Sagemcom has patented a method for monitoring polyphase networks using voltage sensors and reference tables to identify connection configurations. The process involves acquiring voltage measurements, producing current values, and implementing an exploratory algorithm to determine the current connection configuration. GlobalData’s report on Sagemcom 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 Sagemcom, was a key innovation area identified from patents. Sagemcom's grant share as of February 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Method for monitoring polyphase electricity network
A recently granted patent (Publication Number: US11921147B2) discloses a method for monitoring a polyphase electricity network using a processing unit within electrical equipment connected to the network. The method involves acquiring voltage measurements, producing current values of electrical parameters, accessing a reference table with connection configurations, and implementing an exploratory algorithm to identify the current connection configuration based on the electrical parameters. The algorithm tests connection configurations against predetermined criteria associated with the parameters, such as line-to-neutral and line-to-line voltages, and angles between phases and neutral. The method aims to efficiently monitor and analyze the network's configuration for optimal performance and safety.
Furthermore, the patent includes details on different connection configurations, including inversions of the neutral and phases, disconnections, and potential differences between phases. The exploratory algorithm utilizes measured voltages and angles to detect abnormal line-to-line voltages, with specific criteria for determining abnormality. The method also involves comparing resulting voltages obtained from different combinations of measured voltages to identify the correct connection configuration. The patent not only covers the monitoring method but also extends to the implementation in electrical equipment like meters and computer-readable storage mediums containing the necessary program instructions for performing the monitoring steps. Overall, the patent provides a comprehensive approach to monitoring polyphase electricity networks efficiently and accurately, ensuring optimal functioning and safety in electrical systems.
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