Sungrow Power Supply had 24 patents in advanced materials during Q4 2023. Sungrow Power Supply Co Ltd filed patents for a HiL testing platform for photovoltaic power stations and a control method for a photovoltaic grid-connected system. The HiL testing platform includes a PPC, inverter controller, and HiL real-time simulator, while the grid-connected system utilizes a synchronous motor back-to-back drive system to improve stability and safety of the power grid. These innovations aim to enhance performance and efficiency of photovoltaic systems without requiring modifications to traditional inverters. GlobalData’s report on Sungrow Power Supply gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Sungrow Power Supply grant share with advanced materials as a theme is 20% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Hil testing platform for photovoltaic power station, and ppc performance testing method (Patent ID: US20230336122A1)
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The patent filed by Sungrow Power Supply Co Ltd describes a Hardware-in-the-Loop (HiL) testing platform for a photovoltaic power station, consisting of a power station controller (PPC), an inverter controller, and a HiL real-time simulator. Each component is connected to an upper computer, with the PPC communicating with the inverter controller based on a predetermined protocol, and the HiL real-time simulator simulating testing devices in the power station in digital form.
The HiL testing platform simulates various components of a photovoltaic power station, including a PV source, inverter, transformer, transmission line, and power grid. The platform ensures synchronization between the HiL real-time simulator, PPC, and inverter controller, with the communication protocol being one of IEC104, GOOSE, or Modbus/TCP. Additionally, a method for testing the performance of the PPC is outlined, involving determining target performance, operating the testing platform accordingly, and analyzing data to obtain performance results related to active/reactive power scheduling, voltage ride through, and frequency response.
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