SMA Solar Technology has patented a method for switching off power semiconductor switches in a bridge circuit, ensuring all switches are in a switched-off state. The method involves specific switch configurations to optimize the process. This innovation aims to enhance the efficiency and performance of inverters in solar power systems. GlobalData’s report on SMA Solar Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on SMA Solar Technology, Smart energy mgmt systems was a key innovation area identified from patents. SMA Solar Technology's grant share as of February 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Switching off power semiconductor switches in a bridge circuit
A recently granted patent (Publication Number: US11901805B2) discloses a method for switching off power semiconductor switches in a bridge circuit. The method involves establishing a final switch configuration where all power semiconductor switches are in a switched-off state. During the switch-off process, a specific sequence is followed, including concurrent switching on of certain switches while others are switched off. The method aims to efficiently control the power semiconductor switches to ensure a smooth transition to a switched-off state.
Furthermore, the patent also describes a bridge circuit and an inverter incorporating the method for switching off power semiconductor switches. The bridge circuit includes six power semiconductor switches arranged in a specific configuration to facilitate the switch-off process. A control circuit is integrated into the bridge circuit to manage the switching states of the power semiconductor switches effectively. The design ensures that the switches are controlled in a coordinated manner to achieve the desired final switch configuration where all switches are in a switched-off state. This innovation in power semiconductor switch control can potentially enhance the efficiency and reliability of bridge circuits and inverters in various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
