{"id":3311,"date":"2025-12-02T03:52:11","date_gmt":"2025-12-02T03:52:11","guid":{"rendered":"https:\/\/energypowertransformer.com\/?post_type=product&p=3311"},"modified":"2025-12-10T09:35:14","modified_gmt":"2025-12-10T09:35:14","slug":"solar-pv-step-up-power-transformer-6-220-kv-oil-immersed-onan-onaf","status":"publish","type":"product","link":"https:\/\/energypowertransformer.com\/zh\/manufacturer\/solar-pv-step-up-power-transformer-6-220-kv-oil-immersed-onan-onaf\/","title":{"rendered":"\u592a\u967d\u80fd\u5149\u96fb\u5347\u7d1a\u96fb\u529b\u8b8a\u58d3\u5668 (6-220 kV\u3001\u6cb9\u6d78\u5f0f\u3001ONAN\/ONAF)"},"content":{"rendered":"

Comprehensive Product Overview for Utility-Scale Solar Farms<\/strong><\/h2>\n

Manufactured by Energy Transformer \u2013 Professional PV Power Transformer Factory & OEM Supplier<\/strong><\/p>\n

\n

1. Introduction: Why Solar Farms Need Step-Up Transformers<\/strong><\/h2>\n

As global energy systems transition toward renewable power, utility-scale solar photovoltaic (PV) farms are expanding at an unprecedented rate. However, even the most advanced PV modules and smart inverters cannot connect directly to the medium- or high-voltage power grid. To safely, efficiently, and reliably feed solar-generated electricity into the transmission network, the system requires a Solar PV Step-Up Power Transformer.<\/p>\n

These transformers are positioned between the solar inverter output and the grid interconnection point, boosting the voltage from typical 0.27\/0.315\/0.4\/0.6\/0.69 kV to 6 kV \u2013 35 kV \u2013 110 kV \u2013 220 kV, depending on the grid requirements. The grid cannot operate without this essential component, making PV step-up transformers a core asset of every solar power plant.<\/p>\n

Energy Transformer, a leading transformer manufacturer<\/a> in China, specializes in producing high-performance oil-immersed step-up transformers<\/a> designed for utility-scale PV farms, grid-scale solar stations, and renewable energy substations. With decades of engineering experience, we provide custom, wholesale, and OEM PV transformers built to international standards including IEC, IEEE\/ANSI, EN, and GB\/T.<\/p>\n

\n

2. Product Definitions and Positioning<\/strong><\/h2>\n

A Solar PV Step-Up Power Transformer is a type of oil-immersed, ONAN\/ONAF-cooled, distribution or power transformer designed specifically to handle:<\/p>\n