Engineered to order Power Transformers
EHV Power Transformer, 330–750 kV
Model: EHV class
Extra-high-voltage oil-immersed power transformers and autotransformers for transmission substations and large generation step-up.
- Voltage class
- 330–750 kV
- Capacity
- up to 1140 MVA
- Design
- 1- or 3-phase
- Factory routine tests and test report with every unit
- Datasheet and drawings available on request
- Installation support and field service from our own crews
Overview
Extra-high-voltage power transformers designed with full electromagnetic, thermal and mechanical simulation of the core, windings, leads and tank. The designs focus on low loss, low partial discharge and low noise, with compact dimensions and simple maintenance. Units are built to the customer's specification for transmission grids, renewable plants and large industrial parks.
Specifications
| Voltage classes | 330 / 500 / 750 kV |
|---|---|
| 750 kV single-phase, two-winding | 260–380 MVA |
| 750 kV three-phase, two-winding | 750–1140 MVA |
| 750 kV single-phase autotransformer | 500–700 MVA, three-winding |
| Design verification | Finite-element simulation of core, windings, leads and tank |
| Insulating fluid | Mineral oil |
| Standards | IEC 60076, GB |
Ratings are summarized from manufacturer literature. Confirm the exact catalog number and ratings with us before ordering.
Typical applications
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35–110 kV Three-Phase Oil-Immersed Power Transformer
- Voltage
- 35–110 kV
- Capacity
- up to 180 MVA
- BIL
- up to 480 kV