and solar PV plants requiring step-up transformers for efficient grid integration
Infrastructure & Utilities: Airports, railway systems, hospitals, and data centers
Grid Expansion & Upgrade: Substation upgrades, network expansion, and voltage stabilization

Compatible with multiple voltages: 20, 30, 66, 72, 110 kV
High efficiency with minimized no-load and load losses
Strong resistance to short-circuit and overload conditions
Flexible cooling options: ONAN / ONAF / OFAF
Tap changers: OLTC or DETC for precise voltage adjustment
Long operational lifespan: 25–30 years
| Parameter | Specification |
|---|---|
| Rated Capacity | 20 MVA |
| High Voltage | 20 / 30 / 66 / 72 / 110 kV |
| Low Voltage | 11 / 33 kV |
| Frequency | 50 / 60 Hz |
| Vector Group | Dyn11 / YNd11 / Yyn0 |
| Short-Circuit Impedance | 8–12% |
| No-Load Loss | 6–10 kW |
| Load Loss | 50–70 kW |
| Cooling Method | ONAN / ONAF / OFAF |
| Tap Changer | ±5% / ±10% OLTC or DETC |
| Noise Level | ≤ 60 dB |
| Standards | IEC 60076 / IEEE / ANSI |
Get Your Quote Today – Customize your 20 MVA transformer for substations, industrial plants, or renewable energy projects. Contact our expert team for consultation, technical specifications, and delivery options.
05-05 2025
04-18 2025
09-18 2024
07-13 2024
Copyright © 2022 hnztelec. All rights reserved.