
Solar PV Application Transformers
Purpose-built for photovoltaic power plants with optimized performance under inverter duty cycles. Low harmonic distortion, high efficiency at partial loads, and designed to withstand the thermal cycling demands of solar generation.
Engineering Features
Inverter-Optimized
Designed for non-sinusoidal waveforms from solar inverters.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | 500 kVA – 5 MVA |
| Primary Voltage | 11 – 36 kV |
| Secondary Voltage | 270 – 690 V |
| Frequency | 50 / 60 Hz |
| K-Factor | K13 – K20 |
| THD Withstand | Up to 25% current THD |
| Efficiency | ≥ 99.3% at rated |
| Ambient Temp | -10°C to +55°C |
| Altitude | Up to 4000m (derated) |
| Lifetime | 30+ years design life |
Standard range parameters — custom specifications available on request.
Related glossary terms
IEEE C57.12
ANSI/IEEE distribution transformer standard
ANSI C57.12.00
General requirements liquid-immersed
DOE 2016
US Department of Energy efficiency rule
NEMA TR1
Sound level & loss tolerances
UL Listed
Underwriters Laboratories safety mark
IEEE C57.110
Harmonic-loaded transformer rating
Solar PV and wind-farm step-up transformers for the US utility-scale renewable market. 200 kVA to 15 MVA, IEEE C57.159 designed for cyclic-loading, low-harmonic and bidirectional service. UL listed, DOE 2016 efficient and qualified for ERCOT, MISO, PJM, CAISO and SPP grid interconnection. Used at gigawatt-scale solar in Texas, Arizona and California, plus the Midwest's wind corridor.
ERCOT Utility-Scale PV · West Texas
CAISO Solar + BESS · California Mojave & Imperial
PJM & MISO Wind-Farm Step-Up · Midwest
Investor-Owned Utility PV PPA Projects
Community Solar · East-Coast Distribution Co-ops
Hybrid Renewable Hubs · Solar + Wind + BESS
Where Solar PV Application Transformers Excel.
ERCOT & California Utility-Scale Solar
IEEE C57.159 solar transformers for utility-scale PV plants in Texas, California, Arizona and the US Southwest.
US Solar + Storage Hybrids
Converter-duty transformers for co-located solar and BESS projects under ITC and ERCOT/CAISO interconnection rules.
US Community Solar
K-factor rated transformers for US community solar projects across NY, MA, CO, IL and Mid-Atlantic markets.
Corporate PPA Solar Farms
Solar PV transformers for corporate PPA off-take projects supporting US tech and industrial decarbonisation.
Frequently Asked Questions
Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.

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