Overview
This pad-mounted transformer is purpose-built for photovoltaic and wind power generation projects. It converts the output of the generating unit to the voltage required by the collection system, in a pad-mounted format that installs directly on the site pad.
The transformer is a three-phase, 50Hz unit with a choice of high-voltage winding ratings from 6kV through 38.5kV and low-voltage windings from 0.27kV to 0.4kV, allowing it to be matched to the array or turbine output and the site collection voltage.
Key Features
- Purpose-built for renewable generation — designed for photovoltaic and wind power pad-mounted applications.
- Wide high-voltage range — rated high-voltage side options of 6kV, 12kV, 24kV, 35kV, 36.75kV and 38.5kV.
- Low-voltage options for inverter and turbine output — rated low-voltage side options of 0.27kV, 0.3kV, 0.315kV and 0.4kV.
- Three-phase, 50Hz design — matching standard renewable generation and distribution practice.
- Pad-mounted format — installs on the site pad at the generating unit rather than in a dedicated substation building.
- High-voltage flexibility — covers both the 35kV class commonly used in collection systems and the 36.75kV and 38.5kV ratings used in specific grid standards.
Technical Specifications
| Product type | Photovoltaic / wind power pad-mounted transformer |
|---|---|
| Rated voltage, high-voltage side | 6kV, 12kV, 24kV, 35kV, 36.75kV, 38.5kV |
| Rated voltage, low-voltage side | 0.27kV, 0.3kV, 0.315kV, 0.4kV |
| Rated frequency | 50Hz |
| Number of phases | Three-phase |
Applications
- Photovoltaic (solar) power plants and inverter stations.
- Wind power plants and turbine collection systems.
- Renewable generation sites where a pad-mounted transformer is installed at the generating unit.
- Collection systems operating at 6kV, 12kV, 24kV, 35kV, 36.75kV or 38.5kV.
- Projects requiring low-voltage windings of 0.27kV, 0.3kV, 0.315kV or 0.4kV.
Installation Conditions
- The transformer is pad-mounted, so a suitable mounting pad should be prepared at the generating unit.
- Confirm the high-voltage winding rating required by the collection system — 6kV, 12kV, 24kV, 35kV, 36.75kV or 38.5kV.
- Confirm the low-voltage winding rating required by the inverter or turbine output — 0.27kV, 0.3kV, 0.315kV or 0.4kV.
- The site supply frequency must be 50Hz, matching the transformer rating.
How to Select
- The high-voltage side rated voltage required — 6kV, 12kV, 24kV, 35kV, 36.75kV or 38.5kV.
- The low-voltage side rated voltage required — 0.27kV, 0.3kV, 0.315kV or 0.4kV.
- The apparent power rating demanded by your generating unit output.
- The winding connection group and impedance appropriate to the collection system.
- Site conditions such as altitude, ambient temperature and any special environmental requirements.
FAQ
What voltages are available on the high-voltage side?
The rated voltage on the high-voltage side is available as 6kV, 12kV, 24kV, 35kV, 36.75kV and 38.5kV.
What voltages are available on the low-voltage side?
The rated voltage on the low-voltage side is available as 0.27kV, 0.3kV, 0.315kV and 0.4kV.
What is the rated frequency and phase configuration?
The transformer is rated at 50Hz and is a three-phase unit.
What is this transformer designed for?
It is a pad-mounted transformer designed specifically for photovoltaic and wind power projects, installed at the generating unit on the site pad.
Why are 36.75kV and 38.5kV ratings offered?
The transformer covers a wide high-voltage range from 6kV to 38.5kV so it can be matched to different collection system designs and local grid standards.
What should be confirmed before ordering?
Confirm the high-voltage and low-voltage winding ratings required, the apparent power rating of the generating unit, and the site conditions such as altitude and ambient temperature.
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