Berry Global Group has patented a method and monitoring device for determining partial insulation resistance and system leakage capacitance in a power supply system. The method involves calculating partial insulation resistance based on known parameters and measuring voltage, providing a comprehensive solution for monitoring power systems. GlobalData’s report on Berry Global Group 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 Berry Global Group, Extrusion-based additive manufacturing was a key innovation area identified from patents. Berry Global Group's grant share as of March 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Method for determining partial insulation resistance in power supply system
A recently granted patent (Publication Number: US11959975B2) discloses a method for selectively determining partial insulation resistance Rx and partial system leakage capacitance Cx of an outgoing line in a branched ungrounded power supply system. The method involves actively superposing a square pulse measuring voltage or a measuring alternating voltage on the power supply system and utilizing stationary and non-stationary conductor-to-ground voltages, partial currents, and known inner resistances to calculate the insulation parameters. By following specific steps outlined in the patent claims, the method enables accurate determination of insulation resistance and leakage capacitance in complex power supply systems.
Furthermore, the patent also introduces a monitoring device designed for selectively determining partial insulation resistance Rx and partial system leakage capacitance Cx in the power supply system. This device includes components such as an AC/DC measuring current transformer, a voltage measuring device, and an evaluation unit connected to the insulation monitoring device. By utilizing these components and following the prescribed methodology, the monitoring device can effectively calculate and monitor the insulation parameters of outgoing lines in branched ungrounded power supply systems. Additionally, the device can be integrated with insulation fault location devices, further enhancing its functionality and utility in identifying and addressing insulation issues in power supply systems.
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